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    單項選擇題

    1單項選擇題( 每題1

     (1) 函數(shù) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1238.gif的周期是[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1213.gif

         B.2 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1213.gif

         C.3 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1213.gif

         D.4 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1213.gif

         答案: B

     (2) 設(shè)分段函數(shù)為 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1121.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1129.gif[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image770.gif

         B.2

         C.5

         D.7

         答案: A

     (3) 函數(shù) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1273.gif,在[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image915.gif上單調(diào)遞減;

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image919.gif上單調(diào)遞增, http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image917.gif上單調(diào)遞減;

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image919.gif上單調(diào)遞減, http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image917.gif上單調(diào)遞增;

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image915.gif上單調(diào)遞增

         答案: D

     (4) 設(shè) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image913.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image876.gif的定義域是[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image915.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image917.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image919.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image921.gif

         答案: A

     (5) 下列函數(shù)在其定義域上為單調(diào)遞減函數(shù)的是[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1240.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1254.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1256.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1246.gif

         答案: B

     (6) 設(shè) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image999.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1019.gif=[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1003.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1005.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1021.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1023.gif

         答案: C

     (7) 函數(shù) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1234.gif的周期是[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1213.gif

         B.2 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1213.gif

         C.3 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1213.gif

         D.4 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1213.gif

         答案: B

     (8) 已知 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1103.gif http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1105.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1107.gif[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1109.gif

         B.16

         C.4

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1111.gif

         答案: B

     (9) 設(shè) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image954.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image876.gif的定義域是[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image915.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image917.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image919.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image921.gif

         答案: B

     (10) 下列函數(shù)中,既不是奇函數(shù),也不是偶函數(shù)的是[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1171.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1173.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1175.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1177.gif

         答案: C

     (11) 設(shè) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image999.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1017.gif=[]

        A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1003.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1005.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1007.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1009.gif

         答案: B

     (12) 下列函數(shù)在定義域上有界的是[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1302.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1304.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1306.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1308.gif

         答案: B

     (13) 下列函數(shù)在定義域上有界的是[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1310.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1312.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1314.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1316.gif

         答案: B

     (14) 已知 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1103.gif http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1105.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1113.gif[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1109.gif

         B.1

         C.4

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1111.gif

         答案: B

     (15) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1438.gif的反函數(shù)為[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1436.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1438.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1447.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1442.gif

         答案: C

     (16) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1167.gif[]

         A.奇函數(shù)

         B.偶函數(shù)

         C.非奇非偶函數(shù)

         D.奇偶性不能定

         答案: B

     (17) 已知 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1103.gif http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1105.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1119.gif[]

         A.12

         B.2

         C.4

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1111.gif

         答案:

     (18) 函數(shù) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1281.gif,在[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image917.gif上單調(diào)遞減;

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image919.gif上單調(diào)遞增, http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image917.gif上單調(diào)遞減;

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image919.gif上單調(diào)遞減, http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image917.gif上單調(diào)遞增;

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image917.gif上單調(diào)遞增

         答案: A

     (19) 設(shè)分段函數(shù)為 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1141.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1123.gif[]

         A.1

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1146.gif

         C.5

         D.7

         答案: B

     (20) 設(shè) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image933.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image876.gif的定義域是[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image915.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image935.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image937.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image939.gif

         答案: D

     (21) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2067.gif個男生和 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image3228.gif個女生的小組中選出3名代表,選出的恰好是2名男生和 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image3239.gif名女生的的概率是[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image3251.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image3253.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image3245.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image3247.gif

         答案: B

     (22) 不等式 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image376.gif的解集為[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image364.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image366.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image368.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image370.gif

         答案: D

     (23) 等比數(shù)列 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1457.gif中,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1885.gif[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1841.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1843.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1845.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1869.gif

         答案: D

     (24) 若拋物線方程為 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2996.gif,則拋物線的準(zhǔn)線方程為[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image357.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image3007.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image3009.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image3011.gif

         答案: A

     (25) 書架上層有6本不同的數(shù)學(xué)書,下層有4本不同的語文書,從中取2本語文書,則有[]種取法。

         A.20

         B.15

         C.4

         D.6

         答案: D

     (26) 直線 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2324.gif和直線 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2322.gif的位置關(guān)系為[]

         A.平行

         B.垂直

         C.相交但不垂直

         D.不確定

         答案: C

     (27) 等比數(shù)列 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1943.gif的公比為2 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1945.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1957.gif=[]

         A.4

         B.8

         C.16

         D.32

         答案: A

     (28) 書架上層有6本不同的數(shù)學(xué)書,下層有4本不同的語文書,從中取4本書,則有[]種取法。

         A.210

         B.120

         C.45

         D.10

         答案: A

     (29) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1365.gif是偶函數(shù),則[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1367.gif上是增函數(shù)

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1367.gif上是減函數(shù)

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1369.gif上是增函數(shù)

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1371.gif上是增函數(shù)

         答案: D

     (30) 5個學(xué)生排成一排,其中甲不站在兩頭的排法有[]種。

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image3146.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image3148.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image3150.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image3152.gif

         答案: B

     (31) 設(shè)集合 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image081.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image047.gif[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image075.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image077.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image079.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image055.gif

         答案: A

     (32) 不等式 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image487.gif的解集為一切實數(shù),則實數(shù) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image344.gif的取值范圍是[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image489.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image491.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image493.gif

        D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image495.gif

         答案: B

     (33) 設(shè) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2182.gif, http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2124.gif[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2126.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2128.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2130.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2132.gif

         答案: D

     (34) 等差數(shù)列 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1457.gif中,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1664.gif[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1654.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1656.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1658.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1660.gif

         答案: D

     (35) 數(shù)列 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1457.gif中,如果 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1607.gif,且 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1609.gif http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1615.gif是前 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1508.gif項之和, http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1618.gif[]

         A.6

         B.12

         C.20

         D.30

         答案: A

     (36) 6個乒乓球,其中有3個壞球,現(xiàn)從中任意取出2個球,則取出2個球都是壞球的取法有[]種。

         A.3

         B.15

         C.34

         D.26

         答案: A

     (37) 已知雙曲線的兩個焦點是 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2936.gif http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2938.gif并且點 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2940.gif在該雙曲線上,則雙曲線的離心率為[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2932.gif

        B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2934.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2687.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2914.gif

         答案: A

     (38) 已知雙曲線的兩個焦點是 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2916.gif http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2918.gif并且點 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2924.gif在該雙曲線上,那么這個雙曲線的標(biāo)準(zhǔn)方程是[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2724.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2726.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2926.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2922.gif

         答案: C

     (39) 函數(shù) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2012.gif的最小正周期是[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2005.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1213.gif

         C.2 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1213.gif

         D.4 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1213.gif

         答案: B

     (40) 已知 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image650.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image640.gif[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image642.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image644.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image646.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image648.gif

         答案: A

     (41) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2067.gif個男生和 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image3228.gif個女生的小組中選出4名代表,選出的恰好都是男生的選法有[]

         A.10

         B.20

         C.5

         D.30

         答案: C

     (42) 如果 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2116.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2104.gif=[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2106.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2108.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2110.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2112.gif

         答案: C

     (43) 若數(shù)列 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1457.gif的前 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1508.gif項和 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1546.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image1599.gif[]

         A.22

         B.23

         C.26

         D.30

         答案: D

     (44) 函數(shù) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2010.gif的最小值是[]

         A.1

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image997.gif

         C.4

         D.5

         答案: B

     (45) 方程 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2556.gif的圖形是[]

         A.拋物線

         B.

         C.橢圓

         D.雙曲線

         答案: C

     (46) A http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2457.gifB http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2459.gif兩點直線的傾角為[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2411.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2413.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2415.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2417.gif

         答案: D

     (47) 7名男生和5名女生中選4人組成代表隊,其中男生1名女生3名,則有[]不同的選法

         A.3500

         B.245

         C.350

         D.70

         答案: D

     (48) 設(shè)集合 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image096.gif,則 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image110.gif[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image098.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image100.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image102.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image104.gif

         答案: D

     (49) 函數(shù) http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2044.gif的最大值是[]

         A. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2046.gif

         B. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2048.gif

         C. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2050.gif

         D. http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2052.gif

         答案: A

     (50) 直線 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2340.gif和直線 http://learn.xdwy.com.cn/OLAT/upload/choice/0000003/EnrollMathZhuanKe-choice.files/image2342.gif的位置關(guān)系為[]

         A.平行

         B.垂直

         C.相交但不垂直

         D.不確定

         答案: A

    posted on 2011-08-16 21:12 longlong 閱讀(60) 評論(0)  編輯  收藏

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