0  296837  296845  296851  296855  296861  296863  296867  296873  296875  296881  296887  296891  296893  296897  296903  296905  296911  296915  296917  296921  296923  296927  296929  296931  296932  296933  296935  296936  296937  296939  296941  296945  296947  296951  296953  296957  296963  296965  296971  296975  296977  296981  296987  296993  296995  297001  297005  297007  297013  297017  297023  297031  447090 

7. 已知sin 2α = ,则 sinα + cosα的值为(   )

A. -    B.     C .-    D .

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6.函数的单调递增区间是 (   )

A.    B.(0,3)   C.(1,4)    D.  

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5. 已知函数y=sin(x+)(>0, -<)的图像如图所示,则  =(    )

A.    B.    C.     D.

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4. 已知等差数列的值为   (   )

A.30      B.12     C.36       D.64

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3.下列四组函数中,表示同一函数的是(   )

A        B.

C.         D.

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2.  等于

A.i     B.-i     C.-1       D.1

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1. 满足,且的集合的个数(  )

A.1   B.2   C.3       D.4

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15. He kept sending her presents in an attempt to win her _______.

 A. respect       B. favor       C. admiration   D. pleasure

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14. I shouldn’t have accepted the man’s present, but I found it difficult to turn down his ______.

 A. offer        B. request      C. suggestion   D. plan

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13. -Who did you stay with yesterday? I couldn’t find you anywhere.

 - ___________.

 A. Mr. Green’s     B.The Greens    C. Greens     D. The Mr. Green’s

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