0  439052  439060  439066  439070  439076  439078  439082  439088  439090  439096  439102  439106  439108  439112  439118  439120  439126  439130  439132  439136  439138  439142  439144  439146  439147  439148  439150  439151  439152  439154  439156  439160  439162  439166  439168  439172  439178  439180  439186  439190  439192  439196  439202  439208  439210  439216  439220  439222  439228  439232  439238  439246  447090 

8.已知数列{log(a-1)}(n∈N*)为等差数列,且a=3,a=5,则

1,3,5
 
  +=)

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

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7.若奇函数f(x)(x∈R)满足f(2)=1,f(x+2)=f(x)+f(2),则f(1)等于

    A.0             B.1             C.-          D.

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6.三人传球,由甲开始发球,并作为第一次传球,经过5次传球后,球仍回到甲手中,则不同的传球方式共有

    A.6种           B.8种           C.10种          D.16种

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5.设处均有极值,则下列点中一定在x轴上的

    A.(a,b)         B.(a,c)         C.(b,c)         D.(a+b,c)

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4.设平面a∩平面β=l,点AB∈平面α,点C∈平面β,且ABC均不在直线l上,给出四个命题:

    ①               ②

    ③          ④

    其中正确的命题是

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

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3.已知sinα+cosα=,且tanα>1,则cosα的值为

    A.            B.            C.          D.

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2.设命题p:x<-1或x>1;命题qx<-2或x>1,则

    A.充分不必要条件  B.必要不充分条件  C.充要条件  D.既不充分也不必要条件

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1.已知集合M={-1,1,2},N={y|y=x2,x∈M},则M∩N是

    A.{1,2,4}      B.{1,4}        C.{1}           D.

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10. ① It was eleven o’clock _____ they went out of the cinema.

  ② It was at eleven o’clock  _____  they went out of the cinema.

    A. which     B. that    C. when    D. on which

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9. ① Is this museum _____ they visited last month?

  ② The teacher tells us that _____ cleans the blackboard is to be praised.

    A. that       B. the one    C. which   D. the one who

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