7.已知函数的图象与x轴的负半轴至少有一个交点的充要条件是( )
A.0<a≤1 B.a<1 C.a≤1 D. .0<a≤1或a<0
6.若函数的图象的顶点在第四象限,则函数
的导函数
的图象不经过( )
A.第一象限 B.第二象限
C.第三象限
D.第四象限
5.定义在R上的函数,对任意的x∈R,都有
=
,且
,则
的值为(
)
A.6 B.-1 C.-6 D.1
4.
=( )
A. 1 B. 2 C. 1+ D.1+
3.函数=
的大致图象是( )
y
y
y
y
0 1 x 0 1
x
-1 0 1 x -1 0 1 x
A.
B. C.
D.
2.复数=( )
A.1-i B.1+i C.-1-i D.-1+i
1.若a,b,c是实数,则“a>b”是“ a>b
”的( )
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
第五节:短语搭配。(每空1分,共15分)
66. There are more and more people _______ _______ _______(支持;赞同) staying at home over short holidays.
67. Many people thought he would go abroad after ________ _________(毕业) from the university.
68. ______ ______(既然) you have your own decision, we have nothing to say.
69. Hard work ______ _____(导致) success and failure often lies in laziness.
70. Books ______ ______(占用) two thirds of the professor’s room.
71. _____ _____(理论上) the proposal sounds perfect while _____ ______(实际上) it may cause a lot of unexpected problems.
太 原 五 中
2010-2011年学年度第一学期月考 (9月)
65. Many young people, some of whom are college students, v________ to go to the flooded areas to help without asking for pay.
64. Eco-travel is a form of travel that c________ normal tourism with learning.
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