8. His life is in such a mess as leads to _____ in an unpleasant cycle.
A. him caught B. his being caught
C. him to be caught D. his catching
7. Would it be ____for you to pick me up at four o’clock and take me to the airport?
A. free B. vacant C. handy D. convenient
6. The teacher together with the students_______ discussing Reading Skills that____ newly published in America.
A. are; were B. is; were C. are; was D. is; was
5. I know the journey won’t cost much, but I will take some more just _____.
A. in turn B. in reward C. in case D. in exchange
4.---Some English idioms are difficult to understand.
---Exactly, _________ you know the meaning of each word.
A.if only B.even though C.as if D.now that
3. A powerful earthquake, _____ a magnitude of 6.3, struck the Indonesian island of Sumatra today, and at least 70 people.
A. measured; killing B. to measure; killed
C. measuring; killed D. measuring; having killed
2. Scientists are increasingly _____ that the earth is getting hotter because of carbon dioxide and other gases.
A. convinced B. confident C. concerned D. conscious
第一节:单项填空(共20小题 ;每小题0.5分,满分10分)
从A、B、C、D四个选项中, 选出可以填入空白处的最佳选项, 并在答题卷上将该项涂黑。
1.---Thank you for_____ fresh vegetables you gave me ! So delicious !
--- ____ pleasure.
A. 不填;不填 B. the; 不填 C.the ; a D.不填; a
22.(本题满分15分)
已知定义在上的函数,其中为常数。
(1)若是函数的一个极值点,求的值;
(2)若函数在区间上是增函数,求实数的取值范围;
(3)若,在处取得最大值,求实数的取值范围。
2010届寿昌中学、新安江中学、严州中学(梅)
21.(本题满分15分)
公差大于零的等差数列的前项和为,且满足。
(1)求数列的通项公式;
(2)若,且数列是等差数列,求非零常数的值;
(3)在(2)的条件下,求的最大值。
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