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2 .
A 9 B 6 C 8 D 18
3 .函数 是（ ）。
A 偶函数 B 奇函数 C 非奇非偶函数 D 既是奇函数又是偶函数
4 .函数f（x）=（x2-x-2）|x3-x|不可导点的个数是（ ）.
A 1 B 2 C 3 D 0
5 .曲线y=ex-e-x在区间[1，ln6] （ ）
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7 .The word “ruts” (in Line1, Paragraph 4) has closest meaning to _____.
A tracks B series C characteristics D connections
8 .It can be learned from the first paragraph that _________.
A Teamsters still have a large body of members B Jimmy Hoffa used to work as a civil servant C unions have enlarged their public-sector membership D the government has improved its relationship with unionists
9 .Which of the following is true of Paragraph 2?
A Public-sector unions are prudent in taking actions. B Education is required for public-sector union membership. C Labor Party has long been fighting against public-sector unions. D Public-sector unions seldom get in trouble for their actions.
10 .It can be learned from Paragraph 4 that the income in the state sector is __________.
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