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【单选题】
已知集合A={x|x 2 -5x+6≤0},B={x||2x-1|>3},则集合A∩B=(  )
A.
{x|2≤x≤3}
B.
{x|2≤x<3}
C.
{x|2<x≤3}
D.
{x|-1<x<3}
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参考答案:
举一反三
【简答题】Unit 2 听力L 3: A tour of the offices (2) Directions: After lunch Marty and Janet continue the tour of the offices. Choose T (true) or F (false) before these sentences.
【单选题】测量高聚物的重均分子量可选择的测试方法是()。
A.
粘度法
B.
端基滴定法
C.
渗透压法
D.
光散射法
【简答题】主干网和本地接入网的区别是什么?
【简答题】计算机网络中的主干网和本地接入网的主要区别是什么?
【判断题】Directions: If the relative pronoun can be omitted, please choose T; if not, choose F. 判断以下10个句子中的关系代词是否可以省略。如果可省略,请选择“正确”;如果不可省略,请选择“错误”。 We talked about the party which Natalia wants to organize for...
A.
正确
B.
错误
【简答题】Directions : Read the following passage and choose the most suitable heading from this list for each paragraph of the passage. There is one extra heading. A. Don't get too close B. Know your boss C. D...
【单选题】下列哪一项不是行政主体一般是是程序主要构成部分( )
A.
申请
B.
受理
C.
审查
D.
起诉
【单选题】Directions:choose the best answer to each of the questions you hear on the recording.
A.
He thinks that there isn ’ t any significant difference in their social  roles.
B.
He thinks that men and women should perform their own roles, in the family.
C.
He thinks that men and women are now switching their social roles
D.
He thinks that women are now playing more and more important roles in society.
【单选题】Directions: Choose the best translation for each sentence from the four choices marked A, B, C, and D, then write your answer on the Answer Sheet. The sales promotions haven ’ t been very successful t...
A.
今年的促销并不成功 。
B.
今年的促销十分成功 。
C.
今年的促销十分不成功 。
D.
今年的促销并不十分成功 。
【单选题】MCS-51系列单片机内部的定时/计数器是 ( )计数器。
A.
加1
B.
减1
C.
乘1
D.
除1
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