7. She remained silent, ( ) her heart was heavy and her spirit low.
A. so
B. though
C. for
D. therefore
解析：解析:so (所以)解析:though(尽管)解析:for (因为)解析:therefore (因此)
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13. The bookstore hasn＇t ordered ( ) textbooks for all the students in the course.
A. enough
B. plenty
C. as much as
D. a great deal of
解析：解析:enough 修饰名词,在名词之前解析:plenty+ofAs much as 不能修饰名词A great deal of 修饰不可数名词。
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4. Many parents allow their children ( ) own decisions.
A. making their
B. making the
C. to make their
D. to make the
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16l.社会主义初级阶段主要矛盾决定的中心任务是
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4
解析：试题解析:本题考查的知识点为交换二次积分次序.由所给二次积分可知积分区域D可以表示为1≤y≤2,y≤x≤2,交换积分次序后,D可以表示为1≤x≤2,1≤y≤x,故应选B.
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37. That＇s the biggest ( ) he has ever told in his life.
A. talk
B. speech
C. lesson
D. lie
解析：解析:talk:give/have a talk 谈话解析:speech:make/deliver a speech 做演讲解析:lesson:teach a lesson: 教训解析:learn one＇s lesson: 汲取教训解析:lie:tell a lie
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40对外开放是我国的一项长期的基本国策,实行这一国策的前提和基础是()
A. 独立自主,自力更生
B. 公平合理,互惠互利
C. 相互尊重,和平共处
D. 友好往来,增进了解
解析：解析:本题考查的是对外开放的前提和基础。独立自主、自力更生是对外开放的基础。
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203.社会主义民主政治的组织原则是
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11. I wrote a letter to my parents, ( ) them that I would spend the New Year＇s Day with them.
A. telling
B. told
C. to be told
D. be told
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351995年******发表题为《为促进祖国统一大业的完成而继续奋斗》的重要讲话,提出了推动祖国和平统一进程的()
A. 两套方案
B. 四项原则
C. 六点建议
D. 八项主张
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