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【单选题】
在两个密闭容器中，分别充有质量相同的甲、气体，若两容器的温度和压强均相同，且甲的密度大于乙的密度．则下列说法正确的是（ ）A.
甲的物质的量比乙的物质的量少
B.
甲的分子数比乙的分子数多
C.
甲的体积比乙的体积大
D.
甲的相对分子质量比乙相对分子质量小
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皮皮学刷刷变学霸
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【简答题】填土压实的方法有哪几种？
【单选题】Experts at the conference organized by the Middle East Institute in Washington believe that ________.
A.
the growing need for water will naturally result in conflict
B.
the growing need for water will not influence the agricultural output of the region
C.
the growing need for water in the region is also a potential source of cooperation
D.
declining access to water is the result of imbalances in water access
【判断题】The author keep the secret about Michael’s blindness until the last sentence. It is a climax ( 高潮 ) of the passage.
A.
正确
B.
错误
【单选题】Why do a lot of people in the United States call for censorship?
A.
Because they believe that they arch’t protected by the First Amendment.
B.
Because they believe it is illegal to burn the U. S. flag.
C.
Because they believe some people are taking advantage of the First Amendment.
D.
Because they believe that artists should do a better job.
【单选题】下列关于药典叙述不正确的是
A.
药典由国家药典委员会编写
B.
药典由政府颁布施行，具有法律约束力
C.
药典是一个国家记载药品规格和标准的法典
D.
药典中收载已经上市销售的全部药物和制剂
E.
一个国家药典在一定程度上反映这个国家药品生产、医疗和科技水平
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