正确答案: C
间隔增大
题目:.压瘪的乒乓球放入热水中重新鼓起,是因为球内的气体分子
解析:C
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举一反三的答案和解析:
[单选题]Some rules are almost the same _______in the world, but rules of etiquette can be different from place to place.
everywhere
[单选题]—Your French is so good. How long have you been in France?—??____________I was five.
Since
[单选题]5. Let- s go to the movies tomorrow,________?
shall we
解析:5.c【解析】以let's开头的祈使句的附加问句用 shall we?故答案为C。
[单选题]2009年4月22 是第40个世界地球日,今年世界地球日的主题是“绿色世纪”。下列行为不符合这一主题的是
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[单选题]The woman behind the girls ______ a famous actress.
is
[单选题]17.
spent
[单选题]--HowcanI______wellwithmylessons,Dad?--Practicemakesperfect.
geton
[单选题]12.
leave
解析:12.A【解析】此空应填leave,此句说的是大部分学生中学毕业时的年龄,同上句In some states they must stay in school until they are sixteen.“在一些州,他们必须在学校待到16岁。”的意思相照应。