正确答案: B
空气里氮气,氧气等分子均匀地混合在一起
题目:下述说法中正确的是( )
解析:B
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举一反三的答案和解析:
[单选题]下面句中加点的“而”字与“公虽位高禄厚,而贫终其身”中“而”字用法相同的一项是:( )(3分)
环而攻之而不胜。(《得道多助,失道寡助》)
[单选题]4. Be quiet! I have________ to tell you.
something new
解析:4.A【解析】本句为肯定句用something,排除B、D 项。当something、anything、nothing等不定代词有形容词修饰时,形容词要后置,排除C。故答案为A。
[单选题]Would you like to go and see the film with me tonight?--- Thank you, but I ______ it already.
have seen