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【简答题】
一测站的A、B两点高差h AB 为负值时，表示______高，______低。
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反馈参考答案：
举一反三
【单选题】With the help of our teacher we can speak English ___ more fluently than ever before.
A.
quite
B.
much
C.
so
D.
very
【简答题】根据外加能量来源的不同,气体电离可以分为以下几种: 、 和 光电离。
【简答题】With the help of our teachers, we have made (few) _______ grammatical mistakes this term than before.
【简答题】With the help of our guide, we finally to the top of the mountain.
【简答题】With the help of our guide, we finally__________to the top of the mountain.
【简答题】With
the help of our guide, we finally
to the top of the mountain. (make it)
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