皮皮学，免费搜题
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搜题
【判断题】
零件的表面粗糙度值越小越耐磨。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
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)