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【简答题】
活塞顶离曲轴旋转中心最远的位置称为 ( ) 止点, 活塞顶离曲轴旋转中心最 ( ) 的位置称为下止点
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举一反三
【单选题】---Do you like chatting online? ---_______________.
A.
Yes, it is very popular nowadays.
B.
Go on please.
C.
You are really smart.
D.
I'll tell him as soon as possible.
【单选题】When you come across some abbreviations or slang while chatting online, you can ______.
A.
guess the meaning.
B.
attack others
C.
stop chatting
【单选题】–You can’t imagine _______ great fun chatting online is. – Really? But it may cause you a lot of trouble.
A.
what
B.
how
C.
why
D.
whether
【简答题】计算． 858÷39 125÷24 918÷27 503÷21 448÷89 184÷46．
【简答题】请根据句子前后内容选择合适的形式To know merely the main facts______ not enough.A. is B. are C. is or are
【简答题】( ) 17. — What do you think of chatting online? — ________.A. Good idea. B. Awaste of time. C. BecauseI like chatting online D. Whynot have a try
【简答题】3x-17=46. Solve for x.
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