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【单选题】
一元流动是A.
均匀流；
B.
速度分布按直线变化；
C.
运动参数是一个空间坐标和时间变量的函数。
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举一反三
【单选题】Who is famous for his historical novel of Rob Roy?
A.
Scott
B.
Richard Sheridan
C.
Ben Johnson
D.
Bernard Shaw
【单选题】Ben: Look at this poster. Two of the women who were on the polar expedition to Antarctica are giving a talk in the Town Hall next month! Gina: Oh, I'd really like to hear more about that. ______. Ben:...
A.
Would you like to go with me? No, you needn't.
B.
What date are they coming? Yes, good idea V
C.
I'm so fascinated with Antarctica! Yes, go ahead.
D.
Does it give any details? No, thanks, I can do that myself.
【简答题】某项目经理部负责施工的移动通信基站安装工程包括39个基站的安装及调测工作，工期要求60天，工程保修期1年。项目经理部计划工程后期整理竣工资料。项目经理部在完成了5个基站以后，建设单位提出此工程项目完成一个基站、验收一个基站、投产一个基站。由于此工程的设计比较到位，工程中未发生工程变更；由于项目经理部的认真管理，工程中未发生质量、安全事故；由于监理单位的现场监理人员数量有限，部分工程文件的签认不及时...
【单选题】—Who ________ for the match? —Sam and Ben.
A.
chose
B.
choose
C.
was chosen
D.
chosen
【单选题】— Who are Ben and Tim _____? — A policeman. [ ]
A.
talk to
B.
talking
C.
talk
D.
talking to
【单选题】— What an interesting book! Who wrote it? — It by Ben, my pen pal. [ ]
A.
wrote
B.
was written
C.
was writing
D.
is written
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