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【简答题】
对于自动控制系统的性能要求可以概括为三个方面,即: 、 和 ,其中最基本的要求是 。
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举一反三
【简答题】Read and listen to a dialogue or a passage twice and choose the best answer.The guest has finished his lunch and has some questions about the bill. The waitress will explain the bill and help to pay i...
【单选题】----Where is Mr Brown? I have some questions to ask him. ----He ______the office.
A.
has been to
B.
has been in
C.
has gone to
D.
has gone in
【单选题】Recently a debate about ___ is real beauty has been raised．People are pushed to think some questions like ___ is better, artificial beauty or natural one．
A.
what．．．which
B.
who．．．which
C.
whatever．．．whoever
D.
where．．．which
【单选题】Why does Anna go to see her classmate?
A.
She has some questions to ask him.
B.
She intends to arrange a debate for the class.
C.
She intends to discuss with him on marketing.
D.
She intends to inform. him of the class arrangement.
【单选题】Read and listen to a dialogue or a passage twice and choose the best answer. The guest has finished his lunch and has some questions about the bill. The waitress will explain the bill and help to pay ...
A.
10%
B.
0.15
C.
12%
D.
20%.
【单选题】Li Huilan has some questions about .
A.
her travel
B.
the flight
C.
the time
D.
the travel service
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