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【单选题】
引起溢流阀噪声大的原因可能是( )。
A.
系统内存在空气
B.
主阀芯阻尼堵塞
C.
先导阀阀座破碎
D.
运程控制口同油箱
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参考答案:
举一反三
【判断题】按照世界旅游组织的界定,旅行者包括游客和非游客,游客又包括旅游者和一日游游客。
A.
正确
B.
错误
【单选题】_____ invited to the funeral ,the couple were truly worried .
A.
Not to be
B.
Not having been
C.
Having not been
D.
Not having invited
【单选题】Your friends were all worried about _______ you were sick.
A.
that
B.
which
C.
what
D.
the fact that
【单选题】The European Union countries were once worried that they would not have ______ supplies of petroleum.
A.
proficient
B.
efficient
C.
potential
D.
sufficient
【多选题】The following are some tips for the writing of scientific paper, please choose the correct descriptions:
A.
One cannot develop a logical argument using emotional words: e.g. progressive, reckless, crank, sound, good, correct, improved, superior.
B.
Superlatives are out of place in scientific writing. Superlatives such as gigantic, earth shattering or fantastic should never be used.
C.
Avoid the use of scientific jargon. The aim in scientific writing is to inform using simple language not to confuse by the use of grandiose sounding words and phrases
D.
Avoid verbal obscurantisms and use simple words
【多选题】Some of the following greetings are for formal occasions and some are for informal ones. Please choose the greetings for formal occasions.
A.
Good morning, Alice. It is a pleasure to meet you.
B.
Hi, how is your life?
C.
Hi, what is up?
D.
John, please allow me to introduce Simon.
【多选题】Please choose some common roles that teachers play in most of approaches.
A.
Controller
B.
Assessor
C.
Organiser
D.
Prompter
E.
Participant
F.
Resource-provider
【多选题】Please choose some famous examples of Chinese literature and art?
A.
A Dream of Red Mansion
B.
Journey to the West
C.
the Water Margin
D.
Romance of Three Kingdom.
【单选题】The European Union countries were once worried that they would not have ______ supplies of petroleum.
A.
sufficient
B.
proficient
C.
efficient
D.
potential
【简答题】The European Union countries were once worried that they would not have ________ supplies of petroleum. A) proficient B) efficient C) potential D) sufficient
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