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【简答题】
气动执行元件是以压缩空气为动力源,将气体的()转换为机械能的装置,用来驱动工作机构的运动。
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参考答案:
举一反三
【单选题】听力原文:When will the inspection team finally get their hands on our new equipment for testing? (A) I don't have even the slightest clue. (B) So, how did the results turn out? (C) The inspector is absent...
A.
B.
C.
【单选题】学生如同泥坯,他能否成型,依赖于教师的雕塑。这种说法忽视了学生的
A.
能动性
B.
向师性
C.
可塑性
D.
发展性
【简答题】Finally, I asked him when I would get a new computer.'When _______________________?' I asked finally.
【单选题】When I finally succeeded in making the letters correctly I was ________ with childish pleasure and pride.
A.
consuming
B.
overwhelming
C.
flushed
D.
overflowed
【简答题】would get a new computer I him I Finally, when asked_______________________.
【单选题】When a group of students get together to study, what might they finally get into?
A.
Having a party.
B.
Reading silently.
C.
Copying each other's notes.
D.
Chatting casually.
【简答题】I had trouble with my car on my way home yesterday, but I finally managed to get it ______ (start).
【单选题】—When did Gertrude finally get to the theatre? —Just before the end of ______ .
A.
the act second  
B.
act second        
C.
act two            
D.
the act two
【单选题】“学生如泥坯,他能否成型,依赖于教师的雕塑”,这种说法忽视了学生的
A.
能动性
B.
向师性
C.
可塑性
D.
发展性
【多选题】下列哪些树脂与 H+或OH‐的亲和力弱
A.
强酸型树脂
B.
强碱性树脂
C.
弱碱性树脂
D.
弱酸型树脂
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