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【简答题】
如图所示,在杆件的斜截面m—m上,任意一点A处的应力为p,其方位角为θ,则该点处的正应力σ=_____,切应力τ=_____。
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【简答题】Why should people choose the Mac Book computer? It can _____________________ one needs for school or fun. It has everything on it; one can _______________________ . Besides, the webcamer is very _____...
【单选题】Which of the following is Browns finding?
A.
People should choose a sleep pattern and work according to the pattern.
B.
Regular changes between day shifts and the night ones do good to workers.
C.
Permanent night workers suffer no disturbed sleep or other disorders.
D.
Workers act abnormally when they work on night shift every day.
【单选题】The passage is mainly about
A.
how people should choose their jobs.
B.
how to survive workplace politics.
C.
what people's dream jobs are like.
D.
what to do to have a dream job.
【单选题】The passage is mainly about
A.
how people should choose their jobs．
B.
how to survive workplace politics．
C.
what people“dream jobs are like．
D.
what to do to have a dream job．
【简答题】PART VI WRITING [45 MIN] The popularization of computer and Internet service has created a group of people called “indoorsy men”or“indoorsy women”. They prefer to spend most of their time at home ra...
【简答题】120紧急阀紧急制动气路b:()→()→()→()→()→()→()→()→()→()→()
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