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【单选题】
一般适用于低速,轴的刚度较大、无剧烈冲击的场合的是( )。A.
凸缘联轴器
B.
滑块联轴器
C.
万向联轴器
D.
弹性柱销联轴器
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举一反三
【单选题】The president has told his friends that he is sick but will not admit it _____.
A.
in private
B.
in secret
C.
in public
D.
in detail
【单选题】President Obama told television viewers that he saw ______ as his duty to run for a second term.
A.
one
B.
that
C.
this
D.
it
【简答题】从基本单位换算入手,将下列物理量的单位换算为 SI 单位。 ( 1 )水的黏度 μ =0.00856 g/(cm·s) ( 2 )密度 ρ =138.6 kgf ·s 2 /m 4
【简答题】Question 3 Wong, the president of a corporation told Zheng that 'if you work hard, and profit remains high, you'll get a bonus, if management thinks it's warranted.' Profit remains high, but no bonus ...
【单选题】In 18-minute address to students across America on September 8, 2009, President Obama told American students to make most of their education．
A.
an; the
B.
an; a
C.
the; the
D.
the; a
【单选题】听力原文：M: Chinese President Hu Jintao told global business leaders Thursday there is nothing to fear about his country's emergence as an economic superpower. Mr. Hu spoke to the APEC Chief Executive Off...
A.
800.
B.
50.
C.
7.
D.
21.
【单选题】The president _____ the new economic policy. [ ]
A.
announced
B.
told
C.
informed
D.
promised
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