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【单选题】
电动吊篮的离心触发式安全锁锁绳速度不大于()m/min。A.
30
B.
25
C.
20
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举一反三
【单选题】She didn't achieve her ______ of becoming a famous writer. [ ]
A.
characteristic
B.
ambition
C.
profession
D.
stage
【单选题】—What can I do famous? —You must study hard. [ ]
A.
become
B.
to become
C.
became
D.
becoming
【单选题】Tom is into sports.When young ,he had a _____about becoming a famous football player.
A.
expectation
B.
interst
C.
try
D.
fantasy
【简答题】tRNA的二级结构成( )型,其中反密码环的中间由三个碱基组成的部分成为( )
【单选题】I am sure that my dream of becoming a famous player will ______. [ ]
A.
come true
B.
come out
C.
come up
D.
come along v
【单选题】He is on his way to becoming a world-famous pianist. But can you imagine him ____ so many kinds of hardships?
A.
goes through
B.
go through
C.
going through
D.
went through
【简答题】在建筑室内消火栓消防系统，低层与高层建筑的高度分界线为24m；高层与超高层建筑高度分界线为（）m。
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