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【多选题】
按钮按在不受外力作用时触头的分合状态划分，可分为 [填空(1)] 、 [填空(2)] 和 [填空(3)] 。A.
按钮
B.
常闭按钮
C.
复合按钮
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反馈参考答案：
举一反三
【单选题】She got married while she was still___.
A.
in her teens
B.
in her teen
C.
a teen
D.
the teen
【简答题】A．A snake. B．A rabbit. C．A bird. D．She was still hesitating.
【单选题】Helen’s parents were______that she was still on the job, but she had resigned.
A.
in doubt
B.
of the opinion
C.
under the impression
D.
with suspicion
【单选题】关节的基本构造包括
A.
关节囊、关节腔、关节韧带、籽骨
B.
关节囊、关节腔、关节软骨、籽骨
C.
关节囊、关节面、关节腔、关节软骨
D.
关节囊、关节腔、关节盘、籽骨
【单选题】While she was _________ losing her life, she was still concerned about her fellow sufferers.
A.
endanger
B.
in danger of
C.
dangerous
【简答题】She was still asleep, with her head ______ (bury) deep into her arms.
【单选题】The doctor was very tired ______ she was still working very hard. [ ]
A.
but
B.
and
C.
or
D.
so
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