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【判断题】
氧气瓶不应设有防震圈和安全帽。( )A.
正确
B.
错误
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举一反三
【单选题】___________you try to do something beyond what you have already mastered, you will never grow.
A.
Since
B.
When
C.
Though
D.
Unless
【简答题】Passage Since the green industry grows rapidly, it has been attracting increasing job applicants, even those who have never worked in it. But how do you___ (1)___ compete with the few that have been i...
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