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【单选题】
超压自动紧急切断装置是指安装于管道上游，置于过滤器及调压器之间位置的天然气供应保护装置，它必须在其出口压力高于指定参数的上限的情况下，能在（）内切断上游供气，以保证处于下游的装置与组件不遭损坏。
A.
指定时间
B.
任意时间
C.
任何时间
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举一反三
【单选题】中国现代文学的奠基人是（）
A.
鲁迅
B.
C.
巴金
D.
茅盾
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【多选题】经过表面处理，表面硬度较高的渗碳淬火、薄片类的零件可以采用哪几种硬度测量标尺？
A.
HBW
B.
HRC
C.
HRA
D.
HV
E.
HRB
F.
莫氏硬度
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【单选题】—Will you please _____ it to me on Friday? —What about Saturday? My computer doesn@^@^@t work well these days. [     ]
A.
 post
B.
give
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e-mail
D.
bring
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【判断题】Black Friday is the day after Thanksgiving.
A.
正确
B.
错误
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【多选题】经过表面处理，表面硬度较高的渗碳淬火、薄片类的零件可以采用哪几种硬度测量标尺？
A.
HRA
B.
HV
C.
HBW
D.
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E.
HRB
F.
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【单选题】It isn't quite ______ whether the teacher will collect the homework by Friday, so you needn't hurry. [     ]
A.
sure
B.
right
C.
certain
D.
exact
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【单选题】—I'm afraid I can't return the book to you before Friday. —________. [     ]
A.
Don't be afraid
B.
Be careful
C.
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D.
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【单选题】A: _____ you go to the movies on Friday? B: I can't . I have to work on Friday.
A.
Can
B.
Can't
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【单选题】老年人夜寐早醒而无虚烦之证的,多属气血不足,治宜
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【单选题】_____you go to the movies on Friday? I can't.I have to work on Friday.
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相关题目：
【单选题】中国现代文学的奠基人是（）
A.
鲁迅
B.
C.
巴金
D.
茅盾
查看完整题目与答案
【多选题】经过表面处理，表面硬度较高的渗碳淬火、薄片类的零件可以采用哪几种硬度测量标尺？
A.
HBW
B.
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C.
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D.
HV
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【单选题】—Will you please _____ it to me on Friday? —What about Saturday? My computer doesn@^@^@t work well these days. [     ]
A.
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B.
give
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D.
bring
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A.
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B.
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E.
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【单选题】It isn't quite ______ whether the teacher will collect the homework by Friday, so you needn't hurry. [     ]
A.
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【单选题】—I'm afraid I can't return the book to you before Friday. —________. [     ]
A.
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【单选题】A: _____ you go to the movies on Friday? B: I can't . I have to work on Friday.
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【单选题】老年人夜寐早醒而无虚烦之证的,多属气血不足,治宜
A.
交泰丸
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酸枣仁汤
C.
安神定志丸
D.
归脾汤
E.
养心汤
查看完整题目与答案
【单选题】_____you go to the movies on Friday? I can't.I have to work on Friday.
A.
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B.
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