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【单选题】
对于四冲程柴油机来说，连杆螺栓是非常重要的螺栓，用（）方法检验其是否失效不准确。A.
测量螺栓的自由长度
B.
测量螺栓直径
C.
借助放大镜观察
D.
渗透或磁粉探伤
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【单选题】What will future historians remember about the impact of science 【C1】______ the last decade of the 20th century? They will not be much 【C2】______ with many of the marvels that currently preoccupy us, ...
A.
during
B.
within
C.
at
D.
after
【单选题】根据我国现行《宪法》,须由全国人大常委会或者( )以上的全国人大代表提议,并经全国人大全体代表的( )以上多数通过方能修改宪法。
A.
1/5 1/3
B.
2/5 1/3
C.
1/5 2/3
D.
2/5 1/3
【单选题】What will future historians remember about the impact of science【C1】______ the last decade of the 20th century? They will not be much【C2】______ with many of the marvels that currently preoccupy us,【C3...
A.
during
B.
within
C.
at
D.
after
【单选题】What will future historians remember about the impact of science during the last decade of the 20th century? They will not be much concerned with many of the marvels that currently preoccupy us, such ...
A.
People's new knowledge of themselves.
B.
The development of computer technology.
C.
The birth and growth of the Internet.
D.
Mankind's ability to control global warming
【单选题】根据我国现行《宪法》,须由全国人大常委会或者( )以上的全国人大代表提议,并经全国人大全体代表的( )以上多数通过方能修改宪法。
A.
1/5 1/3
B.
2/5 1/3
C.
1/5 2/3
D.
2/5 2/3
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