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【单选题】
镗,最后一刀的走向,最好使得因刀具磨损造成的锥度与尾轴管压入的方向()。
A.
相反
B.
B 一致
C.
平行
D.
垂直
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【单选题】已知一电压源的电动势为12V,内阻为2Ω,等效为电流源时,其电流和内阻应为( )。
A.
6A 2Ω
B.
3A  2Ω
C.
6A 3Ω
D.
3A 6Ω
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【单选题】下列操作中,适宜使用宏的是( )。
A.
处理报表中错误
B.
创建自定义过程
C.
修改数据表结构
D.
打开或关闭报表对象
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【多选题】湘南传统村落大都有着优美的环境
A.
依山傍水、依山就势
B.
有着合理的平面布局
C.
高低错落
D.
整齐、均衡、和谐
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【单选题】已知一电压源的电动势为12V，内阻为2Ω，等效为电流源时，其电流和内阻应为（ ）。
A.
6A  3Ω
B.
3A  2Ω
C.
6A  2Ω
D.
3A  3Ω
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【简答题】Throughout the history of mankind, people have been asking, “Can it really happen?”The question was asked when people first thought of going out on the oceans. It was asked when Columbus set out on hi...
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【单选题】已知一电流源的电流为 5A ,内阻为 4Ω ,等效为电压源时,其电动势和内阻应为( )。
A.
20V   8Ω
B.
20V  4Ω
C.
10V   4Ω
D.
10V   8Ω
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【简答题】阅读理解 By now, a rocket will have set off on its 35-million-mile trip to Mars and scientists must be waiting for the results. The rocket will be travelling for six months before it reaches the planet. I...
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【单选题】I suggested that they set off early to avoid (避开) the traffic jam, ____________ no one respond
A.
32. I suggested that they set off early to avoid (避开) the traffic jam, ____________ no one responded. A．on which
B.
to which
C.
about which
D.
for which
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【单选题】已知一电压源的电动势为12V,内阻为2Ω,等效为电流源时,其电流和内阻应为( )。
A.
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B.
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C.
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D.
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【多选题】湘南传统村落大都有着优美的环境
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【单选题】已知一电压源的电动势为12V，内阻为2Ω，等效为电流源时，其电流和内阻应为（ ）。
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【简答题】Throughout the history of mankind, people have been asking, “Can it really happen?”The question was asked when people first thought of going out on the oceans. It was asked when Columbus set out on hi...
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【单选题】已知一电流源的电流为 5A ,内阻为 4Ω ,等效为电压源时,其电动势和内阻应为( )。
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【单选题】I suggested that they set off early to avoid (避开) the traffic jam, ____________ no one respond
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