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【单选题】
对于圆形、矩形、槽形、等不同截面形状但材料、截面积相同的导体,其载流量以( )截面导体为最大。A.
圆形
B.
矩形
C.
槽形
D.
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举一反三
【单选题】In this passage the writer advised (劝告) people ______.
A.
not to move to a big city without thinking about the problems there
B.
not to think too much about the problems before they move to a big city
C.
to move to a big city
【单选题】Which is the best title for this passage?
A.
Big Cities.
B.
Interesting Things in Big Cities.
C.
Good School in Big Cities.
【单选题】In this passage the writer advised(建议)people
A.
to move to a big city
B.
not to move to big city
C.
not to move to a big city without thinking about the problems there
D.
not to think too much about the problems before they move at a big city
【简答题】According to the passage, credit cards are big business because credit card companies make a big profit from both ______.
【多选题】(国网真题)下列说法错误的是( )。
A.
根据KCL,与某节点相连的各支路电流的实际方向不可能同时流出该节点。
B.
任何集总参数电路的电压电流都要受KCL、KVL和VCR方程的约束。
C.
含受控源电路中各电阻消耗的功率都由独立电源提供,受控源不消耗也不提供功率。
D.
理想电流源输出恒定的电流,其输出端电压由内电阻决定。
【单选题】In this passage the writer thinks it is fight for people______.
A.
to move to big cities
B.
not to move to big cities
C.
not to move to big cities before they think over the problems of living there
【单选题】Which is not talked about in this passage?
A.
Big cities are better than small cities.
B.
Big cities are exciting places to live in.
C.
Big cities have a lot of serious problems.
【简答题】According to the passage, the 'hierarchical' theory of galaxy formation suggests that big, bright galaxies formed as ______.
【简答题】就我所知,他们相互感情上疏远已有一些时间了。 中翻英_____________________________________________________________________.
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