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【判断题】
断路器的短路分断能力通常要大于或者等于线路的预期短路电流。A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】There is little food in the bridge, _________? [ ]
A.
isn't there
B.
is there
C.
do they
D.
does it
【单选题】根据骨折是否与外界相通，可把骨折分为
A.
外伤性骨折和不稳定性骨折
B.
压缩性骨折和横行骨折
C.
稳定性骨折和不稳定性骨折
D.
完全性骨折和不完全性骨折
E.
开放性骨折和闭合性骨折
【单选题】Supermarket is out of rice and there is a food shortage in the city.
A.
Fact
B.
Opinion
【单选题】There is little food in the fridge , ______ ?
A.
is it
B.
isn’t it
C.
isn’t there
D.
is there
【简答题】There is a big supermarket（超市） near Mrs. Green’s home. She usually goes there to buy food. The shop assistants are polite(有礼貌的)and helpful. The things are cheap, too. One day, Mrs. Green goes to the s...
相关题目：
【单选题】根据骨折是否与外界相通，可把骨折分为
A.
外伤性骨折和不稳定性骨折
B.
压缩性骨折和横行骨折
C.
稳定性骨折和不稳定性骨折
D.
完全性骨折和不完全性骨折
E.
开放性骨折和闭合性骨折