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【多选题】
在通信电源系统中，联合接地是将（ ）共用一组地网。A.
交流接地
B.
直流接地
C.
保护接地
D.
防雷接地
E.
交流零线
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【判断题】It is commonly believed that Boxing Day involves the sport of boxing.____
A.
正确
B.
错误
【简答题】Boxing is a fist fighting sport between two matched combatants (对手) wearing padded gloves. A boxer’s primary aim is to land as many blows as possible to the head and torso (躯干) of the opponent, using ...
【简答题】阅读理解。 Boxing is a fist fighting sport between two matched combatants (对手) wearing padded gloves. A boxer's primary aim is to land as many blows as possible to the head and torso (躯干) of the opponent, ...
【单选题】It is reported that the American Medical Association has called for the sport of Boxing__________
A.
to be forbidden
B.
to be forbidding
C.
to have been forbidden
D.
to forbid
【单选题】The American Medical Association has called for the sport of boxing （拳击） to be banned.
A.
forbidden
B.
regulated
C.
studied
D.
reorganized
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