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【简答题】
工作在交流电压 V ,或直流电压 V及以下的电路中起通断、保护、控制或调节作用的电器产品叫低压电器。
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皮皮学刷刷变学霸
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【简答题】Indian's snake charmers are to be retrained as wildlife teachers under a plan to pr their unique skills and knowledge from being lost. The charmers, who make snakes dance to the sound of flutes, ...
【单选题】What did the U.S. government claim about their plan to install interceptor missiles in Eastern Europe?
A.
The defense system will be operational right away.
B.
The defense system is targeted at Russia.
C.
It helps to defend against Czech Republic.
D.
It is intended to defend against rogue states.
【单选题】Their plan _____ to be a perfect one.
A.
Proved
B.
Was proved
C.
Is proving
D.
Proving
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