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【多选题】
晶闸管的过电流保护方式有A.
快速熔断器保护
B.
过电流继电器保护
C.
限流与脉冲移相保护
D.
串接大电感
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【单选题】Don‘t call me at the office _______ it’s absolutely necessary。
A.
except
B.
unless
C.
since
D.
if
【单选题】It's absolutely ______ for us to reduce our price to your level, because Raw material prices have risen.
A.
out of the question
B.
out of question
C.
in question
D.
in the question
【简答题】A．The U.S. top officials are absolutely responsible for the conspiracy. B．People in no places other than U.S. enjoy democracy fully and freely. C．President Bush should rise to the trial conducted by t...
【单选题】—Johnson，come and look at the sea！It's beautiful，isn't it? —Absolutely！If only I ______here by the sea.
A.
had lived
B.
lived
C.
live
D.
will live
【简答题】情景对话。 Husband: Hi, darling, I'm home. Wife: 1 Husband: Well, just as usual. Wife: Come on, I've known you for years.Your face tells me something has happened. Husband: Is that so? Wife: 2 .Tell me, wh...
【简答题】A. 一般客户 B. 新客户 C. 潜在客户 D. 关键客户
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