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【简答题】
光隔离器是一种只允许光沿 单一方向 通过而在___________ 阻挡光通过的光无源器件。
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举一反三
【简答题】What impressed Gates and what did he do as a result of such impression?
【单选题】—______________________? —We are looking for a pair of sports shoes. [ ]
A.
What do you do
B.
What do you look for
C.
Can I help you
D.
Do yo u need help
【单选题】What can you do to make the best impression?
A.
Avoid eye contact.
B.
Don’t ask questions.
C.
Arrive late.
D.
Be an active listener.
【单选题】Do be careful with what you are to say. If you ___, you will leave a bad impression.
A.
don’t
B.
aren’t
C.
won’t
D.
can’t
【简答题】What impression do you have for a typical British?
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