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【简答题】
光敏二极管在电路中一般是处于 工作状态,在没有光照射时,反向电阻很大,反向电流很小。
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【单选题】听力原文：M: When do you want to leave for that town, mother? W: I am not sure. But maybe we should leave on Tuesday after work. It's a long drive. But I would rather get there late Thursday. We have sever...
A.
Attend a party.
B.
Take a holiday.
C.
Attend a meeting.
【简答题】用方框中所给单词的适当形式填空，使短文通顺、正确、连贯。 we, leave, rich, snow, when, say, remember, with, something, baby On a __ _ 小题1: _ __ evening, a rich lady was standing by the road. She was very worried. Her c...
【单选题】What's wrong with Jessie?
A.
She has a stomachache.
B.
She has a headache.
C.
She has a toothache.
【简答题】A．She has to meet a friend. B．She has to fly to Argentina. C．She has to attend a meeting. D．She has to lunch with the man next week.
【简答题】单词拼写：(每空1分，共10分) 小题1:We should t__________ off (关掉)the lights before we leave the classroom. 小题2:Lucy is c_________(聊天) with her friends on line. 小题3:People often l__________(点燃) the candles on the bi...
【单选题】We were all surprised when he made it clear that he office soon ．
A.
． 1eaves
B.
． would leave
C.
． 1eft
D.
． had left
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