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【简答题】
设集合A={（x，y）|x+2y=5}，B={（x，y）|x﹣2y=﹣3}，则A∩B=（ ）．
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举一反三
【简答题】在电路图中一般集成电路的图形符号用一个方框和集成电路的引脚表示，不需要把集成电路 描绘出来。
【单选题】听力原文：W: Hello, sir. Can I help you? M: Yes... Er, have you mod about the World Cup in today's newspaper, Miss? W: Yes, I have. M: Are you interested in football? W: Well, yes. M: I am. Wonderful game,...
A.
Two sports fans.
B.
Two acquaintances.
C.
Customer and shop-assistant.
D.
Foreign tourist and his guide.
【简答题】集成电路在电路中用________表示。
【单选题】—I don’t have enough money for the T-shirt. —Don’ t worry. I can lend to you. A. any B. some C. many
A.
any
B.
some
C.
many
【单选题】I can ’ t go to the cinema with you, as I have to do.
A.
something else
B.
anything other
C.
else something
D.
other something
【单选题】You __ __ help me if you don ’ t have time. I can do the job myself.
A.
a ren ` t able to
B.
don ` t have to
C.
a ren ` t going to
D.
mustn ` t
【简答题】在电路图中一般集成电路的图形符号用一个 和集成电路的引脚表示，不需要把集成电路内部电路描绘出来。
【简答题】在电路图中一般集成电路的图形符号用一个矩形方框和集成电路的 表示，不需要把集成电路内部电路描绘出来。
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