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【简答题】
输出语句printf(“Hello World\n”);中的“\n”在语句中起什么作用?
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【单选题】John has just passed his driving test, so now he's on the ______ for a cheap car.
A.
pursuit
B.
track
C.
discovery
D.
trace
【单选题】听力原文：W: Hello. May I speak to John? M: Sorry, he has just gone to America for a meeting. Where is John now?
A.
America.
B.
China.
C.
Canada.