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【单选题】
提高单片机的晶振频率，则机器周期A.
不变
B.
变长
C.
变短
D.
不定
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反馈参考答案：
举一反三
【单选题】听力原文：M: Hello. International Friends Club. Can I help you? W: Oh, hello. I read about your club in the paper today and thought I'd phone to find out a bit more. M. Yes, certainly, well, we' re a sort ...
A.
She wants to know more about the club.
B.
She hopes to find a job in Washington.
C.
She plans to go to evening classes.
【简答题】My name is Daniel. Let me talk about my day. I get up at 6:30 a.m. and I read English for about half an hour. I eat breakfast at about 7:10 a.m. I go to school by bus at about 7:40 a.m. My school star...
【简答题】策划的构成要素有哪些?
【简答题】轴一般由( )、( )和( )组成。
【单选题】听力原文：W: Hi, Bob. I heard about your accident but I didn't think it would be this bad. M: Well, thanks for making me feel better. W: I can't hardly recognize you through all those bandages. Tell me wha...
A.
He had a surfing accident.
B.
He changed the way he looked.
C.
He spent some time studying.
D.
He found a new hobby.
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