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【简答题】
通信频段越高,穿透能力越(_)(好or差),覆盖范围越(_)(大or小)。
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皮皮学刷刷变学霸
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【单选题】听力原文：M: I'm so tired that I can't see straight. W: You've been tired a lot lately, haven't you? M: Well, for the last few weeks, I've had to stay up most the nights to observe star configurations for ...
A.
Find his glasses.
B.
Sit up straight.
C.
Get enough rest.
D.
Change his tires.
【单选题】' I was wondering if you ______ give me a stamp?' ' I think I' ve got some. Here you are.'
A.
may
B.
might
C.
will
D.
could
【单选题】--- Hi, Grandma, why do you look so tired? --- I’m tired. I _______ the cleaning all morning.
A.
did
B.
had done
C.
have been doing
D.
have done
【单选题】听力原文：M: What trouble are you having with your eyes? W: Well, I'm a bit tired and you know I do a lot of reading because of my work and besides our room is in the basement in the Department of English ...
A.
She has a lot of reading assignment.
B.
Her room is not well lit.
C.
The English Department is in a basement.
D.
She lives in a basement and works hard.
【单选题】--------You seem to show interest in cooking. -------------_________? On the contrary, I’m tired of it.
A.
Really
B.
Pardon
C.
OK
D.
What
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