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【简答题】
等大球最紧密分为ABAB和ABCABC两种堆积方式,ABAB的堆积方式的晶胞是________________结构;ABCABC的堆积方式的晶胞是______结构。
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【单选题】Miss Li asked a question, but it was ________ that nobody could answer it. [ ]
A.
very diffcult
B.
too diffcult
C.
diffcult enough
D.
so diffcult
【简答题】--Johnson, there’re a lot of chairs over there. Go and fetch ________ for me. --Why ________ ? Mike is sitting there doing nothing.A. one; me B. that; not he C. it; not him D. some; I
【单选题】Do you think that you have no time to catch up on your favorite TV series, go out with your friends on the weekend, or just sit around relaxing and doing nothing? You might have a lot of time in hand,...
A.
Better yet, shut it off completely to prevent yourself from using it too often .
B.
The following are some suggestions to help you find time for relaxation.
C.
Shut down your computer to avoid being distracted.
D.
You tell yourself you have no time to relax and have fun.
E.
Get started by writing down at least three tasks that must get done for tomorrow.
F.
Here are several reasons why you feel you always have no time for relaxation.
G.
You can avoid being affected by using noise-reducing earphones .
【简答题】Nobody could answer the question.
【简答题】How often do you decline an invitation because you have something else you would rather do? Or you're not crazy about the person asking you to join? Or you're not interested in that type of ? Or ...
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