题目内容
11.Well done!You have worked out all these physics problems (correct) .
11.correctly
() 4. Man’s understanding of nature is developing. It never stays at the same level.
A. at the right time B. for the first time
C. from time to time D. all the time
() 2. 一I'm sorry,sir. Fve made a lot of mistakes in the exam.
—Never mind. , the exam is a little difficult.
A. In all B. First of all C. After all D. Above all
5.This is a day in the history of their country.
9.The (速度) of light is much faster than that of sound.
5.Please tell me if she (come) again next time.
2.It is too cold for us to go out at night on Mars.(改为同义句)
It is can’t go out at night on Mars.
9. My daughter studies at a medical (学院) .
4. It’s so sunny. I don't think it (rain) .
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