题目内容

The word "us" in the last paragraph refers to______.

A. the author and the old woman
B. the giver and receiver of the help
C. the author and the guy in the box
D. the author and his daughter

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【C10】

A. hits
B. misses
C. passes
D. heats

— Did you scold him for his carelessness? — Yes, but______it.

A. I"d rather do
B. I" d rather not have done
C. I should do
D. I"d better not do

河北承德避暑山庄是我国现存最大的园林。()

齿轮机构中,对于精度不高及圆周速度不大的大型齿轮,如果损坏一个或几个相邻齿,可以用镶齿法进行修复。 ()

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