题目内容

What does the writer think of the Brazil team?

A. He thinks the Brazil team simply has bad luck.
B. He thinks the Brazil team should be sympathized.
C. He thinks the Brazil team has played quite well.
D. He thinks the Brazil team has not improved its technique.

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选择两个或两个以上的标志,对同一总体进行的重叠分组,称为复合分组。 ()

A. 正确
B. 错误

A modern aircraft ______.

A. is run by electronic computers
B. carries a bigger load of electronic apparatus than pay-load
C. does not need mini-computers at all
D. can carry a bigger pay-load if the electronic apparatus carried by it becomes lighter

The word "crown" at the end of paragraph 3 is similiar in meaning with ______.

A. disappoint
B. beat
C. please
D. overcome

If all linear dimensions of a computer is scaled down to one tenth, ______.

A. the speed of its operation will go up ten times
B. the electric signals will go to and fro ten times faster
C. its operation speed will remain constant
D. its weight will be reduced to one tenth

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