综合类-词汇选项（3月26日）_职称英语网校

词汇选项

Among other things they had to stand pressure three times the force of gravity and carry out both physical and mental tasks while exhausted from strenuous physical exercise. ________. During that time they suffered backaches and other discomforts. When they were finally allowed up， the more physically active women were especially subject to pains due to a slight calcium loss.

A.They need less food and less oxygen and they stand up to radiation better.

B.At the end of ten days， they had to spend a further twenty days absolutely confined to bed.

C.Men's advantages are virtually wiped out by the zero-gravity condition in space.

D.Results of the tests suggest that women will have significant advantages over men in space.

【正确答案】B

【答案解析】这一段是客观地描述已进行过实验的情况，所以动词用的都是过去时。

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