单项选择题
People ought to take physical examinations at regular intervals SO as to know their own health.
A) 人们必须在一段时间内进行体检,以了解自己的身体情况。
B) 人们应当按规定进行体检,以确保自己的身体健康。
C) 人们应当进行体育锻炼,以确保自己的身体健康。
D) 人们应当定期检查身体以了解自己的健康状况。
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There are many countries in the world where the water supply is not sufficient for the growing population, and other sources have to be found.Even the sea is used in some countries,but the problem of removing the salt is a severe one.Sea water can be used for a supply of drinkable water if it Call be separated from the salt dissolved in it.
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单项选择题
Mr.Smith,like his late father,rocked to power,only fell in disgrace soon afterwards.
A) 史密斯先生像他的继父一样火箭般地达到了权力的顶峰,但很快就身败名裂。
B) 史密斯先生像他的继父一样总爱玩弄权术,很快到了令人仰慕的地位。
C) 史密斯先生像他已故的父亲一样扶摇直上到了权力的顶峰,但很快就身败名裂下了台。
D) 史密斯先生像他已故的父亲一样以火箭般的速度达到了权力的顶峰,但没过多久也就去世了。
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