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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答案解析:
_________ with the size of the whole earth, the highest moun
_________ with the size of the whole earth, the highest mountain does not seem h