英语三级B级
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。
【解析】0ught to相当于情态动词,后面跟动词原形,意思是“应当”;physical examinations意思是“体检”,而非“体育锻炼”;at regular intervals为固定短语,意为“定期”,regular是“规则、规律”的意思;know their own health意思是“了解自己的健康状况”,而不是“确保自己身体健康”,这样同前半句意思也是相呼应的,做体检并不能保证自己的身体健康,顶多只能知悉自己的健康状况。
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