It is known that medical examination helps people to find out health problems as early as

问题补充：

It is known that medical examination helps people to find out health problems as early as possible.

A. normal

B. general

C. regular

D. common

答案：

A. normal

B. general

(答案→)C. regular

D. common

解析：考查形容词辨析。A正常的；B一般的；C有规律的；经常的；D普通的；句意：众所周知经常体检会帮助人们尽可能早地找到健康方面的问题。故C正确。