Good health________regular exercise and a good habit of living.
A.calls on B.calls for
C.calls up D.calls off
Good health________regular exercise and a good habit of living.
A.calls on B.calls for
C.calls up D.calls off
B 考查动词短语辨析。call for 需要。句意:良好的健康需要有规律的锻炼和好的生活习惯。 call on 号召; call up 使想起,打电话; call off 取消。