问题补充:
In face of the challenge for the moment, it’s most important to a good state of health.
A. keep up
B. keep away
C. keep off
D. keep out
答案:
(答案→)A. keep up
B. keep away
C. keep off
D. keep out
解析:动词短语辨析。A保持,维持;继续进行,坚持;B不接近;使离开;C驱散;避开;防止;不接近;D把…挡在外边;句意:目前面对着挑战,最重要的是保持良好的健康状态。根据句意选择A。