问题
选择题
Cycling is highly _____ to people’s health and the environment.
A．fashionable
B．beneficial
C．changeable
D．suitable
答案
答案：B
形容词辨析。A时尚的；B有益的；C易变的；D合适的；be beneficial to对…有益；句意：骑自行车对人的身体和环境都是有益的。
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