问题
选择题
We often go to work by bicycle, for cycling is highly ______ to health and the environment.[ ]
A. suitable
B. beneficial
C. worthwhile
D. valuable
答案
答案：B
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We often go to work by bicycle, for cycling is highly ______ to health and the environment.[ ]
A. suitable
B. beneficial
C. worthwhile
D. valuable
答案：B