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
fashionable时髦的；beneficial有益的,受益的；changeable可改变的；suitable 合适的。句意是:骑自行车对人们的身体健康和环境都有益处。