问题补充:
We should try to do as many things for the environment as we can.
A. adaptable
B. beneficial
C. appealing
D. accessible
答案:
A. adaptable
(答案→)B. beneficial
C. appealing
D. accessible
解析:词义辨析。Adaptable适合的,适应的;beneficial有益的;appealing吸引人的;accessible可接近的,可达到的。句意:我们应该尽可能多做对环境有益的事情。所以选B。