1．It is well known that sports are beneficial (有益的) to building our bodies.
2．That's the most incredible (难以置信的) coincidence I've ever heard of!
3．We tried to stay away from controversial (有争议的) topics at the dinner party.
4．Honesty is considered as one of the good virtues (德行)．
5．Unexpected difficulties arose (产生) in the course of their experiment.
6．He quarreled with my suggestion that television caused violence (暴力).
7．Adults are not flexible (易适应的); they do not transplant comfortably to another place.
8．These regulations (法规，条例) are intended to prevent accidents.
9．The rain pours down, accompanied (伴随) by thunder and lightning.
10．Years of research work have failed to produce a cure (治愈) for the disease.
