A.Most equipment was designed for right handers.B.Their mental stress led to their lac

外语类 公共英语 已帮助 人

A.Most equipment was designed for right handers.

B.Their mental stress led to their lack of concentration.

C.They were careless.

D.They were slow in responding.

热搜:a是b的充分条件,b是a的必要条件吗