狭窄性腱鞘炎最常患部位在()
A.拇指
B.示指
C.中指
D.环指
E.小指
参考答案:A
解析:拇指为狭窄性腱鞘炎最常见部位。
(2013·济南市三模)The fresh air in the morning is pleasant ________. You'd better get up early to do some exercise.
A.to be breathed
B.to breathe
C.breathing
D.being breathed
怎样贯彻启发性原则