骨关节炎的疼痛最主要的特点是
A.休息痛B.运动痛C.寒冷痛D.阴雨天痛E.不定时痛
参考答案:A
下列说法不是人和植物共有特征的是( )
A.呼吸
B.排出体内产生的废物
C.能繁殖后代
D.排汗
Mary three of her classmates invited to the party.
A.as well; has been
B.and; have
C.as well as;was
D.as good as; were