根据中暑的具体症状,可分为()、()和()。
参考答案:先兆中暑;轻症中暑;重症中暑
The number of foreign students attending Chinese universities ______ rising steadily since 2009.
A.is
B.are
C.has been
D.have been
痔疮肿痛出血当首选()
A.白茅根
B.侧柏叶
C.白及
D.槐花
E.冬葵子