穿心莲具有的功效是（）
A.清热解毒，燥湿
B.凉血，消肿
C.清心利尿
D.收涩止痢
E.清肝定惊
参考答案：A, B
The parents felt helpless when they found their son ___________ computer games. [ ]
A. addicted to
B. addicted himself
C. addicting to
D. became addicted to
间歇热与弛张热的主要不同点是（）
A.发热程度
B.发热上升方式
C.发热持续时间
D.有无正常体温
E.发热下降方式
