奎尼丁的不良反应包括()
A.胃肠道反应
B.金鸡纳反应
C.奎尼丁晕厥
D.低血压
E.肝、肾功能损害
参考答案:A, B, C, D
There have been several new events ______ to the program for the 2012 Olympic Games.[ ]
A. add
B. to add
C. adding
D. added