止血带止血应每扎1个小时要松一次，每次松3—4分钟。（）
参考答案：错
It's eight o'clock Henry _____ the phone. [ ]
A. talks on
B. talks in
C. is talking on
D. is talking in
患儿，8岁，流行性乙型脑炎恢复期，证见高热已退，面色萎黄，手足拘挛，肢体强直，时有震颤及不自主动作。治疗首选方剂为( )
A．羚角钩藤汤
B．大定风珠
C．补阳还五汤
D．安宫牛黄丸
E．苏合香丸
