人工起博器安装的适应症为（）。
A.二度以上房室传导阴滞
B.室上性心动过速
C.病态窦房结综合症
D.室性心动过速
E.房颤
参考答案：C
He speaks English well indeed, but of course not ________ as a native speaker. [ ]
A. as fluent
B. more fluent
C. so fluently
D. much fluently
症见四肢困重，脘腹闷痛，口苦黏腻，口干不欲饮，纳呆，小便黄短，大便不爽，舌红苔黄腻，脉濡数。治疗首选方为（）
A.藿香正气散
B.薏苡仁汤
C.葛根芩连汤
D.茵陈五苓散
E.王氏连朴饮
