阻塞性肺气肿最突出的表现是
A．咳嗽、咳痰B．肺部哕音C．呼吸音粗糙D．心音减弱E．呼吸困难
参考答案：E
How you?[ ]
A. is
B. are
C. am
The food in this restaurant is very good. You can’t find ______ restaurant in this town.
A．the better
B．a better
C．a best
D．the best
