急性左心衰()
A.呼吸音消失
B.局部固定性湿啰音
C.呼气性干鸣音
D.吸气性干鸣音
E.肺底大量湿性啰音
参考答案:E
It was at four o'clock in the afternoon ____ he and his grandpa reached the museum in Guanghan.
A.while
B.that
C.when
D.as
在我国古代,“大夫”指的是______。
A.官职 B.教师 C.医生 D.丈夫