关于慢性脓胸哪项是错误的()
A.脓液稠厚
B.脓胸局限包裹
C.脏壁层纤维板
D.排脓后肺膨胀不受限
E.纵隔向患侧移位
参考答案:D
乙酰胆碱拮抗药( )。
A.西咪替丁B.哌仑西平C.丙谷胺D.奥美拉唑E.西沙比利
There are over two thousand students in this school. (同义替换) [ ]
A. about
B. more than
C. less than
D. almost