卸料槽1D320加消泡剂时,需要打开的阀门有()
A.9XV170-02
B.9XV177-01
C.1XV320-07
D.1XV320-08
参考答案:A, B, C
All the doctors insisted that he ___ badly wounded and that he ___ at once.
A.was… be operated on
B.were.. must be operated on
C.was… should be operated
D.should be…be operated
喉部检查最常用的方法是()
A.间接喉镜检查法
B.纤维喉镜检查法
C.直接喉镜检查法
D.动态喉镜检查法
E.喉影像学检查法