能引起中毒性肺水肿的化学毒剂是()
A.氯气
B.芥子气
C.西埃斯和亚当剂
D.光气和双光气
E.燃烧不全化学气体
参考答案:D
根据中英文提示,完成句子。
1. My father is in the __ (书房).
2. Let's put the (椅子) in the dining-room.
3. How many ___ (课桌)can you see?
4. (对不起), you're wrong.
第一出去供水车辆宜采用()车。
(A)水罐泵浦
(B)泡沫
(C)干粉
(D)轻便