题目内容

常用的抛射剂种类有、、和。

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二相气雾剂一般指____气雾剂。

下列关于气雾剂的叙述中错误的为（）

A. 两相气雾剂为溶液系统
B. 气雾剂主要通过肺部吸收，吸收的速度很快，不亚于静脉注射
C. 吸入的药物最好能溶解于呼吸道的分泌液中
D. 肺部吸入气雾剂的粒径愈小愈好
E. 小分子化合物易通过肺泡囊表面细胞壁的小孔，因而吸收快

Model 1: Speed of transportation is not the thing that matters the most.Speed of transportation is not what matters the most.1. The cost of production is the thing that we are thinking about right now.2. Lack of water is not the thing that causes the problem.3. To accept the price is the thing that he meant by saying “OK”.

Model 2: Thus repeated handling and transshipment can be avoided.This is an advantage of transport by road.Thus repeated handling and transshipment can be avoided, which is an advantage of transport by road.1. Sally has to finish the task in one day. This is very difficult for her.2. John was late for the meeting again. This is very bad for a group leader.3. They grew up in that village. This is something they can never change.