大多数药物出现作用由快到慢的顺序为
A．＞＞＞
B．＞＞＞
C．＞＞＞
D．＞＞＞
E．＞＞＞
参考答案：E
解析：①i.v.(静脉注射)：直接注射进入血液循环，吸收快，②i.m.(肌内注射)：药物需从组织转入血液循环，吸收比静脉注射稍慢；③皮下血管分别没有肌肉丰富，i.h. (皮下注射)：吸收要比i.m.慢;④p.o.(口服给药)：要经过崩解、溶解等过程，吸收最慢。
完形填空（共10小题，每小题1分，计10分） 阅读下面短文，掌握其大意，然后从各小题所给的四个选项中选出最佳选项。 Building a house is an operation which costs quite a lot of money．Suppose you plan to 46 a house，your first step is to find a suitable piece of 47 ，You will probably try to find a sunny place，in a 48 situation，near stores and bus stops，not too far from your friends and the place where you work． Next you will find an 49 builder．And together with the builder you will make a 50 ，The builder will draw it．The builder will also 51 the cost of your house．He will estimate(估计)the cost of the wood，the glass，and everything else that he must use in building the house．Later on，when he starts to build，this estimate must 52 ，because the prices may 53 ，and many other thing may happen between the time when he makes the estimate and the time when he builds the house． 54 the builder gives you his estimate，you may wish to change your plan．You may find that some of the things you wanted at first cost too much，or that you can 55 a little more and add something to your original plan．
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