患者，男性，18岁，自9岁起反复出现发作性呼吸困难，发作前常有喷嚏、流涕，症状持续1

我国北方地区，二氧化碳含量相对较高的季节是 [ ]

A．春季    

B．夏季    

C．秋季    

D．冬季

In the following passage, there are 25 blanks representing words that are missing from the context. You are to put back in each of the blanks with the missing word. Write your answers on the ANSWER SHEET. The time for this section is 25 minutes.
Compared with the immediate practical responsibility of the scientist, the (1) of the artist must seem puny. The decision which faces (2) is not one of practical action: of course he will try to throw this (3) into the scale, and that weight, if he is a writer or (4) a painter of genius, may have its effect. For the novelist—in our society the only artist who has a mass audience and at the same time effective economic control of the means of addressing (5) —the hope of some decisive influence is a reasonable (6) . For him, since he takes of all artists (7) is probably the largest portion of his culture as material, there is no (8) escape from the necessity for treating the content of his work seriously than (9) is for the social psychologist he is coming so closely to resemble. The dichotomy which people have tried to establish between artistic proficiency and (10) content is becoming unbearable to almost all sensitive minds. I doubt if it has ever been real— we might have admired Shelley as (11) if he had been indifferent to such things as war and tyranny, though I doubt it; certainly (12) he been indifferent we should never have been led by (13) .
There is no Hippocratic oath in literature, and I am not attempting to draw (14) up. As far as I am concerned, the artist is a human being writ large and his (15) are the ethics of any human being. Perhaps I can best illustrate (16) seems to me the new (17) of those duties of assertion and refusal from one writer, and I do not (18) it is without significance that this (19) projects the whole situation of choice into a scientific parable, the (20) of a pestilence: a (21) many human (22) are called to fight against, called not by any supernatural (23) but by the simple fact that the fight against a plague is (24) like a biological human (25) .

(1—3题共用题干) 患者男性，21岁，全身多处刀砍伤20分钟来诊。查体：T 36℃、R 20次／分、P120次/分、BP 70／30mmHg。神清，表情淡漠，口唇面色苍白，全身发冷。头颈背及双侧大腿可见15处皮肤裂伤，长度5—15cm。听诊双肺呼吸音清，未闻及干湿啰音，心律齐，未闻及病理性杂音。生理反射存在，病理反射未来、引出。

此时如果求算患者休克指数，可提示失血量占血容量的

A．10％—20％

B．20％—30％

C．30％—40％

D．30％—50％

E．40％—50％

下图甲表示的是与某个反射过程相关的结构，图乙是图甲中的亚显微结构模式图。据图回答：

乙酰胆碱是一种兴奋性神经递质，发挥作用后立即被胆碱酯酶分解。有机磷农药能抑制乙酰胆碱酯酶的活性，发生有机磷农药中毒的病人，常表现出肌肉（）的症状。

进行乳滴动力学研究，其合并速度符合（）

A.零级动力学规律

B.一级动力学规律

C.伪一级动力学规律

D.二级动力学规律

E.三级动力学规律