吗啡镇痛时常配伍阿托品的目的是A．产生协同作用 B．利用药物之间的拮抗作用以克服某些
题型：单项选择题
问题：
吗啡镇痛时常配伍阿托品的目的是
A．产生协同作用
B．利用药物之间的拮抗作用以克服某些副作用
C．减少耐药性的发生
D．为了预防或治疗合并
E．为了使药物半衰期延长
题型：单项选择题
| 阅读理解。 | ||||
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| 1. What number may you call if you and your friends want to enjoy the sunshine at the seaside? | ||||
| A. 67538293 B. 63986432 C. 64639818 D. 63875629 | ||||
| 2. Sam wants to stay in Hunter Valley with his wife, his five-year-old daughter and his seven-year-old son. How much will it cost? | ||||
| A. $ 25 B. $ 50 C. $ 100 D. $ 150 | ||||
| 3. David loves sports. He will take his holiday from May 7 to May 15. What activity will he probably take part in? | ||||
| A. Hiking in the mountains. B. Fishing in the country. C. Watching plants at night. D. Swimming in the sea. | ||||
| 4. Lucy is a college student.She is quite interested in science.She wants to know something about the life of plants at night.Which trip will she choose? | ||||
| A. Trip 1. B. Trip 2. C. Trip 3. D. Trip 4. | ||||
| 5. Which of the following is NOT mentioned according to the four advertisements? | ||||
    A B C D |