问题
单项选择题
对映异构体之间产生不同类型药理活性的药物是( )。
A．氯普噻吨
B．普萘洛尔
C．马来酸氯苯那敏
D．右丙氧芬
E．氯霉素
答案
参考答案：D
解析： 药物立体结构和药效的关系
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对映异构体之间产生不同类型药理活性的药物是( )。
A．氯普噻吨
B．普萘洛尔
C．马来酸氯苯那敏
D．右丙氧芬
E．氯霉素
参考答案：D
解析： 药物立体结构和药效的关系
| 完形填空。 Every country has its favorite food. Italians enjoy __ l __ pizza. Indians like to eat hot food. Japanese like to eat fish. They often don't cook it. In England, one of the most popular kinds of food __ 2__ fish and chips. People usually eat it in a fish and chip shop. They put it in paper bags, and take it home, __ 3 to their workplace. 4 they eat it in the park or on the road. 5 the world's favorite food isn't English, Italian, Indian or Japanese food. It _ 6 that American fast food is the most popular in the world. In New York, Moscow. London, and 7 in some big cities in China, you can find people 8 chips and hamburgers. Chinese food is 9 very popular in the world. In many cities you can find Chinese restaurants. People enjoy Chinese food because it has different 10 and it's usually very delicious. | ||||
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