问题 单项选择题 A1/A2型题

氨甲苯酸的作用机制是()

A.抑制纤维蛋白酶原

B.抑制纤维蛋白酶原的激活因子

C.增加血小板聚集

D.促进肝脏合成凝血酶原

E.促进纤维蛋白溶解

答案

参考答案:B

解析:氨甲苯酸为抗纤维蛋白溶解药,抑制纤维蛋白酶原的激活因子,使纤维蛋白溶解原不能激活为纤维蛋白溶酶,对因局部或全身纤维蛋白溶解活性增高引起的纤维蛋白溶解有明显的作用,从而达到止血的目的,所以答案为B。

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Activities This Weekend

An Open-air Craft (工艺) Market
In Front of the City Hall
Sunday from 8:30 a.m. to 6:30 p.m.
Need to buy a present? Find bamboo toys, paper flowers, paper umbrellas, model cars and more! Food from around the world, too!
City Museum
Travel Movies
Meeting Room
Sat. & Sun. at 2:30 p.m.
Do you want to travel but don’t have enough money? See movies on Japan, Italy, America, England, Russia, and Australia. There are only 80 seats, so come early.
Autumn Fashion Show
Golden Shopping Center
Sunday at 3:00 p.m.
Men’s and women’s autumn clothes. See 25 handsome and pretty models show the latest fashions. All clothing will be on sale after the show for under ¥100.


Pop Concert at Yunhai Square
Saturday from 9:00 p.m. to midnight
Five groups of college students are
going to play the guitar and sing pop songs. Bring your own
food and drink.
   Library Lecture
City Library Hall
Saturday at 10:00 a.m.
How to find the job that
you really want! Two-hour lecture. Advice on choosing and getting the right job for you. Coke and sandwiches are sold.
小题1:Are you a movie fan? Then you can go to _____.
A.Autumn Fashion ShowB.City Museum
C.City Library HallD.Yunhai Square
小题2:People can buy presents _____.
A.at Yunhai Square
B.in City Library Hall
C.in City Museum
D.at Open-air Craft Market
小题3:If people want to get some information about getting jobs, they can _____.
A.see the movies
B.go to the pop concert
C.see the fashion show
D.go to the library lecture
小题4:Pop concert at Yunhai Square will begin _____.
A.at 9:00 p.m., Saturday
B.at 2:30 a.m., Saturday and Sunday
C.at 10:00 am., Sunday
D.at 8:30 a.m., Sunday
小题5:Which of the following is not true?
A.The two-hour Library Lecture takes place in City Library Hall.
B.There are few kinds of food at the Open-air Craft Market.
C.All clothing will be on sale after the fashion show for under ¥100.
D.Only 80 seats are available for travel movies.
单项选择题