问题 单项选择题 A1型题

凝血酶时间(TT)延长见于()

A.纤维蛋白原降低

B.凝血酶原降低

C.凝血因子Ⅶ降低

D.凝血因子Ⅷ降低

E.凝血因子Ⅹ降低

答案

参考答案:A

解析:凝血酶原是由肝脏合成的一种蛋白质,凝血酶原时间(PT)是外源性途径凝血因子异常的重要筛选试验,体内多种凝血因子减低均可导致PT延长,还可以反映肝脏的凝血功能。凝血酶时间反映的体内抗凝物质,延长说明纤溶亢进,在低(无)纤维蛋白原症,DIC以及类肝素物质存在时出现延长。

完形填空

Rose didn’t see her school IC card at lunch time. She asked her classmates and looked for it everywhere. But she couldn’t       it. Later, one girl said that she saw Kate take a card from Rose’s desk. So Rose got very      .

When she met Kate in the afternoon, Rose      , “You have stolen(偷) my card!” Hearing this, Kate began to cry, “No, no, I didn’t steal it! I only took it by       .” But Rose didn’t think so and they began to fight.

Just then a teacher came up and       what had happened. Kate told the whole story. She said her pen pal came to see her in the morning. She was so       that she took the card carelessly. Then they went for lunch happily. “I used the card, but I had thought it was mine. I didn’t know it was Rose’s       she asked. I was too afraid to explain it to her. So I decided to put the      back with some money secretly. “I am sorry, Rose.” Kate said in a low   .

“It’s just a misunderstanding(误会)!” said the teacher. Tears(泪水) came into Rose’s eyes. Then she said, “I was       sorry, Kate! I hope we are still good friends. ”

小题1:A. find     B. buy             C. put

小题2:A. happy    B. angry           C. afraid

小题3:A. sang     B. shouted         C. read

小题4:A. card     B. words           C. mistake

小题5:A. asked    B. understood       C. allowed

小题6:A. sad      B. excited          C. interested

小题7:A. until    B. after            C. if

小题8:A. pen     B. book            C. card

小题9:A. voice    B. sound           C. noise

小题10:A. not     B. also            C. Never

单项选择题 A1/A2型题