问题 单项选择题 案例分析题

病历摘要:女性患者,38岁,在近4个月内突发每接触冷水及冷风后,于暴露或接触部位产生斑块性水肿,严重时有手麻、胸闷、心悸及腹痛等症状。皮损持续数分钟致数小时后自动消退。

多数荨麻疹患者由哪项变态反应介导()

A.Ⅰ型变态反应

B.Ⅱ型变态反应

C.Ⅲ型变态反应

D.Ⅳ型变态反应

E.Ⅴ型变态反应

答案

参考答案:A

阅读理解

阅读理解。

     When Ben Franklin was only a boy, he always wanted to know about things. He was always asking

his father and brothers "What?" and " How?" and "Why?".

     They couldn't always tell him what he wanted to know.

     When they couldn't tell him, Ben try to find the answer by himself.

     Many times Ben did find out things that no one knew before. The other would say,

     "That Ben Franklin! He is always finding out something new!"

     Ben lived close to the water. He liked to go there to see the boats. He saw how the wind blow them

across the river.

     One day Ben said to himself, "Why can't the wind help me float (漂浮) across the water? And I'm

going to try." Ben got his big kite. He took hold of the kite's sting and ran with it. The wind took the

kite up into the air. Then Ben jumped into the water.

      The wind blew the kite high into the sky. Ben began to float across the water. Soon he was on the

other side, and he did not work at all.

     One boy shouted, "Look at Ben floating across the water! His kite takes him to the other side without

any work!"

1. When he was a child, Ben _____. [ ]

A. liked to fly a kite by himself

B. always asked easy questions

C. always liked to play with water

D. always liked to find out how things worked 

2. His father and brothers ____.  [ ]

A. couldn't answer all his questions

B. could answer all his questions

C. tried hard to find out something new for him

D. were too busy to answer his questions

3. How did Ben Franklin float across the water? [ ]

A. The other boy took him across it.

B. The water carried him across it.

C. The flying kite took him across it.

D. A boat took him across it.

4. He found out many things that _____. [ ]

A. children didn't know

B. his father and brothers knew

C. people didn't know

D. most people knew

5.In the passage,"and he did not work at all" means _____. [ ]

A. he worked hard to cross the water

B. he didn't go to work that day

C. he didn't cross the water at all

D. he crossed the water in an easy way

单项选择题