问题 单项选择题

支气管哮喘的肺功能异常,主要表现在

A.肺活量减少

B.最大通气量增加

C.第一秒钟用力呼气容积减少

D.弥散量下降

E.功能残气减少

答案

参考答案:C

解析:支气管哮喘属阻塞性通气功能障碍,阻塞性通气障碍的最大特点就是流速降低(FEVl/FVC%降低),因此可以派生出时间肺活量、第一秒用力呼气容积减少等答案项。这就是解题的关键。支气管哮喘时可有肺活量减少、最大通气量下降、功能残气量和残气量/肺总量增加,但这些都不是阻塞性通气障碍的特征性表现。支气管哮喘患者主要是气道梗阻,其弥散功能正常。

阅读理解

阅读理解。

     Do you enjoy reading? Here readers of your age from all over the United States recommend (推荐)

great books for you to read:

     My favorite book is Don't Die, My Love by Lurlene McDaniel. I love all her books, but this was the

first one I read and I have to say, it is by far my favorite. It doesn't end like other books, and I cried while

reading.

      I think Nancy Drew is great! Nancy is a detective (侦探) who has many fantastic ideas! I love it

because it's a book from when my grandma was my age, and I can share the fun with her!

     I highly recommend Skinny Bones by Barbara Park. It is funny so please add it on your book list.

You don't want to miss out funny sto ries!

I would suggest _____ by Judy Blume. It is based on real things that happened to Judy Blume. It is

about a girl, Alice, who meets some girls at a new state. They become friends, make a club and meet

once a week. They stop after two weeks because they all like a boy in their class and put him as number

one. I think every girl should read this because it is about our growing up.

     I read a book called Neela: Victory Song and it was so good that I read it twice! It takes place in India

in 1936 and this 12-year-old girl named Neela tries to save her father! It has lots of history in it! I also

learned a lot about different cultures! The author's name is Chitra Banerjee Divakaruni.

1. According to the reader, Skinny Bones can be described as a _____ story.

A. sad

B. history

C. funny

D. detective

2. From which book can we learn different cultures?

A. Skinny Bones.

B. Nancy Drew.

C. Don't Die, My Love.

D. Neela: Victory Song.

3. Who is most probably an Indian author?

A. Judy Blume.

B. Barbara Park.

C. Chitra Banerjee Divakaruni.

D. Lurlene McDaniel.

4. The best name of the 4th book is _____.

A. My Secret

B. Growing Trouble

C. Three Friends

D. Alice Learns a Lesson

5. Which is TRUE about Nancy Drew?

A. It doesn't have a common ending like other books.

B. It's based on real things that happened to the author.

C. It's about a 12-year-old girl who tries to save her father.

D. Both the reader and the reader's grandma love this book.

单项选择题