问题 单项选择题

在冬季,人们往往容易鼻子出血,因而常常在房间的地上洒一些水,或在室内放一盆清水、挂一些湿毛巾等。对以上做法最合理的解释是()

A.北方天气冬季寒冷,室内有暖气,人们觉得热得受不了

B.医学研究证明,冬季室内空气干燥,容易造成鼻腔血管壁的破裂

C.富有的人家中有加湿器,不用在室内挂湿毛巾、洒水或放置水盆

D.有些人患有特殊疾病,需要室内加湿,以预防疾病复发

答案

参考答案:B

解析:冬季气候干燥,干燥天气加速了人体的水份流失,人们经常会感到鼻腔干燥,引起鼻出血,在室内放清水和湿毛巾,可增加室内空气湿度。

阅读理解

阅读理解。

     David Moore taught science at the City School. He needed some expensive books, so he bought them. He

put the books in his car in a quiet street. Then he went to other shops to buy something else. At six he came

back to the car. One door was open and the books were not there. David drove home.

     That night he wrote a letter to a newspaper. The next day he went to the police station.

      On Friday people read this in the newspaper:

     Books: Have you any old books? I buy old and modern books.

     Open all day on Saturday. David Moore. 26 Fry Road.

     David stayed at home on Saturday. The first man came at eight. David took him to the kitchen (厨房). At

half past nine another man arrived. He had a bag under his arm.

     "Mr Moore?" the man asked.

     "That's right," David said."Can I help you?"

     "I've got some good books. You buy books, don' t you?"

      "Yes. Bring them in. Let me have a look."

     Soon the books were on the dining table." Come in now," David called," and bring the list." A policeman

came into the dining- room. He read the names on the books and the names on the list in his hand. They were

the same. "Come with me, sir," the policeman said to the man.

1. Mr Moore was a _____ .

A. bookseller

B. student

C. teacher

D. shopkeeper

2. The first man to David' s was a _____.

A. thief(小偷)

B. policeman

C. driver

D. cook

3. From the story, we know the second man _____.

A. is one of David' s friends

B. wants to return the the books to David

C. wants to show the books to David

D. has read the newspaper

4. Which of the following shows the right order of what happened to David?

a. He left his car in a quiet street.

b. He went to the police station.

c. He wrote a letter to a newspaper.

d. He bought some dear books.

e. He bought something else at other shops.

A. a,b,c,d,e

B. e,d,c,a,b

C. d,a,e,c,b

D. c,d,e,a,b

5. David probably (可能)bought the books on _____.

A. Wednesday

B. Friday

C. Saturday

D. Sunday

单项选择题