问题 单项选择题

在进行外围护结构的隔热设计时,室外热作用应该选择()。

A.室外空气温度

B.室外综合温度

C.太阳辐射的当量温度

D.最热月室外空气的最高温度

答案

参考答案:B

解析:根据夏季隔热设计的特点,室外热作用不仅需要考虑室外温度的作用,而且不能忽略太阳辐射的影响,因此应该选择室外综合温度。

阅读理解

阅读理解

     Jeff  Keith has only one leg. When he was 12 years old ,Jeff had cancer . Doctors had to cut off most of his right

leg.

     Every day Jeff puts on an artificial(人造的) leg. The leg is plastic. With the plastic leg Jeff can ski ,ride a bicycle,

swim and play soccer. He can also run.

     Jeff made a plan with his friends who had plastic legs, too. They decided to run across America. They all wore

special T-shirts. On it was "Run ,Jeff, Run ,Jeff Keith's Run Across America."

     When he was 22 years old,Jeff  Keith ran across the United States from the east to the west. He started running

in Boston. Seven  months later ,he stopped running in Los Angeles . He ran 3200 miles. Jeff wore out 36 pairs of

running shoes and five plastic legs. Jeff stopped in cities on the way to Los Angeles. In every city people gave

Jeff money .The money was not for Jeff ,but for American Cancer Society .The Society used the money to know

more about cancer .

     On the way to Los Angeles Jeff talked to people about cancer. Jeff is disabled ,but he can do many things. He

finished college and is studying to be a lawyer .Jeff says,"People can do anything they want to do .I want people

to know that I ran not only for disabled people ,I ran for everybody."

1. Jeff's right leg was cut off  because of  the ________.

A .TB

B. an accident

C. cancer

D. hurt

2. Jeff's friends ran across America with him .They all have no ________.

A .T-shirts

B. legs

C. shoes

D. bicycles

3. The sentence "I ran for everybody " means ________.

A . he wants to get more artificial legs

B . people can do anything they want to

C . some disabled men will become lawyers

D . disabled people can also run  

名词解释