问题 单项选择题

某一住宅建筑,外墙采用2砖墙,该外墙的热惰性指标D=6.627,如室外计算温度为-20℃,外墙内表面与室内空气允许温差为6℃,则围护结构最小传热阻为()(m2·K)/W。

A.0.756

B.0.728

C.0.836

D.0.652

答案

参考答案:B

解析:

取室内温度为18℃,当D>6时,围护结构冬季室外计算温度等于采暖室外计算温度,即-26℃,则:

=0.728(m2·K)/W。

阅读理解

Chicago  On  a  Budget

How to have fun in Chicago without spending a lot of money?

Sightseeing

○ The Art Institute of Chicago has a fine collection of photos and paintings. The ticket is $10.00,but go on Tuesdays and you’ll get in free(免费).

○ The Sears Tower is the world’s third tallest building. By going to the 103rd floor, you can get a great view of the whole city! All for only $8.50.

○ There are free concerts in Grant Park in summer. They are held Wednesday through Saturday night at 7:30 p.m.

○ Attend the taping of a TV show for free. The Oprah Winfrey Show and The Jenny Jones Show both offer tourists free tickets. For The Oprah Winfrey Show you’ll have to book tickets at least a month before.

Places to stay

You can get a hotel for $100 to $ 300 a day. However, you can get a room in the dormitory(宿舍) at Roosevelt University for $215 for a whole week! But you have to stay for 30 days to get this great rate(优惠).

小题1:This passage is written for telling us ___________.

A.Chicago is a big and beautiful city

B.where we can see fine photos and paintings

C.how to make a cheap trip in Chicago

D.there are many free concerts in Chicago小题2:It will cost you _________ if you visit the Art Institute instead of the Sears Tower on Sundays.

A.more

B.less

C.the same

D.none小题3:You may go to ________ if you like to get a great view of the whole city.

A.the Art Institute

B.the Sears Tower

C.Roosevelt University

D.Grant Park小题4:You have to spend at least _____________in all to stay in a dormitory room at Roosevelt University at a good rate.

A.$100

B.$300

C.$215

D.$860小题5:According to this passage, which of the following statements in NOT TRUE ?

A.You are free to go to the Art Institute on Tuesdays.

B.Free Grant Park concerts are held four nights a week in summer.

C.The Sears Tower is the world’s third tallest building.

D.You can get tickets to The Oprah Winfrey as soon as you arrive.

单项选择题 A3/A4型题