我们家庭中的电视机正常工作的电压为V，它与家中其它用电器是连接的(选填“并联”或

“Cool” is a word with many meanings．Its old meaning is used to express a temperature that is a little bit cold．As the world has changed，the word has had many different meaning．

“Cool” can be used to express feelings of interest in almost anything．When you see a famous car in the street，maybe you will say，“It’s cool．”You may think，“He’s so cool，”when you see your favourite footballer．

We all maximize（扩大） the meaning of “cool”．You can use it instead of many words such as “new” or “surprising”．Here’s an interesting story we can use to show the way the word is used．A teacher asked her students to write about the waterfall（瀑布）they had visited．On one student’s paper was Just the one sentence，“It’s so cool．Maybe he thought it was the best way to show what he saw and felt. But the story also shows a scarcity（缺乏）of words．Without “cool”，some people have no words to show the same meaning．So it is quite important to keep some credibility（可信性）．Can you think of many other words that make your life as colourful as the word “cool”？ I can．And I think they are also very cool．

小题1:We know that the word “cool has had ________.

A．only one meaning     B．no meanings    C．many different meanings   

小题2:In the passage，the word “express” means “________”.

A．see                 B．show          C．know     

小题3:If you are _______ something，you may say，“It’s cool．”

A．interested in          B．angry about       C．afraid of          

小题4:The writer takes an example to show he is ________ the way the word is used．

A．pleased with          B．strange to        C．worried about       

小题5:In the passage，the writer suggests（暗示）that the word “cool”________．

A. may not be as cool as it seems

B. usually means something interesting

C. can make your life colourful

某公司2007和2008年末的比较资产负债表有关数据如下：

 要求：

将以上比较资产负债表填写完整；

通过提倡使用避孕套、促进安全性行为来防止HIV的传播属于（）

A.一级预防

B.二级预防

C.三级预防

D.常规报告

E.哨点监测

10KV首端发生短路时，（）保护动作，断路器跳闸。

当负荷升至（）％额定负荷以上，且燃烧稳定时，应进行全面吹灰一次。