问题 问答题 简答题

竖立龙门架有哪些要求?

答案

参考答案:

其要求是:

(1)龙门架立起后,应将缆风绳和龙门架的底脚同时固定牢固,如果是木龙门架,其底脚要埋入土内不小于1.5m。

(2)龙门架高度在12m以下者,应设一道缆风绳;高度在12m以上者,要每递增5~6m增设一道缆风绳,每道不少于6根,与地面成45°夹角。

(3)在条件许可的地方可每层用杉杆和8号铅丝与建筑物连接牢固,以增强龙门架的稳定性。

(4)龙门架竖立后必须校正,导轨的垂直度及间距尺寸的偏差不得大于±10mm,龙门架的安全装置必须齐全,使用前必须试运转,试运转检查无问题后,才能正式使用。

阅读理解

What kind of life do you want? And what would you do if you were born with an illness like Cystic Fibrosis (囊胞性纤维症)?Charley was such a man.He was born with Cystic Fibrosis, a serious disease of the muscles.Without properly functioning muscles, eventually you’re unable to breathe.However, Charley was fortunate to have many care- givers, including his wife who helped him a lot.He became an engineer and helped plan structures that would allow streets and buildings to give better access to the disabled.Charley couldn’t live without a wheelchair, and could only use one hand to move it.His speech was also difficult to understand.However, Charley had a sharp mind.He could see, hear, use a few fingers and think, and that was enough to allow him to make an important contribution to his city.He made those around him more aware of their physical health.

In the movie JackandJillvs.theWorld, Jill is a 25-year-old girl who has just arrived in New York City.She has Cystic Fibrosis, but she doesn’t let it control her life.She’s happy, in fact! She meets a young man, Jack, and changes his life forever.One day she has to tell him about her illness.He’s angry and disappointed, but later he realizes that it’s their relationship that matters.They decide to be together, and live as happily as possible.

Charley’s story is true.Jack and Jill’s story is made up.How do you want to live your life? Use your imagination, and enjoy your life and all its wonders.Create your picture of a happy life.

小题1:The writer uses the two questions at the beginning of the passage to _____.

A.test the readers’ attitude about life

B.draw the readers’ attention to the topic

C.invite the readers to answer them

D.tell readers how to make a living小题2:About Charley, which of the following is TRUE?

A.He is a father of two boys.

B.He can live well without wheelchair.

C.He is a lucky because many people give him care.

D.He can speak as others do.小题3:From the passage, we can infer that _____.

A.health is the origin of happiness

B.the attitude to life decides your happiness

C.Cystic Fibrosis a serious disease of the muscles

D.Charley’s story is made up小题4:The film JackandJill vs.theWorld is set in _____.

A.three young people

B.New York City

C.Paris

D.a place that we don’t know

名词解释