工件的六个自由度全部被限制称为完全定位。

题型:判断题

问题:

工件的六个自由度全部被限制称为完全定位。

考点:机械工程师机械基础知识综合练习机械基础知识综合练习题库
题型:判断题
阅读理解。
     The following is some information about the programs of two channels(频道). Here you can watch any program you like.
Sunshine TVLife TV
18:30 Children’s World: Hello Kitty
19:00 Today’s News
19:30 Weather Report
19:40 Food and Health
20:10 Drama Serial(连续剧): Romance of the Three Kingdoms
21:25 Game Show: Lucky Winner
22:00 China Music TV
23:00 Programs Next Week
18:00 TV Classroom: English Around the World
18:30 A animal World                             
19:00 Documentary: In China
19:40 News in English
20:10 Sports World: Ping-pong Match (China vs Japan
22:00 Talk Show
22:30 News every Day
23:00 English Movie: Roman Holiday
1. Children would like to watch _________ on _________TV at 6:30 pm.       
A. Talk Show, Sunshine          
B. Talk Show, Life
C. Hello Kitty, Sunshine          
D. Hello Kitty, Life
2. To improve your English, you could watch _________at _________ every day.
A. English Around the World, 18:00      
B. Today’s News, 18:30
C. News in English, 19:30              
D. Roman Holiday, 22:30
3. Tom would watch _________at 20:10 on Life TV.
A. Romance of the Three Kingdoms    
B. Lucky Winner
C. Programs Next Week              
D. Sports News
4. John likes to watch news on TV. But he has to go to sleep before 23:00. How many news programs would he watch on Life TV?     
A. One.          
B. Two.          
C. Three.        
D. Four.
5. From this article, we can know_________.     
A. China Music TV is a program for old people.
B. there are three programs before 19:00 on Life TV.
C. there would be a movie at 23:00 on Life TV
D. there are ten different programs on Sunshine TV.
题型:判断题

非洲最高峰——乞力马扎罗山是著名的“赤道雪山”,在20世纪初,有许多欧洲人不相信他的存在,你知道导致其顶部出现积雪的原因吗? [ ]

A.纬度因素

B.海陆因素

C.地势因素

D.洋流因素

题型:判断题

血液的有形成分是指()

A.血液所有成分

B.血清

C.血细胞

D.纤维蛋白原

E.凝血因子

题型:判断题

阅读短文,根据每小题的具体要求回答问题。请将答案写在答题卡上的规定位置。(共5小题;每小题2分,满分10分)

Ashley Power’s mother bought a computer for her when she was eight. When she was thirteen, she was surfing the Internet regularly, but she couldn’t find anywhere for teenagers to meet and talk. And one day she thought, “If I had my own website, I’d make it a really interesting site for teenagers.”

  So, when Ashley was sixteen, she launched her own website, called Goosehead. She had no idea how big a success it would be, but three years later, the site was the most successful teen site in the USA! It was getting 100,000 hits every day, and Ashley had about 30 employees.

  After a few years, the website closed down. Then Ashley, who lives in Los Angeles, was asked to write a book called The Goosehead Guide to Life. The book is about how to design a website and start a business. It begins with a section called “All About Ashley,” where Ashley tells readers what it is like to be the boss of a company when you are only sixteen. “I was so happy. But it was crazy in a lot of ways. I got very stressed. I mean, I was only sixteen—I didn't even have a car! If you were sixteen and you had your own company, you'd be stressed, too!”

In an interview Ashley gave advice to teenagers who wanted to start their own business, “Just be strong and have your dreams and work hard at them. And don't listen when _______, because I heard 'no' a lot. Just keep going until you hear 'yes'!”

小题1:For what purpose did Ashley create GooseHead?  (no more than 10 words)

小题2:What is the main idea of Paragraph 2?  (no more than 6 words)

小题3:According to Paragraph 3, what did Ashley do after GooseHead closed down?  (no more than 10 words)

小题4:How did Ashley feel as a young boss of a company?  (no more than 5 words)

小题5:Fill in the blank in Paragraph 4 with proper words.  (no more than 10 words)

题型:判断题

在冲突化解中,说明问题不包括以下的()内容。

A.试图达成的标准

B.试图达成的目的

C.过程

D.加重疑惑

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