组和逻辑电路的基本分析方法是什么?

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问题:

组和逻辑电路的基本分析方法是什么?

考点:无线电装接工考试中级无线电装接工中级无线电装接工题库
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消费者寻找商品信息的主要来源有:()。

A.个人、商业、大众、经验

B.父母、广告、商店、同学

C.朋友、推销商、工厂、邻居

D.熟人、电视、报刊、同事

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新斯的明的作用机制是()

A.抑制胆碱酯酶

B.激活胆碱酯酶

C.抑制磷酸二酯酶

D.激活磷酸二酯酶

E.抑制肝药酶

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PART THREE READING COMPREHENSION

Directions: Read the following three passages. Each passage is followed by several questions or un­finished statements. For each of them there are 4 choices marked with A, S, C and D, Choose the one that fits best according to the information given in the passage.

A

Matt Scott, who was born with spina bifida (脊柱裂),grew up in Detroit, Michigan, where he participated in a variety of sports alongside his healthy friends. Now as a member of University of Wis­consin -Whitewater wheelchair basketball team, Scott has won four national championships, and hats' recently been selected to the Paralympic team for the second time. The 23 ― year 一 old college senior owes his achievements to his hard work and the support of his friends and family, who never allowed him to use his disability as an excuse. "My mother was always great. Whenever I felt giving up, she had no sympathy. She really helped me build my independence by not babying me the way other mothers would have," Scott says.

It was Scott' s independent nature and strong will, along with his on - the - court skills, that at­tracted the attention of America's most influential sports apparel (衣服)company, Nike. Nike was searching for an athlete with a disability to represent its "Just Do It " trademark. A handful of super­star athletes with disabilities came to audition for the role, but the company picked Scott to star in the 30 一 second commercial.

"I think that they were looking for the prettiest face in America, and found me," Scott jokes about the selection process.

After being picked, Scott flew to California to film the commercial with Oscar - winning docu­mentary director Errol Morris. The ad gave Scott celebrity (名人)status in the community of disabled athletes. He's been asked to speak at a number of disability - related events, and feels it's his duty to use the media to draw attention to those with disabilities. "I've been given a voice, and I want to do whatever I can to break down the social barriers that are still faced by disabled athletes, and make people realize that they have a very high athletic level," Scott says.

56.When Scott was young,   •

A.he only played basketball with other disabled children

B.he became disabled during a basketball match

C.his friends looked down upon him during basketball matches

D.his mother didn't give him special treatment

57.Nike chose Scott to star in its commercial for his   ________.

a. pretty appearance       b. independent nature

c. strong will  d. excellent basketball skills

e. status in the community of disabled athletes

A. bee     B. ade     C. abd     D. bed

58.The underlined phrase "audition for " in the second paragraph means " ".

A. try out for  B. look out for        C. take on      D. pick out

59.Which of the following about Scott is TRUE?

A.He has graduated from the University of Wisconsin ― Whitewater.

B.He thinks it's unwise for the disabled to use disability as an excuse.

C.He starred in a commercial together with Errol Morris.

D.He thinks it's important to have many goals.

60.To Scott, the most important result of the ad was that    .

A.it made people realize the athletic talent of the disabled

B.it gave him a chance to show his basketball skills

C.he could do more for disabled athletes

D.he was selected to the Paralympic team again

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2011年2月11日至13日,中 * * 政治局常委、国务院副 * * 李克强在贵州考察时强调,要按照党中央、国务院的决策部署,加大对欠发达地区扶持力度,坚持民生为先,在推进跨越式发展中更加注重保障和改善民生。党和国家重视、解决“民生问题”  [ ]

①表明中 * * 党始终代表最广大人民的根本利益

②表明党和政府以民为本,执政为民

③体现了社会主义的根本目的

④有利于建设全面建设小康社会和构建社会主义和谐社会    

A.①②③④    

B.②③④  

C.①③④      

D.①②③

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市场同质性低,意味着各细分市场相似程度()。

A.高

B.低

C.中等

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