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Computer technology(技术)has become an important part of people’s life.
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This technology has its own special words.One well-known computer word is Google.It is the name of a popular “search engine(引擎)” for the Internet.
People use the search engine to find information about almost any subject on the Internet.The people who started the company named it Google because in math Google is very large number----one hundred zeros follow the number one.When you “Google” a subject,you can get a lot of information about it.
If you Google someone,you might find that person’s name on a blog.A blog(博客)is short for a Web log.It is a personal Web page.Some people write blogs to express their opinions and ideas over the Internet.Some use them to share their lives with faraway friends or family.Others write blogs to help them deal with sickness,money problems or to choose movies to see or books to read.Some people add information to their blogs every day.People who have blogs are called bloggers.
根据短文内容,判断句子的正(T)误(F)。
( )1.Google and B log are two kinds of popular search engine.
( )2.One can use Google to search the Internet for all information he wants.
( )3.People may use Google to share their opinions or ask others for help.
( )4.Bloggers should add information to their blogs every day.
( )5.From the passage we can infer(推断)that computer technology is changing people’s life.
查看习题详情和答案>>阅读技能,阅读判断,阅读短文,判断下列句子是否符合短文内容。符合的选T,不符合的选F。
My dream jobWhen I grow up, I'm going to do what I want to do.I'm going to move somewhere interesting.Paris(巴黎)sounds like a city that I could enjoy.There are lots of art exhibitions(艺术展)there.I want to be an artist.So how am I going to do it? First, I'm going to find a part-time job for a year or two and save some money.And I'm going to be a student at art school in Paris.And I want to learn French at the same time.Next, I'm going to hold(举办)art exhibitions because I want to be rich and buy a big house for my parents.I also want to travel all over the world.One day, I'm going to retire(退休)somewhere quiet and beautiful.
1.Paris sounds like a city that I could enjoy.
2.I want to be an artist.
3.I want to learn English at the same time.
4.I want to be rich and buy a big house for my parents.
5.I don't want to travel all over the world.
(1)在培育转人生长激素基因牛的过程中,①过程需要的工具酶是 ,
②过程常用的方法是________。③过程培养到 阶段,可以采用________技术,培育出多头相同的转基因犊牛。
(2)在抗虫棉培育过程中,④过程中的受体细胞采用愈伤组织细胞与采用叶肉细胞相比较, 其优点是________________,⑤过程采用的技术是 ,该技术中,愈伤组织细胞可通过在液体培养基中形成单个胚性细胞,利用胚性细胞再分化形成的_____________可制成人工种子或发育成植株。但连续传代培养后,胚性细胞全性可能降低,从细胞内部看,主要原因是传代过程中发生_____________ 等变化。 查看习题详情和答案>>
(1) 在此过程中涉及到的细胞水平现代生物技术手段主要有_________________________。
(2) 在基因工程中,我们称②为________________,能实现②进入③的常用方法是________________。若在植物细胞工程中,则采用最多的方法是 。
(3) 图中①一般经______________处理可以得到③,从③到④的过程中一般利用去核后未受精的卵细胞作为受体,而不用普通的体细胞。
(4) ⑦是⑥的后代,那么⑦的遗传性状和____________最相似。如果②的数量太少,常用_________来扩增。要实现⑦批量生产血清白蛋白,则要求③的性染色体是_____________。 查看习题详情和答案>>