1. There is no doubt that computers are very useful in technology and business .(1) There is no doubt that 毫无疑问. 如：There is no doubt that you made a great mistake. 毫无疑问的你犯了一个大错误。2. Since the internet came into being , peoples lives at home have changed, too.(1)come into being 形成，出现 如：SARS came into being in 2003 and Bird flu in 2005. 2003 出现了非典，2005出现了禽流感。3 For instance, if we work on computer too long, we may get headaches or sore eyes. (1) instance n. 例子，实例 如：I haven他found啊single instance that someone said dirty words in our class. 在我们班里，我还没有发现说脏话的例子。(2) for instance = for example 例如 如：For instance, we can communicate with each other by chatting online. 比如，我们可以通过网上聊天互相交流。【基础知识过关】I.短语1.毫无疑问._ 2.在某人的帮助下_3.保持某人做某事_ 4.对.有危害_5.形成_ 6.幸亏，由于_ 7.购物，做生意_ 8.网上聊天_ 9.被联系起来_ 10. 把.连在一起_11. 交换信息_II. 单项选择( )1.English and computer _ to man fields.A. use widely B. has widely used C. used widely D.are widely used( )2.You can draw a picture for me in five minutes , but you kept me _ for two years.A. to wait B. for waiting C. waiting D. wait( )3.More and more young people communicate _ sending e-mails.A. in B.by C. with D. to( )4.There is no doubt _ he has made great progress in his study.A. why B. whether C.that D. when( )5.The life of human beings has changed a lot since the first computer _A. happened B. took place C. came into being D. came about【综合能力提升】I.单项选择( ) 1More and more people like to communicate on line instead of _ letters.A.write B.to write C. writing D. wrote( ) 2.Youd better keep the windows _ when you sleep.A.open B. opens C. opening D. are open( )3._ Miss Huang. I passed the exam easily.A.Thanks B. Thanks to C. Thanks for D. Thank you( )4._ my father help , I have learned much knowledge.A. Under B. In C. With D. On ( )5.People communicate _ each other _ sending e=mails and _ on line.A. by; through; chat B. to;with;chatting C.with;with;chatting D. with;through;chatII阅读理解A young man asked Albert Einstein , the great German scientist , what the secret of success is. The scientist told him that the secret of success is hard work. A few days later the young man asked the same question again . Einstein was very annoyed He did not say anything ,but wrote a few words on a piece of paper . On it was written: A=X+Y+Z.“What does this mean ?” asked the young man .“A means “ success” explained the old scientist . “X stands for hard work ,Y for good method (方法)and Z Z means stop talking and get down to work.”The young man _.A. wanted to meet EinsteinB. wanted to be a great scientist like EinsteinC. was eager (渴望) to know the secret of successD. wanted to be a student of EinsteinIn Einsteins opinion the secret of success was _.A. to work with great energy (精力，活力)B. to study hard day and night C. to learn from great scientistsD. to raise (提出)questions as many as you could“Y” stands for _.A. hard work B. great energy C. great success D. good manner(方法)The word “annoyed” means _.A. angry B. sad C. lovely D. gladEinstein was a man who _A. liked to talk with young peopleB. liked to help othersC. liked to make friends with young peopleD. liked to work , but didnt like to talk【中考考点链接】1. (2013 重庆) Lin Feng made faces _ the girls happy. A. make B. made C. making D. to make