Unit 3 Computers 课时作业(二)I单词拼写1 Snow is_(常见的)in cold countries2 Can you _(估计)the cost of this journey?3 The _(分析)of the samples on the murder spot showed some valuable clues to the police4 I shall go and see him_(无论如何) 5 Hes some kind of_(数学)genius6 He is too s_ to work out such a difficult problem7 He asked his fathers o _about his plans8 How are you going to d_ with the letter?9 I_ agree to your plan1 0 This is a t_ beautiful picture短语翻译11听起来简单 1 2技术革命1 3人工智能 1 4作为 开始 15解决问题 16一个头脑简单的人17数学问题 1 8被完全改变了1 9与 信息共享 20为人类服务21处理 22老百姓23常识 24在我看来25公众舆论 26分析法27与 共居一室 28与有关29 (从旁)走过 30使生效句型转换31 What did you do With the letter?_did you _ _ the letter?32 Since then，billions of people have used computers to deal with informationSince then，computers _ _ _ _ billions of people to deal with information33 People brought computers into their homes in the 1 9 70 sComputers_ their homes in the 1 970s34 With time going by，he becomes more and more intelligent_ time_ _ ，he becomes more and more intelligent35 I began only as a machine that was used for calculating in 1 642 in FranceI began only as_ _ _ in 1642 in France单项填空36 In_ opinion，LinTao is a good studentAme Bwe C my Done37 I began only as a _ machine in 1 642 in France.Acalculate Bcalculates Ccalculated Dcalculating38 In the early 1 960s，they gave me a family_ by a networkAconnect Bconnects Cconnected Dconnecting 39 Though he had often made his little sister_ ，today he was made by his little sisterAcry；to cry Bcrying；crying C。cry；cry Dto cry；cry40The surface of the table_Afeels soft Bfeels softly Cis felt soft Dis felt softly41 The sun shines brightly in the sky，_us warm and heatAto give Bgiven Cgiving Dbeing given42 It is_ quiet in the room that you can hear the drop of a pinAverv Bso Csuch Dtoo43 The coach tried to_ the cause of our defeatAanalysis Banalytically Canalytical Danalyze44 As time_，she became more and more anxious about her sons safetyApassing Bgoing by Cpassed Dgoes by45 The five children are_ the big melon happily Asparing Bbearing Csharing Dstaring46 They have a lot _and became good friends very soonA in common B. in case C.in surprised D.in interest47.一 HOW many elephants have you seen?_ANo one BNone CNot many ones D Not many48-Your suggestion _good，but it isnt practicalAsounds Bhears Clistens to Dlistens49 What he said sounds_Anicely Bpleasantly Cfriendly Dwonderfully50 Where _the two roads_?Aare；joined Bdo；join Care ；connected Ddo；connect阅读理解AIn the 60s，people asked about your astrological sign(星相) In the 90s，they want to know your website(网址)These days，having a web address is almost as important as a street address. Your website is an electronic meeting place for your family，friends and potentially(潜在的)，millions of people around the worldBest of all，you may not have to spend a centThe web is filled with all kinds 0f free services and all it takes is some time and creativity.Think of your home page as the starting point of your websiteLike the table of contents ot a book or magazine，the home page is the front doorYour site can have one 0r more pages depending on how you design it While web pages vary greatly in their design and content，most use a traditional magazine layout at the top of the page is a banner(横幅)GRAP HICNext comes a greeting and a short description of the sitePictures，text，and links to other websites follow.Before you start building your site，do some planningThink about whom the site is for and what you want to sayNext ，gather up the material that you want to put on the site-draw a rough layout on a sheet 0f paper While there are no rules you have to follow，there are a few things to keep in mind : Start simply If you are too ambitious(雄心勃勃)at the beginning you may never get the site off the groundYOU can always add to your site.Less is better Most people dont like to read a lot of text online Break it into small pinchessmaller is better Most people connect to the Internet with a modem(调制解调器)Since it can take a long time to download large image files，keep the file sizes small Have the rights Dont put any material on your site unless you are sure you can do it legally（合法 的） Learn the Nets Copyright Article for more about this。Now its time to roll up your sleeves(袖子)and start building. Learn the Net Communities provides tools to help you build your site51 The main purpose of the author in writing the passage is to tell you_.Awhat a website is like Bhow to build your own websiteChow to meet people o