2020-2021学年新教材高中英语 UNIT 1 SCIENCE AND SCIENTISTS Period 1课时作业(含解析)新人教版选择性必修第二册.doc
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1、UNIT 1Period One题组A基础练(建议用时:8分钟)单词拼写1Customs officials have made a series of _(相互矛盾的) statements about the equipment. 2You have to have_(证据;证明)of residence in the state of Texas, such as a Texas ID card. 3He is _(沮丧的) that his work has not gone very well recently. 4The boy died of _(数量多的) injuries,
2、and everyone here felt sad for him. 5We import _(生的;未加工的) materials and energy and export mainly industrial products. 6The media put their every decision under the _(显微镜)7Many poor _(家庭) are experiencing real hardship. 8Population growth is _(减少) by 14% each year. 9In remote regions, the air is _(纯的
3、;干净的) and the crops are free of poisonous insecticides. 10Official _(数据) show real wages declining by 24%. 【答案】1contradictory2proof3frustrated4multiple5raw6microscope7households8decreasing9pure10statistics单句语法填空1Instead of _ (blame) the child who had broken the vase, she gave him a tolerant smile an
4、d let him go. 2After he grew up to be a _ (science), he liked to do scientific experiments to test his ideas. 3See, your computer has broken down again!_ doesnt make sense to buy the cheapest brand of computer just to save a few dollars. 4This phenomenon is neither good _ bad; it is a fact of colleg
5、e life,today and in the past. 5She _(suspect) that one of her three daughtersthen ten, eight, and sixhad picked it up, but the girls said they hadnt. 6Join in the holiday fun at the Powerhouse this month _ (link) to our new exhibition. 7However, when she hung up, she regretted the way she _(handle)
6、the call. 8On September 11, 1933, famous physicist Ernest Rutherford stated, with confidence,“Anyone who experts a source of power in the _(transform) of these atoms is taking moonshine. ”9Their child is at the stage _ she can say individual words but not full sentences. 10Dont be too severe _ other
7、s errors. 【答案】1blaming2scientist3It4nor5suspected6linked7had handled8transformation9where10on题组B提升练(建议用时:30分钟)阅读理解Plastic is one of the most important technological discoveries of the 20th century. However, German scientists are certain that this material may soon be replaced. The new development li
8、quid woodcan replace plastics in all branches of modern industries. Plastic as a material enjoys the biggest demand in the modern world, but it does have a number of disadvantages. First, plastic is not recyclable. Second, it contains poisons that can cause cancer. Finally,plastic is made of oil, wh
9、ich is not endless. The liquid wood technology is able to replace plastic and providing mankind with new materials for many years ahead. Arboform is a new material, which can be got from soft tissues(组织) of wood. Once mixed with several other ingredients(成分), it turns into solid and nonpoisonous mat
10、erial. The woodworking industry separates wood into three basic things including lignin(木质素), which is not used for the production of paper. Specialists of the Faunhofer Institute mixed lignin with several natural materials and thus invented the material which could be melted and moulded(铸造)When sol
11、id arboform looks like plastic and possesses the qualities of wood,it can be used for the production of any items. Arboform is already used for the production of car parts. However, the new invention does not enjoy a wide use due to the high content of sulphur(硫) in it. German researchers believe th
12、at they will be able to reduce the amount of sulphur by 90 percent very soon to make arboform usable for home needs. In addition, liquid wood can be recycled repeatedly. The analysis of arboform showed that the material had all of its qualities even if it was reprocessed ten times. ()1From the passa
13、ge we learn that liquid wood _. Ahas replaced plasticBis made from natural oilChas been widely used in householdDcan be recycled repeatedly()2It can be concluded that German researchers will focus their future work firstly on the _. Amaterials wide useBcontent of sulphur in arboformCproduction cost
14、of arboformDqualities of liquid wood()3Which of the following is NOT true?ALignin contains poisons that can cause cancer. BPlastic does harm to our society in many ways. CThe liquid wood helps to protect our environmentDArboform isnt usable for home need at present. ()4The best title of the passage
15、should be “_”APlastic Has a Number of DisadvantagesBA New MaterialPlasticCLiquid Wood to Replace PlasticDHow to Protect Arboform【语篇导读】尽管塑料是20世纪最重要的科技发明之一,但德国科学家确信它很快就会被一种新型原料所代替,你知道这种原料是什么吗?1D细节理解题。根据最后一段第一句 “liquid wood can be recycled repeatedly”可知D项正确。2B细节理解题。根据文章倒数第二段可知,如果用 “liquid wood”代替塑料,科学家
16、首先考虑的是应该如何去除“liquid wood”里面高含量的硫。3A细节理解题。文章中没有介绍木质素有致癌的毒素。4C主旨大意题。本文主要说明了一种新型材料“liquid wood”将会代替塑料,所以C项可作文章的标题。完形填空Parents feel that it is difficult to live with teenagers. Then again, teenagers have_1_feelings about their parents, saying that it is not easy living with them. According to a recent r
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