Unit 5 Canada-“The True North”Section Warming Up & Reading-Language Points.单句语法填空1My kids spend hours (chat) on the phone with their friends.2The (scene) of the West Lake is beautiful beyond description.3The woman is (slight) worried about her son.4Id like to bring up my children in healthy (surround)5There are seven (continent) in the world，of which Asia is the largest.6 (measure) must to be taken to protect the environment we are living in.7Vancouver is a (Canada) city，the most beautiful city of Canada.8Dont leave matches or cigarettes on the table reach of little children.9I was wandering in the street when I caught sight my former boss.10He has an 18yearold daughter who has a great gift singing.【答案】1.chatting2.scenery3.slightly 4surroundings5.continents6.Measures 7Canadian8.within9.of10.for.单句改错1Who is the old man surrounding by a group of children on the playground. 2The faces of four famous American president on Mount Rushmore can be seen from distance of 60 miles. 3They went board the ship just before it started to leave. 4You should take effective measure to improve your working conditions. 5Rather than to stay at home，Id prefer to be a volunteer. 【答案】1.surrounding改为surrounded2distance前加“a”3.board改为aboard或went后加“on”4.measure改为measures5.去掉stay之前的“to”.阅读理解Scientists say enough energy is being wasted in the oil and gas fields of Texas every year to provide electricity to one hundred thousand homes.Businessman Loy Sneary says he is using that waste to create a company called Gulf Coast Green Energy.Mr.Sneary says sixty percent of all energy produced in the world today is being lost as wasted heat.He wants to collect some of that heat fromamong other placesthe thousands of oil and gas wells in Texas，and turn it into electricity.Mr.Sneary says，“Weve got more electricity that could be produced than all of the coalfired power plants，natural gasfired power plants and nuclear power plants in the world.”Deep underground，the earth is hot.If you drive a drill down into hard rock，the drill gets hot.Mr.Sneary uses his “Green Machine” technology to help collect the energy that is produced when heat meets cold.The machine moves the hot well water through one pipe next to another filled with a cooling material called refrigerant (制冷剂)This refrigerant boils，and steam is produced.This steam is used to make electricity.It is not just oil and gas wells that can provide waste heat for the Green Energy machines to use to make electricity.The heatrecycling technology can work with solar energy collectors，coalfired power plants and enginesalmost any industrial process that produces wasted heat.Last year，Mr.Sneary connected his “Green Machine” to the boilers at Southern Methodist University in Dallas，Texas.He used the boilers wasted heat to create electricity，helping to reduce the universitys bills.Maria Richards is SMUs Geothermal Laboratory Coordinator.She says the labs temperature maps help Mr.Sneary find hot areas near oil drilling operations.Those areas are where Mr.Sneary can use his machines.The school and Gulf Coast Green Energy have worked together for several years.1According to the text，Gulf Coast Green Energy is mainly to Acollect much wasted heat onlyBuse coal to make electricityCturn wasted heat into electricityDmake full use of nuclear power【解析】细节理解题。根据文章第一段第二句以及第二段第二句话可知，Gulf Coast Green Energy主要是搜集废弃能源并用其发电。【答案】C2Gulf Coast Green Energy will have a good future because Aits easy to collect wasted heatBthere is much wasted heatCits cheap to collect wasted heatDenergy resources become fewer【解析】推理判断题。根据文章第二段的“Mr.Sneary says sixty percent of all energy produced in the world today is being lost as wasted heat.”可知，有很多被浪费的能源供他搜集用以发电，所以这个公司前景广阔。【答案】B3How does the“Green Machine”technology work according to the text?Arefrigeranthot well watersteamelectricityBrefrigerantsteamhot well waterelectricityCsteamhot well waterrefrigerantelectricityDhot well waterrefrigerantsteamelectricity【解析】细节理解题。根据文章第四段后半部分可知，这个机器让hot well water经过管道与refrigerant作用，之后变成steam然后产生electricity。该技术主要用废弃的能量来发电，故第一步应是用废水与制冷剂反应，排除A。【答案】D4What would be the best title for the text?AGulf Coast Green EnergyBTurning Wasted Heat into ElectricityCLoy Snearys New DiscoveryDCollecting Wasted Heat【解析】标题概括题。本文主要是介绍Loy Sneary创立的公司搜集废弃的热能，并把它转化为电能，故B项最适合作为本文标题。【答案】B.完形填空【导学号：97770045】Joe Biggs was a butcher.His shop was