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1、第七节第七节七年级（下）七年级（下）Unit 5Unit 6第一部分第一部分教材重点教材重点难点梳点梳理理目录contents重重难点梳理点梳理重点单词重点单词 重点短语重点短语 重点句型重点句型巩固巩固练习语法选择语法选择 完形填空完形填空 阅读理阅读理解解 阅读填空阅读填空 单词拼写单词拼写 完完成句子成句子重重难点梳理点梳理重点重点单词重点短重点短语重点句型重点句型目录contents1.滴；掉下；落下_ 2.旅行；旅程_ 3.数量_ 4.实验；试验_5.淡的；无盐的_ 6.盐_ 7.表示已连接、处于工作状态或使用中_8.嗓音；说话声_ 9.水库_ 10.增加；添加_ 11.化学品_重难
2、点梳理Listen attentivelyUnit5一重点单词dropjourneyreservoirquantity experiment freshsaltvoiceonaddchemical12.通过；穿过_ 13.管道_ 14.宝贵的；很有用的_15.有点；一点_ 16.银行_ 17.找给的零钱_18.归还_ 19.蒸气；雾气_ 20.形成；构成_ 21.搅拌_ 22.继续_ 23.结晶(体)_重难点梳理Listen attentivelyUnit5一重点单词throughpipe bankvaluablebitchangevapourreturnformcontinuestircry
3、stal1.电_ 2.谈话_ 3.确认；认出_ 4.规则_5.任何人_ 6.回答_ 7.愚蠢的_ 8.电线_9.(使)连接_ 重难点梳理Listen attentivelyUnit6二重点短语electricityconversation identifyrule anyonereply foolish wireconnect一重点单词二重点短语10.电缆_ 11.瞬间；片刻_ 12.电池_13.厨灶；炉具_ 14.冰箱_ 15.(用锁)锁上_ 16.测试_17.使整洁；使整齐_ 18.触摸；碰_重难点梳理Listen attentivelyUnit6二重点单词cablemomentbatte
4、rytidyfridgecooker testlocktouch1.一滴水_ 2.关掉_ 3.把加入_4.经过_ 5.从出来_ 6.有点；一点_7.的一部分_ 8.(父母给孩子的)零花钱_9.由组成_ 重难点梳理Listen attentivelyUnit5二重点短语a drop of wateradd.to. turn off travel throughcome out ofa bitpart ofpocket moneybe made up of10.干_ 11.使变成_12.洗盆浴_ 13.淋浴_ 14.而不是_重难点梳理Listen attentivelyUnit5二重点短语dry
5、upturn into have a bath instead oftake/have a shower 1.太阳能/水能/风能_ 2.一袋_ 3.在某种程度上_4.连接到_ 5.发电站_ 6.过了一会_7.洗衣机_ 8.电饭煲_9.关(电灯、机器等)_ 重难点梳理Listen attentivelyUnit6二重点短语solar/water/wind powerin a way a packet ofbe connected topower station a moment laterwashing machinerice cookerswitch off10.收拾妥；整理好_ 11.空调_
6、12.安全提示_ 13.电器_14.开(电灯、机器等)_ 15.引起火灾_ 16.确保_重难点梳理Listen attentivelyUnit6二重点短语tidy upsafety tipair conditioner electrical applianceswitch onstart a firemake sure重难点梳理Listen attentively三重点句型1.Having a bath uses about twice as much water as taking a shower.盆浴的用水是淋浴盆浴的用水是淋浴的两倍。的两倍。句型句型:表示次数的词+as+名词+as，意
7、为“是的几倍”。重难点梳理Listen attentively2.Remember not to waste or pollute me.记得不得不要浪要浪费、污染我。染我。句型句型: remember/dont forget+(not)to do sth.意为“记得/别忘了要做某事”，提醒对方要记得去做某事，经常在口语中出现。翻译：记得写邮件给我。Remember _ _ e-mails to me.to write重难点梳理Listen attentively3.其他好用的常用句型其他好用的常用句型:1)Then it was time for people to clean me.人们该
8、帮我清洁一下了。2)Dora turned the tap off and came out of the bathroom.朵拉关掉水龙头，从浴室里走了出来。3)About 70 % of the human body is water.人的身体70%都是水。4)Can you get me a packet of electricity?你能给带我一包电吗?重难点梳理Listen attentively5)Its like water,in a way.在某种程度上，它像水。6)Do not put your hand in the washing machine when it is o
9、n.当洗衣机开着的时候，不要把手放进去。巩固练习Listen attentively一、语法选择Many places in the world need more fresh water.Every country is trying to find ways to turn salt water _1_ fresh.Why _2_ there many factories like the Symi factory?In some places，the sun is not _3_.Or it does not shine every day.In such places，_4_ ways
10、 of heating sea water can be used.These ways cost_5_ money，but they work faster than the sun._6_ boiling sea water with high heat，a lot of fresh water can be made quickly.But _7_ is not the only way to get fresh water巩固练习Listen attentivelyfrom salt water.Other ways _8_.One way is freezing(冷冻).The fr
11、esh part of salt water freezes first.To get fresh water，the pieces of ice _9_ taken out. Which way is _10_? The one that gives the most water for _11_ money.It _12_ a different way for each place. Symis way seems very _13_ for small，hot places.It does not make very much water at a time.But the facto
12、ry is easy to be built and _14_ little.That is _15_ people in many dry places talk about Symi!( ) 1.A.to B.into C.off D.back( ) 2.A.isnt B.arent C.dont D.doesnt( ) 3.A.hot enough B.enough hot C.hotter enough D.enough hotter( ) 4.A.other B.others C.the other D.the others( ) 5.A.many B.much C.more D.m
13、ost( ) 6.A.In B.At C.By D.Though( ) 7.A.heat B.heats C.heated D.heating( ) 8.A.try B.are tried C.tried D.were tried 巩固练习Listen attentivelyBACCABDB( ) 9.A.is B.was C.are D.were( ) 10.A.good B.better C.best D.the best( ) 11.A.little B.less C.least D.the least( ) 12.A.may be B.maybe C.may is D.may are(
14、 ) 13.A.good B.well C.better D.the best( ) 14.A.cost B.costs C.costing D.to cost( ) 15.A.what B.when C.why D.how巩固练习Listen attentivelyDCDAABC巩固练习Listen attentively二、完形填空There is not enough oil in the world now.As time _1_，it becomes less and less，so what are we going to do when it _2_? Perhaps we wi
15、ll go back to using horses，carriages and bicycles.In the Second World War，some people didnt use gas _3_ petroleum(石油) in their cars.They made gas from wood and plants _4_.The car didnt go fast，but they ran，so this was better than nothing.However，in the future，we cant _5_ all our trees to make gas; w
16、e need our trees for other things，too.巩固练习Listen attentivelyBesides _6_ types of gas，we can also use electricity to run our cars，but first we must make the electricity! Some countries have coal and they make electricity with that，but we might not always have coal，_7_.Other countries have big，strong
17、_8_，and they can use the power of water to turn turbines(涡轮机) and make electricity more _9_ and cheaply.We are also able to get power from the ocean tides.We put turbines into the _10_ of the river.Then the tide comes in，the water turns the turbines and then it goes out，it turns them again.( ) 1.A.r
18、uns out B.goes by C.turns up D.comes up( ) 2.A.turns out B.comes out C.runs out D.takes out( ) 3.A.made of B.made in C.made by D.made from( ) 4.A.instead B.thus C.however D.though( ) 5.A.turn down B.put down C.settle down D.cut down( ) 6.A.different B.many C.several D.few巩固练习Listen attentivelyBCADDA
19、( ) 7.A.too B.also C.either D.neither( ) 8.A.lakes B.oceans C.streams D.rivers( ) 9.A.difficultly B.easily C.differently D.healthily( ) 10.A.mouth B.body C.head D.face巩固练习Listen attentivelyCDAB巩固练习Listen attentively三、阅读理解Napoga is a 12-year-old girl in Ghana，Africa.It is hard for her family to get c
20、lean water.Every morning，she leaves home at half past five to get clean water for her family in a village far away.It takes her six hours to get enough clean water for daily cooking and drinking.She has no time to go to school or to play with her friends.Millions of people in the world are like Napo
21、ga.They cant get enough clean water to keep healthy.Earth Day is April 22.But on all other days，we must also remember it.巩固练习Listen attentivelyThe water we use is the most important natural resource on the earth.Water covers 70% of the earths surface.But most of that is sea water.We cant use it for
22、very many things.Fresh water covers only 1% of the earths surface.You probably feel lucky that your life isnt as hard as Napogas.But that doesnt mean you dont have to worry about water.We all face serious water problems.One of them is water pollution.All kinds of things from cars，factories，farms and
23、 homes make our rivers，lakes，and oceans dirty.巩固练习Listen attentivelyHow do cars and factories make our water dirty? First，they pollute the air.Then，when it rains，the rain water comes down and makes our drinking water dirty.Dirty rain，called acid rain，is also bad for plants，animals and buildings.Scie
24、ntists say that in 30 years，more than half of the people in the world wont have enough clean water.We have to learn how to save more water for ourselves and our children.Here is some advice for saving water：Turn off the water while you brush your teeth.You can save as much as 450 liters each month.L
25、eaky taps(漏水的龙头) waste a lot of water.Fix them right away!巩固练习Listen attentivelyYou can easily cut your 10-minute showers(沐浴) in halfand youll be just as clean.When you wash dishes，dont let the water run.Only wash clothes when you have a lot to wash.If your washing machine isnt full，youre wasting wa
26、ter!( ) 1.Every morning Napoga went to get clean water _.A.before she went to school B.after she finished schoolC.without going to school D.after she played with her friendsC巩固练习Listen attentively( ) 2.On the earth，_.A.sea water is widely used than fresh water B.there is very little water for our li
27、vingC.there is 71% of fresh water D.we dont need to worry about water( ) 3.Acid rain _.A.is only bad for living thingsB.can be produced in factoriesC.doesnt do harm to people，but its bad for plants，animals and buildingsD.doesnt just do harm to human beings but to animals，plants and buildingsBD巩固练习Li
28、sten attentively( ) 4.Which of the following wastes water?A.We need ten minutes if we want a clean shower.B.We should put in enough clothes when we wash them in washing machines.C.You can keep yourself clean by having a shower for five minutes.D.Dont let the water run when we brush our teeth and was
29、h dishes.A巩固练习Listen attentively( ) 5.Whats the main idea of the passage?A.Something must be done to prevent water from being polluted.B.Clean water means much to human beings and living things around us.C.Its time to take care of the water we use.D.Water is the most important natural resource on th
30、e earth.C巩固练习Listen attentively四、阅读填空Sports can help you keep fit and close to nature.1._ Some sports are bad for environment.Golf，as you may know，eats up not only large areas of countryside，but also lots of water.Besides，lots of energy is used to keep its courses (球场) in good condition.2._ For exam
31、ple，in the dry places of Spain，golf leads to serious water shortage (短缺) in some places.CA巩固练习Listen attentivelyThere are many environment-friendly sports.Power walking is one of them.You dont need any special equipment except a good pair of shoes.3._ Simple and free，power walking can also help you
32、stay healthy.If you walk regularly，it will be good for your heart.4._ You can take part in these environment-friendly sports.5._ Members of green sports play sports outdoors， in the countryside or other open space.And best of all，its free.DAE巩固练习Listen attentivelyA.This causes major environmental ch
33、anges.B.You dont have to worry about energy and your money.C.However，the sport you choose might have great influence on the environment.D.Experts (专家)say 20 minutes of power walking daily can make you sleep well and keep thin.E.They are better and greener than traditional health clubs and modern spo
34、rts centers.1.The water keeps running because the t_ is broken.2.He was weak and spoke in a low v_.3.Remember to l_ the door and window before leaving the house.4.Water is very valuable.So we should save every d_ of water.5.You must r_ the books to the library in a month.巩固练习Listen attentively五、单词拼写
35、ap oice ockropeturn6.Have a break now,and well c_ discussing the question in half an hour.7.Some of my classmates think the little boy is f_,but in fact,he is very clever.8.We all know that water is v_.So we shouldnt waste and pollute it.9.She passed the driving t_ when she was 20 years old.10.There
36、s f_air and food in the countryside.巩固练习Listen attentivelyontinueoolishaluable est resh1.贝蒂通常会把一部分零用钱用来买书。Betty usually spends _ _ her pocket money on books.2.我们班由15名男生和13名女生组成。Our class _ _ _ _ 15 boys and 13 girls.3.停止玩电脑游戏吧，是时候做作业了。Stop playing computer games._ time _ _ your homework.巩固练习Listen a
37、ttentively六、完成句子part of is made up of Itsto do4.记得下次不要带手机进学校。_ _ _ _ mobile phones into the school next time.5.他们打算打篮球而不是踢足球。They are going to play basketball _ _ _ football.6.冰箱里的牛奶太少了。我们去买些吧。There _ _ _ milk in the fridge.Lets go to buy some.巩固练习Listen attentivelyRemember not to takeof playinginst
38、eadis too little 7.因为我们去到超市太迟了，所以只买到了一些鸡蛋。We got only some eggs in the market because we got there _ _.8.我可以在这吸烟吗? 不行，这里是禁烟区。_ I _ here? No,you _.Here is “No smoking” area.9.周末太多作业了。50%的作业是数学的。There _ _ _ homework at the weekend.50% of it _ for maths.巩固练习Listen attentivelytoo late is too muchMaysmokeismustnt谢谢观看！
