沈阳 七年级下 Unit5 water 第五单元 水 讲解与练习.doc

Unit 5 Water 第五单元 水知识复习、详解与练习重点单词drop journey quantity experiment fresh salt on voice reservoir add chemical through pope valuable bit bank change return vapour form stir continue crystal重点短语turn off 关掉turn on 打开addto 将加入a bit 一点pocket money 零花钱be made up of 有某物组成重点句型Its time for sb. to do sth. 某人该做某事了remember not to do sth. 记得不要做某事How much is there? 还有多少.（不可数）？ How many . are there? 还有多少.（可数）？要点详解1. 几分之几quarter 1/4half 1/2two thirds 2/3 three fifths 3/5先分子，再分母，分子用基数，分母用序数，当分子为大于1的整数时，分母要变复数。请用英文写出下列分数1/3 1/4 1/10 4/7 3/10 7/202. 该做某事了。Its time for sb. to do sth.Its high time for sb. to do sth.e.g Then it was time for people to clean me.李先生该去岗顶买个金士顿8G优盘了。3. 把A加入Badd A to/into Be.g They cleaned me and added some chemicals to me.Mr. Li added some salt into the soup.李先生向优盘/水中加了一些化学物质。4. （复习）through across over辨析through 穿越某一空间 e.g He went through the corridor.across 穿过某一平面 e.g He walked across the street.over 越过某一障碍物 e.g He ran over the buses, and went into Bainaohui.5. 使某物变make sth. + adj. (clean / dry)e.g People will make me clean again.Mr. Li made the security guard very angry.6. 记住不要做某事remember not to do sth.remember to do sth. 记得做某事e.g Remember not to buy fake Kingston flash drives, Mr. Li.Remember to go to Gangding to buy the flash drive.7. 使某物保持某种状态leave sth. adj.e.g. I left the tap on in the bathroom.Please leave the door open.Mr. Li left his computer on for the whole night.8. interesting / interestedv+ing 令人xx的（东西）v+ed xx的（人）e.g. The film is very interesting. Mr. Li is very interested.拓展：对某物感兴趣的be interested in sth.e.g. Mr. Li is very interested in films.重点语法用little / few, a little / a few, many / much等谈论数量1. little系列：little / a little用于不可数名词前few系列：few / a few 用于可数名词前e.g.There is a little water in the bottle.There are a few bottles in the box.2. 带a系列：a little / a few 意为“一些“，虽然不多但仍然有一些不带a系列：little, few意为“几乎没有”，表示否定，There are few people in the room.There is little water left in the bottle.3. quite a few 意为 “很多”Mr. Li has quite a few Kingston flash drives.4. many, much 不解释，再次提醒many修饰可数名词， much修饰不可数名词课后练习一单项选择1.Willyougoforawalkafter_dinner? a.ab.anc.thed./2.Carl,whynotgoandhelpyoursisterwatertheflowersthere? Why_?Imbusymyself.Jackislyingonthegrassdoingsomething. a.meb.Ic.himd.he3.Mycousinisalwaysbusywithhiswork,Hehas_timetoreadnewspaper. a.littleb.fewc.alittled.afew4.Thereis_sugarinmycoffee.Itstoosweet. a.toomuchb.toomanyc.toofewd.toolittle5.Alicelooked_theroom,butsawnoone. a.aroundb.forc.atd.up6.Ben:WhatdidPeterdrop_theriver?Alice:Maybeastone. oc.ond.onto7.Itstime_allofustogetreadyforthequiz. a.tob.ofc.ford.at8.There_twentyattendantsatthecontesttomorrow. a.areb.havec.willhaved.willbe9.Weshould_theusedwatercleanbeforeitgoesbackintothesea. a.keepb.makec.becomed.turn10.AfterIhadabathinthebathroomthismorning,I_thetapon,Thismakesthebathroomfullofwater. a.leftb.forgotc.turnedd.switched11.Weallshouldremember_water. a.towasteb.wastingc.notwastingd.nottowaste12.Ifyou_somesalttoaglassofwater,it_andbecomepartofthewater. a.add.Disappearb.add.willdisappearc.willadd.disappeard.willadd.Willdisappear13.WhenIwasinItalylastyear,I_alotoffamouscities. a.visitb.visitedc.visitsd.amvisiting14.Areservoiris_. a.aplacewherepeoplemakecleanwater b.aplacewherepeoplekeepriverwatertobeusedlater c.aplacewherepeopleproducetapwaterforfamilyused.aplacewherepeoplemakewaterdirty15._iscalledthe“FloatingCity”intheworld. a.NewYorkb.Parisc.KunMingd.Venice二用所给单词的适当形式填空1Canthesechildrenlookafter_whentheirparentsarenotathome.(them)2Waterisa_resource,sowecannotwasteit.(value)3Treescanproducea_tomaketheirleavestastenastywheninsectswanttoeatthem.(chemistry)4Weshouldnever_waterbecauseitisnoteasyforittocometoourflats.(pollution)5About3ofthewateronEarthiswithout_(salty)三翻译1这列火车穿过了隧道，终于到达了伦敦.（through）_拿张纸把这个瓶子盖起来.（cover）_3离开教室的时候，记得把所有的灯都关掉.（turnoff）_你们必须记住不要污染这里的土地，水和空气.（remember)_5我们在街道的尽头见面好吗？（theendof)_6接着，在汤里加一点盐，然后尝一尝.(add.to)_7汤姆，到你上学的时间了（itstimeforsbtodoEsth)_8冬天，越来越多的叶子从树上掉落下来.(fallfrom)_9我到家的时候，客厅里的电视开着.(on)_10水很珍贵，我们必须节约用水.（valuable)_Few, a few, little, a little专项练习( ) 1. This is a very old song, so _ young people know it. a. few b. little c. a few d. a little( ) 2 . There arent many oranges here, but you can take _ if you want to.a. few b. a few c. a little d. little( ) 3. Shanghai Waihuan Tunnel is already open to traffic, so it will take us _ time to go to Pudong International Airport. a. a few b. fewer c. a little d. less( ) 4.In order to keep healthy, you should eat _ fast food, _ fresh vegetables and take enough exercise a. fewer/ fewer b. less/ more c. fewer/ more d. less/ less( ) 5.Can we do our work better with _ money and _ people? a. less/ few b. less/ fewer c. little/ less d. few/ less( ) 6.There is _ ink in my pen. Would you give me_? a. little/ a little b. a little/ little c. few/ a few d. a few/ few( ) 7.Mary has made _ progress this term than last term. a. few b. much c. fewer d. less( ) 8.Mr Smith is quite busy today. He has _ meetings to attend. a. little b. a little c. few d. a few( ) 9.No one knows why he has _ words than before. a. little b. less c. fewer d. much( ) 10.Although we have raised (募集)1000 yuan, we still find it is _ than we need to buy a computer for little Jimmy. a. too less b. far less c. very less d. too little.( ) 11.This book is _ expensive than that one. a. less b. a lot c. even d. much( ) 12. Im sorry. The room is _ small to hold so many people. Would you please wait outside? a. so b. such c. very d. too( ) 13. Danny is _ that he wants to go to the fitness camp this summer holiday. a. such fat b. so a fat boy c. such a fat boy d. so fat boy( ) 14.Supermarkets are necessary. People usually spend_ time finding things they want, but they usually spend _ money than they want. a. less/ less b. less/ more c. fewer/ less d. fewer/ more( ) 15. How can you make a trip with so _ money? a. few b. a few c. little . a little( ) 16. There is _ milk in the fridge, so we ll go to the supermarket and buy some. a. little b. a little c. few d. a few( ) 17.The house has _ many rooms that it was hard to find a way out. a. such b. so c. very d. too( ) 18.If you dont work _, youll fail in the exam. a. enough hard b. hardly enough c. hard enough d. enough hardly( ) 19.Im _ make a phone call to my friends. I have a lot of work to do. a. too busy to b. so busy that c, so busy to d. too busy t