1、八下Unit 8 教材梳理复习学案 【复习要点】一、 词形转换1.serious (adj.) 认真的,严肃的seriously (adv.)2.recycle (vt.) 回收利用,循环利用recycling (n.)3.wise (adj.)明智的,充满智慧的wisely (adv.) 明智地,充满智慧地 wisdom (n.) 智慧4.diference (n.) 差异,不同之处 different (adj.) 不同的5. pollute (vt.) 污染 pollution (n.)6.harm (vt.) 伤害,损坏 harmful (adj.) 有害的7.living(adj.)
2、 活着的,活的8.carelessly (adv.)满不在乎地,粗心地 careless (adj.) 粗心的carelessness (n.) 粗心9.simple (adj.)简单的 simply (adv.) 仅仅,简直二、重点短语1.be good for 对。有好处2.reduce air pollution by riding bicycles 通过骑自行车来减少污染3.save water by taking shorter showers通过短时间的澡来节约水4.save energy by turning off the lights 关灯节约能源5.protect the
3、environment by recycling waste回收利用废物保护环境6.used to do sth 曾经做某事7.a country with high mountains and clean blue lakes 一个有着高山和清澈干净湖泊的国家8.be separated into 被分成9.from all over the country来自全国各地10.be not allowed to do sth不被允许做某事12.cut down 砍伐13.drop litter in a public place在公共场所扔垃圾14.be fined by the police
4、 被警察罚款15.limit the air and water pollution限制空气和水污染16.depend on its rich resources to live依靠丰富的资源生存17.run out用完,用尽18.produce little pollution几乎没有什么污染19.make a difference起作用20.be harmful to 对。有害21.keep soil in place保持土壤22.change for the worse恶化23.be in use正在使用24.develop a green lifestyle三、重点句型(1) It i
5、s beautiful, and we sh ould try to keep it that way.(2) In Switzerland, things like glass, plastic and paper are separated into different groups and then recycled. 此处为被动结构,主动结构为:separateinto,例如:警察想把他们拆散成几小股。 The police wanted to _ them _ smaller groups. (3) For example, we are not allowed to cut dow
6、n trees.(4) If we drop litter in a public , we will be fined by the police.(5) We depend on its rich resources to live, so it is important for us to protect it wisely. It is + adj. + for sb to do sth, 这类形容词有:_ It is + adj. + of sb to do sth, 这类形容词有:_(6) These new types of energy cost very little and
7、 will never run out. 此处little 修饰动词,如:I am tired because I slept very little last night. 我累了,因为我昨天夜里睡得很少。 run out of 后接用光的物品名词,主语则是人或地区,run out 一般以物作主语,表示该物已用光,以主动形式表示被动意义,sb use up sth 某人把某物用光,be used up 意义与 run out 相同,它本身就是被动形式,主语只能是物。例:我们把钱用光了。We ran out of money./Our money ran out.We used up our
8、money./Our money was used up.(7) Moreover, they produce little pollution.此处little 修饰不可数名词,表示否定,它的意思是基本没有;而a little 表示肯定,它的意思是很少。例如:There is _ water in the bottle. (瓶子里还有少量的水。) There is _ water in the bottl e. (瓶子里没有水了。) 对应的修饰可数名词的分别是a few和 few,a few表示肯定,few表示否定。(8) Remember that everyone can do some
9、thing to make a difference!(9) Here are some simple steps to take.四、单元话题1.环境保护对我们每个人来说都是重要的。 Its _us _ the _.2.记住每个人都可以做点对环境有益的事!Remember that everyone can do something _ to the environment!3.当你不用电灯时,要关闭电源。_ when your lights are not in use.4.为了节省水,请关了水龙头。 _water, please turn off the tap. 5.我们可以通过骑车来
10、减少空气污染?We can_.【当堂检测】( )1. What should I do to live _ green life?I think you go by _ bike instead of driving your car. A. a; a B. the; / C. a; / D. /; /( )2. The government should stop them from _ trees in the forest. A. cutting down B. putting down C. taking down D. letting down( )3. Driving after
11、drinking wine _ in China. A. allows B. doesnt allow C. is allowed D. isnt allowed( )4. I think we must give up using plastic bags to _ our earth. A. produce B. protect C. provide D. pollute( )5. Some people waste too much water. They dont believe that it can _some day. A. keep out B. run out C. be r
12、un out D. run out of【拓展练习】一、完形填空Natural resources are things that we use that come from Earth. Our natural resources are limited. This means that they will not 1 forever. Some are renewable, like when you plant a new tree when you 2 one down. Others are not renewable, like when you dig coal out of t
13、he 3 . Once it is used, it is gone. People realize the 4 that Earths natural resources are limited, and can do things to helpConserve(节约)those resources. 5 you try to conserve a natural resource, you try to use less of it, so it does not get used up so 6 . One way that people conserve fuel, like gas
14、oline, is by riding a bicycle or walking when the 7 is short instead of driving everywhere. Water is a very important natural resource because we all need it to stay 8 . We canconserve water 9 making sure that our pipes and taps do not leak(漏). We can also make 10 choices to conserve water, like onl
15、y using the dishwasher or washing machine when they are full. Everyone can make contributions to protecting natural resources.( ) 1. A. last B. spread C. burn D. change( ) 2. A. turn B. cut C. put D. move( ) 3. A. station B. building C. ground D. brick( ) 4. A. news B. plan C. decision D. fact( ) 5.
16、 A. When B. Although C. Whatever D. Whether( ) 6. A. slowly B. hard C. regularly D. fast( ) 7. A. money B. space C. place D. distance( ) 8. A. alive B. alone C. asleep D. awake( ) 9. A. about B. for C. by D. with( ) 10. A. generous B. funny C. wise D. surprising二、任务型阅读We all need a healthy environme
17、nt, but we produce waster every day and it does harm to our environment. Though we are young, we can still do something to help. In fact, even the simplest everyday activities can make a real difference to the environment. Here are some ideas for you to live a green life.Remember these three words;
18、reduce, reuse and recycle.Reduce means use less. Dont waste things. This saves money and reduces pollution and waste going into the environment. Before we buy something new, think if it is really necessary or maybe the old one will be just as good! When we do buy thing, choose local products if poss
19、ible, and try not to buy too many things from abroad.Reuse mean use again. Use things for as long as possible. When we buy things, make sure that they last a long time. We should take care of them so that they will last, and we should repair them if we can instead of throwing them away and buying ne
20、w ones. Dont use a paper cup or a paper bag. Its better to use a china cup(瓷杯) and a lunch box because you can use them again.Recycle means change things into something else. Although it takes energy to change something into something else, its better than throwing things away or burning them. Find
21、out what can be recycled in your neighbourhood and take part in recycling programmes. We should also buy products made from recycled materials, such as recycled paper, to help save trees. Title: 1 to Live a Green LifeWe produce waste every day and it is 2 for us. We can do something to help.IdeasDoD
22、ontTo 3 Use less*Try to save something*Dont buy too many things from foreign. 4 To reuseUse 5 *Use things for us long as possible.*Buy things that last long.*Take care of things or 6 the old things.Dont use 7 cups or bags.To recycleChange things into something 8 .*Join in recycling programmes.*Buy 9
23、 made from recycled materials.Dont 10 things away or burn them.1. _ 2 _ 3. _ 4. _ 5. _6. _ 7. _ 8. _ 9. _ 10. _三、首字母填空Would you like to have a brother or a sister? Months ago this might sound i 1 to many people. But since October with the end of Chinas “one-child policy”, this can h 2 now. All Chine
24、se couples are allowed to have two children. That means many Chinese children, i_3_ you, may have siblings(兄弟姐妹) in the future.But what would life be l_4_ if you grow up with a brother or a sister? “Having a sibling can p 5 children from bad feelings such as loneliness and fear.” said Laura Padilla-
25、Walker, a professor of family research from Brigham Young University, “Siblings give kids something that parents cant”. You may not feel l 6 at home any more because there is someone to play with you. You can a _7_ share secrets with him or her.But children with siblings also have to learn to contro
26、l (控制)their f_8_, said Laura. You need to share things with them,such as p 9 love, toys, the bathroom and the TV. There is also something u 10 such as competition, arguments and even fights.1. _ 2 _ 3. _ 4. _ 5. _6. _ 7. _ 8. _ 9. _ 10. _四、写作中国发展很快,但我们的环境越来越糟,已经到了我们采取措施的时候了。下表中列出了我们可以采取的步骤:节电离开房间时关灯
27、节水1、刷牙、洗衣时不让水龙头一直开着;2、立法限制水污染。减少污染1、购物时自带袋子或篮子;塑料袋不应该被广泛使用。2、越来越多的家庭拥有汽车,选择公共交通工具或骑自行车是明智的做法。你的做法(两条) 注意:1词数90左右;短文的开头已为你写好,不计入总词数; 2须包括所有内容要点,不要逐词翻译,可适当发挥,使其连贯、通顺。With the development of our society, our environment is becoming worse and worse, so its time for us to act to protect the environment._【当堂检测】参考答案1-5 CADBC【拓展练习】参考答案一、完形填空1-5 ABCDA 6-10 DDACC二、任务型阅读1.How 2.harmful 3.reduce 4.countries 5.again 6.paper 7.repair 8.else 9.products 10.throw三、首字母填空.1.impossible 2.happen 3.including 4.like 5.prevent/protect6.lonely 7.also 8.feelings 9.parents 10.unpleasant/unhappy四、写作