Unit2 Topic2 同步知识归纳与学案练习2024-2025学年仁爱科普版九年级英语上册

Unit 2 Topic 2 All these problems are very serious Section A要点归纳 1、 必背单词 adv. 完全地、彻底地→ adj. 完整的 v. 完成 二、必背短语 1. cut down砍伐，缩减 2. as a result 结果是 3.change into 把…变成… 4.stop/prevent/keep…from sth/doing sth 阻止...（做）某事 5.wash away 冲走 6.be harmful to=do harm to 对.....有害 7.a large number of 许多，大量 8.in danger of ( doing ) sth. 处于做某事的危险中 9. live a happy/quiet life 10. plenty of + 可数或不可数 大量、许多 11.the importance of… …的重要性 12.die out灭绝 3、 必背句型 1. The wind outside is blowing strongly. 2. What a strong wind! 3. While I was walking down the street, I couldn’t see anything. T 4. Trees can stop the wind from blowing the earth away. 树可以防风固土， Trees can also stop the water from washing the earth away. 树也可阻止水土流失。 stop / prevent sb. /sth. (from ) doing sth. 阻止/ 防止 某人或某物做某事 keep sb./sth. from doing sth. 阻止/ 防止 某人或某物做某事 5.And a lot of water can be saved by forests. 森林可以储存大量的水分。 6.Cutting down trees affects the weather so much. cut off切断（电源，水）；中断 cut up 切碎 cut in 切入 注意：动副结构，代词必须放中间，且用宾格。 7. It is harmful to human beings, animals, and plants.砍伐树木对人类、动植物都有害。 8.People have cut down such a large number of trees that the land has changed into desert. 人们已经砍掉如此多的树，以至于土地已经沙漠化。 a number of 意思是“一些，若干”（= some），后接可数名词复数或代词，谓语动词用复数形式。 the number of 意思是“……的数字/数目”，介词of同其后名词构成介词短语，修饰the number.当它作主语时，谓语动词用单数。 A number of my friends I should take a holiday. 我的一些朋友认为我应该休假。(think) The number of students about twenty. 学生人数大约是20人左右。(be) 9.Humans have come to understand(=realize) the importance of protecting animals. 人类已经认识到保护动物的重要性。 【随堂练习】 1.The cleaners try their best to keep the street_______dirty. A.getting B.from getting C.to get D.to getting 2. In our school library there______a number of books on science and the number of them_______growing larger and lager. A.is;are B.are;is C.is;is D.are;are 3. ____the girl is only nine, she takes care of her brother and cooks meals every day. A.Although b.Since C.Because D.If 4. The wind blows so strongly that the earth has been _______. A. put away B.taken away C.washed away D.given away 5.I have the greatest respect for his ideas _________ I don't agree with them. A. although B. since C. until 6. Helen can't understand the article, _________ there are few new words in it. A. so B. because C. if D. though 7.The Green Great Wall can stop the wind ________ blowing the earth away A. to B. from C. of D. with 8. _________ the students in this primary school _________ about four thousand, and three _________ of them are boys. A. A number of; is; fifth B. A number of; are; fifths C. The number of; is; fifths D. The number of; are; fifth 9. Forests are very important to humans, because a lot of water _____ by forests. A. save B. can be saved C. can save 10.The number of the teachers in this school________ more than one hundred. A small number of them________women teachers. A. is; is B. are; are C. is; are Ⅱ.翻译 1.风刮的很大______________ 2.很多土地都变成了沙漠____________ 3.一些动物正处于灭绝的危险中____________ Ⅲ.看图写话 in danger, die out Section B要点归纳 一、必背单词 1. use v.使用→________ n.使用者，用户→ adj.有用的→ adj.无用的 2. pron. 没有一个→ all（反义词） 3. spit v. 吐→spat（过去式）→spat (过去分词) 4.______________ adj.坏的→ （比较级）→ （最高级） 5. n. 行为→ v. 表现 6. v.处罚，惩罚→ n.惩罚 7. adj.不整齐的；凌乱的→ ________________ adj.整齐的 二、必背短语 1. It says that 文章说到... 2. the condition of the air 空气条件 3. one of the 形容词最高级 +名词复数 最...的...之一 4. be under control 处于控制范围内 5.none of 没有一个 6. here and there到处 7.worst of all 最糟糕的是 4.care for=look 8.after=take care of 关心，照顾；喜欢 9.follow the rules=obey the rules 遵守规则 （break the rules 违反规则） 10.in the beginning一开始 11.do/try one’s best to do sth. 尽某人最大的努力做...... 12. as we all know 众所周知 13.in one’s daily life在某人的日常生活 三、必背句型 1. The government has done something useful to protect the environment. 2.None of us likes pollution. 我们没有人喜欢污染。 none与no one 的区别： (1) none “全无”，既可指人也可指物，后常跟of 的短语; 作主语时，谓语动词既可用单数也可用复数；no one只指人，后不能跟of 的短语; 作主语时，谓语动词只用作单数。如： He has read none of these books.（指物）这些书他一本都没看过。 None of my friends like/ likes drawing.（指人）我的朋友们没有一个喜欢画画。 No one is here. 没有一个在这儿。 (2) none回答how many/ much的问题；no one回答who的问题。 如： ---How many students come to school by taxi? ---None. ---How much water is there in the bottle? ---None. ---Who is in the room? ---No one. 【随堂小练】 （1）—How many birds can you see in the tree? — . A.None B.No one. C.Nobody D.No. （2）All the students are busy doing their homework.No one talking. A. isn’t B.are C.aren’t D.is 3. We shouldn’t leave rubbish here and there. 4.Don’t spit anywhere in public. 5.Don’t walk on grass or pick flowers. 6.We should do everything we can to protect the environment.我们应该尽一切努力保护环境。 四、必备语法 不定代词和不定副词 1. 不定代词：指人：someone/ somebody anyone/ anybody no one/ nobody everyone/everybody 指物：something anything nothing everything 2. 不定副词：指地点：somewhere anywhere nowhere everywhere 3. 用法： (1) some-复合代词/副词常用于肯定句 some-复合代词/副词用于疑问句中时，表希望得到对方的肯定回答或表请求 Would you like something to drink? 你要点喝的东西吗？ (2) any-复合代词/副词常用于否定句或疑问句 any-复合代词/副词用于肯定句时，表“任何”；如： If people spit anywhere in public, they should be punished. 如果人们在公众的任何地方吐痰，他们应该受罚。 (3) no- 复合代词/副词表全否定 I saw nobody in the room. 我看见房间里没有人。 There is nothing in the forest. 树林里没有什么东西。 (4) every- 复合代词/副词代替全部 Everyone is here. 大家都在这儿。 It seems he knows everything. 似乎他知道一切。 注意：1. 不定代词作主语时，谓语动词用单数形式 Everything goes well. 一切进展顺利。 2. 如果有定语修饰,定语应放在不定代词或不定副词后 I have something important to tell you. 我有重要的事告诉你。 3. no= not... any → nobody = not... anybody; nothing = not... anything She didn’t say anything. = She said nothing. 她什么也没说。 【随堂练习】 1. —Would you like to go_________? -- I’d love to. A.interesting somewhere B.somewhere interesting C.interesting anywhere D.anywhere interesting 2.-- What about these two coats,madam? --_______of them fits me.Could you show me _______one? A.Either;other B.Neither;the other C.Neither;another D.Either;another 3.一How much difficulty did you have solving this problem? 一 . It's quite easy. A. Nobody B. Nowhere C. None 4. I’m sorry I know ______ about it. It’s a secret between them. A.nothing B.something C.anything D.everything 5. - I almost get mad. My younger sister always disturbs me when I am reading. - Calm down, Jack. _________ can bring you peace but yourself. A.Somebody B. Everybody C. Nobody 6.I have three sisters. ________ of them is a doctor. A.None B. No one C. All 7.— You look badly ill. What’s wrong? — I have eaten ________ at lunch. A. anything bad B. something bad C. bad something 8.--I feel there is ________following us. --Really?Who can it be?What should we do? A.someone B.anyone C.nobody 9. You can take _________ of the two toy cars and leave _________ for your brother A. none; both B. both; the other C. either: the other D. none; the other 10.--What animals do you like？Cats，dogs or pigs？ --__________of them.I think they are very lovely. A．None B．All C．Both 11.--Have you seen my coat__________？ --Yes，I saw it__________ in the room just now. A．somewhere，anywhere B．anywhere，somewhere C．somewhere，everywhere 12. We should do everything we can water. A. save B. saving C. to save 13. -- Mike, where’s today’s newspaper? -- Well, you don’t need to read it because there is in it. A. something interesting B. nothing special C. anything new 14. There are five people in the room, but I know  . A. all of them  B. none of them  C. neither of them 15.There is ____ in the city. Why not have a picnic in the countryside? –-Great. A. interesting something B. nothing interesting C. anything interesting 16.My father has various books, but _____ of them is on history. A. none B. all C. neither 17.--Was the exam easy? --Yes. _____ passed the exam because there was _____ difficult in it. A. Nobody; anything B. Anybody; something C. Everybody; nothing 18. --Wasn't the math exam easy? --Yes, but I don't think ____ could pass it. A. everybody B.nobody C.somebody D.anybody 1.你想建议同学们，做一切我们能做的事情来保护环境，可以这样说： We should ______________________________________________. 2.看到有人乱扔垃圾，你可以这么说：_________________________________________________. 3.看到有人随地吐痰，你可以这样劝阻他：_____________________________________________. 4.你看见有人践踏草坪，上前劝阻说:______________________________________________ , please. duty, everything, protect not, public Section C要点归纳 一、必背单词 rise v. 上升→ （过去式）→ （过去分词） 【单词辨析】 through __________________ across ______________________ rise ____________________ raise _______________________ 2、 必背短语 1.in many ways 在许多方面 2.all over the world 全世界 3.be important to sb. 对...重要 4.take away带走 5.pass through 穿过 6.refer to 涉及，指的是 三、必背句型 1. Some things we have done are very good for the earth while others are bad. 我们做的一些事情对地球有益，而另一些是有害的。 【翻译】他喜欢运动然而我喜欢集邮。 2. The heat from the sun can’t escape so the temperature is rising. 来自地球的热量没办法散去，所以温度在不断升高。 Section D要点归纳 一、必背单词 n. 不足→ short adj. 短的 v. 重复使用 → use v. 使用 adv.直接地→ adj.直接的 二、必背短语 1. the shortage of 短缺...... 2.be short of… 缺乏… 3.a way to do sth. 做某事的一种方式 4.make progress in this field 在这个领域取得进步 5.day by day 日复一日 6. be covered with 由...覆盖 7.This is because... 这是因为 8.What’s worse更糟糕的是 9. even thirstier (even修饰比较级）更为口渴 三、必背句型 1.While nearly 3/4 of the earth is covered with water, we are still short of drinking water. 尽管 谓语动词由名词数量决定 2.How can we avoid a serious water shortage? 我们怎么样才可以避免严重的水资源短缺？ avoid sth/doing sth避免...... 3.First, we should save water and not waste it. Second, we should protect our water resources and not pollute them. Third, we should discover ways to reuse water. 【随堂练习】 1.Eddie was sleeping ________ Millie was reading a magazine. A.until B.while C.before D.after 2. -- The price of vegetables _________ because of the rainstorm. -- _________ . A. rose; So it did B. raised; So it did C. rose; So did it D. raised; So did it 3. -- Do you want to eat here, madam? --No. Just pizza and orange juice to _________ , please. A. take away B. take off C. take up 4. -- Why are you angry with Peter? -- He is so lazy. I do almost all the housework _________ he just does the dishes sometimes. A. while B. if C. or 5. -- I’ve got a pain in my head. -- Let me give you some pills to _____ the pain. A. hurry up B. run out C. take away 6.There is _____ pollution in the world. We must stop it. A. much too B. too much C. too many 7.He wants to be a doctor ________ his parents want him to _______ the army. A. while, join B. when; join C. while; join in D. when; join in 8.The machine produces ________ noise and it is really ________ noisy. A. too many; too much B. much too; too much C. too much; much too 9.--Can I have another glass of water?--I'm really_________ --Sure.Here you are. A.tired B.hungry C.thirsty 你想告诉外国朋友近年来中国在许多领域取得飞速进步，你可以这么说： _______________________________________________________ . like, while 【话题作文】 根据下列提示写90词左右的短文，说明树对人类的重要性. 提示： 1. 树可以美化(beautify)环境，有益于身心健康； 2. 它可以放出氧气(give off oxygen),吸收二氧化碳 (take in carbon dioxide)； 3. 木材不但可以用于建筑，造纸，还可以制成许多其它的东西； 4. 保护树木，多种树，严禁乱砍滥伐。 It' well-known that trees are very important to human beings. ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ _______________________________________________________________________________ 附：【自测】英译汉 sand_______________________sandstorm_______________________change into__________________ desert_______________________human being__________________although_______________________ reduce_______________________completely____________________user_______________________ none_______________________rubbish_______________________here and there___________________ spit_______________________wild_______________________nobody_______________________ untidy_______________________worst_______________________rude_______________________ behavior_______________________situation___________________punish_______________________ perhaps_______________________everybody_______________________nowhere__________________ take away_______________________oxygen______________________hole_______________________ ozone layer__________________radiation_______________________directly_______________________ carbon dioxide____________________form_______________________blanket_______________________ escape_______________________rise_______________________the greenhouse effect_______________ refer to_______________________shortage_______________________avoid_______________________ resource_______________________discover_______________________reuse_______________________ thirsty_______________________nearly_______________________law_______________________ 1 学科网（北京）股份有限公司 $$