七年级英语下册Unit5 Water期末知识点汇总

七年级英语下册Unit5 Water期末知识点汇总七年级英语下册Unit5 Water期末知识点汇总1. drop2. journey3. quantity4. experiment5. fresh6. salt7. voice8. reservoir9. add 10.chemical 11. through12.valuable 13.bit 14.bank 15.change 16. return 17. vapour 18. form 19. stir 20. continue 21.crystal Key phrases 1.turn off 关掉 turn on 打开 2. a bit 一点 3. pocket money 零花钱 4. be made up of 有某物组成几分之几 quarter 1/4 half 1/2 two 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。

把A加入B add A to/into B e.g They cleaned me and added some chemicals to me. Mr. Li added some salt into the soup. 李先生向水中加了一些化学物质。

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. 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. 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. interesting / interested v+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. Key sentences 1. It’s time for sb. to do sth. 某人该做某事了It’s high time for sb. to do sth. e.g Then it was time for people to clean me. 2. remember not to do sth. 记住不要做某事 remember to do sth. 记得做某事 e.g Remember not to late again for class. Remember to post a letter for me.3. How much … is there…? 还有多少….（不可数）？How many …. are there…? 还有多少….（可数）？ Key grammar 用little / few, a little / a few, many / much等谈论数量 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. 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. quite a few 意为“很多” Mr. Li has quite a few Kingston flash drives. many, much 不解释，再次提醒many修饰可数名词， much修饰不可数名词 Practice 一单项选择 1. Will you go for a walk after _________ dinner ? a. a b. an c. the d. / 2. ―Carl, why not go and help your sister water the flowers there ? ―Why ________ ? I’m busy myself. Jack is lying on the grass doing something. a. me b. I c. him d. he 3. My cousin is always busy with his work, He has ________ time to read newspaper . a. little b. few c. a little d. a few 4. There is ________ sugar in my coffee. It’s too sweet . a. too much b. too many c. too few d. too little 5. Alice looked______the room, but saw no one . a. around b. for c. at d. up6. Ben:What did Peter drop _________ the river ? Alice:Maybea stone. a. in b. into c. on d. onto 7. It’s time ________ all of us to get ready for the quiz. a. to b. of c. for d. at 8. There ___________ twenty attendants at the contest tomorrow .a. areb. havec. will haved. will be 9. We should __________ the used water clean before it goes back into the sea . a. keep b. make c. become d. turn 10. After I had a bath in the bathroom this morning, I _______ the tap on, This makes the bathroom full of water. a. left b. forgot c. turned d. switched 11. We all should remember ________ water. a. to waste b. wasting c. not wasting d. not to waste 12. If you _____ some salt to a glass of water, it _______and become part of the water. a. add...... Disappear b. add......will disappear c. will add.......disappear d. will add....... Will disappear 13. WhenI was in Italy last year, I ________ a lot of famous cities .a. visitb. visitedc. visitsd. am visiting 14. A reservoir is ______________ . a. a place where people make clean water b. a place where people keep river water to be used later c.a place where people produce tap water for family use d. a place where people make water dirty 15. ___________ is called the “Floating City” in the world . a. New York b. Paris c. Kun Ming d. Venice 二用所给单词的适当形式填空 1 Can these children look after ___________ when their parents are not at home. ( them ) 2 Water is a ___________ resource, so we cannot waste it. ( value ) 3 Trees can produce a ______________ to make their leaves taste nasty when insects want to eat them.( chemistry ) 4 We should never _____________ water because it is not easy for it to come to our flats. ( pollution ) 5 About 3％ of the water on Earth is without ____________( salty ) 三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 aren’t 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. Hehas _________ meetings to attend. a. little b. a little c. few d. a few ( ) 9.No one knows why he has _______ words than before.a. littleb. lessc. fewerd. 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. I’m 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. fewb. a fewc. little . a little ( ) 16. There is _____ milk in the fridge, so we ‘ll go to the supermarket and buy some.a. littleb. a littlec. fewd. 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 don’t work _____, you’ll fail in the exam. a. enough hard b. hardly enough c. hard enough d. enough hardly ( ) 19.I’m _____ make a p hone 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 that ( ) 20. There are only _____ students in the classroom. Where are the others. a. a few b. few c. a little d. little。