Unit 1-3
第一部分the useful expressions
1. in the countryside 21. promise to do 2. human being 22. two grains of rice 3. die out 23. double the amount 4. find out 24. the rest of 5. go for a walk 25. instead of 6. look forward to 26. order sb to do 7. look up 27. and so on 8. was born 28. copy down 9. from an early age 29. in the 1840s 10. show artistic ability 30. smaller and better 11. for example 31. be unaware of 12. be famous for 32. washing machine 13. more than 33. depend on 14. 60 million/ millions of 34. work as 15. grand total 35. at a faster speed 16. as small as 36. in addition 17. some … others…. 37. produce an idea 18. learn about sth (from)… 38. be able to 19. a long time ago 39. have nothing to do 20. challenge sb to do… 40. change our lives
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第二部分 Paraphrase ( 同义词)
1. inventor=a person who makes sth for the first time
2. musician= a person who plays musical instrument or writes music as a job. 3. in the countryside= outside the city
4. have the ability to do sth= can do sth = be able to do sth. 5. a human being= a person
6. die out = become dead= disappear
7. go for a walk= have a walk =take a walk
8. be born = sb comes out of his mother’s body 9. include = be made up of = consist of 10. wise = clever = smart = bright
11. prize= something that you win in the game 12. double= twice as much as before
13. realize= to understand something as true 14. promise = tell sb he will do sth for sure. 15. instead of = in place of 16. tiny = very small
17. operate= make sth work 18. work as= am/ is / are
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19. be unaware of = not know about / be aware of = know about 20. depend on = need help from sb =rely on = be dependent on 21. in addition= and… as well = besides = what’s more 22. look forward to doing = expect to do
23. monitor =It is a part of computer and shows pictures and words 24. mouse= we move it to control the computer.
25. do sth with..= use sth to do..= use sth. for doing sth.
第三部分 单词变形
1. Italy — Italian
2. invent —invention—inventor 3. music— musical— musician 4. science—scientist 5. art—artist 6. able—ability 7. sudden—suddenly 8. include—including 9. win—winner 10. India—Indian
11. correct—correctly 12. speak—speaker 13. aware—unaware 14. challenge sb to do 15. order sb to do 16. paint—painter 17. promise to do 18. would like to to 19. like doing
20. instead of doing
第四部分 语法 Grammar
一. 形容词和副词的比较级和最高级规律 §下列情况用比较级
1. than, much, even, a little , a bit , next time 比较级 2. the 比较级…, the 比较级…. (越是。。。就越。。。) 3. 比较级 and 比较级 ( 越来越。。。) 4. the 比较级 of the two
5. Which is 比较级 , A or B? (两个比较) §下列情况用最高级
1. of the three, of the four,…. of all 2. one of the 最高级 + 复数
3. in 范围 （ in our class, in China. ） 4. Which is 最高级 ，A, B or C? （三个） §下列情况用原级
1. very, rather, quite 用原级
2. as + 原级 + as / not so ( as) 原级 as 注意：肯定句只能用as…as… 否定两种都行。
注意：1. 有more 不能加er ; 有er 不能加more。2. be 后名前都是形容词，动词后面是副词。
不规则变化： 原级 good / well bad / badly / ill many / much little
比较级 better worse more less 最高级 best worst most least 2
far old
farther/ further (名词前) farthest / furthest ( 名词前) older / elder (血缘关系) oldest/ eldest (血缘关系) 别忘了哦！few -- fewer-- fewest
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