8B Unit 1 Trees1. pollute (v.) pollution (n.)*Pollution has become one of the most serious problems of today’s society.*The factories aren’t allowed to let out dirty water for it may pollute the river.*Trees are thought as pollution fighters.2. f ight(v. n.)争斗，斗争` fight (against) sb / sthfighter (n.) 斗士3. scientist (n.)科学家science ( n.)科学4. collect (v.)收集collection (n.) 收藏品*He used to collect stamps when he was a young boy.*The dustmen collect the rubbish once a day.*My father usually collects me after school5. She is interviewing Doctor Ray.interview (v. n) interviewer (n.) interviewee (n.) trainer---trainee. / emplover----employee6. interest*He is telling a story to the children which interests them a lot.*Tom takes great interest in stamps collection.interested (a.) *be interested in +n./doing sth7 .live (v.) 生活直播的(a.) a live football matchalive (adj.) living (adj.) lively (adj.) life (n..) *When the boy was found at last .he was still alive.*We must leart a living language not adead one.*The young are usually lively and active.8. on the earth = in the world 当earth作为地球时. 前加“the”space前不加“the”9. good. 文中为n. 用处= use*I am only telling you this for your own good.*What good is it repainting if you are thinking of moving？10. make…. + adj. make us healthy / make it lighter.make…. + n.. We all made Mary our monitor.班长make….+ do sth . make me finish it in an hour.11. else 通常位于疑问词what/ where/ who等或nothing/ nobody/ no one/ something/ anything 等不定代词之后*What else did he say?*Do you want anything else, sir? -----Thanks nothing else.12.woods (n..) a piece of wood woods =forestwooden (a..) a wooden table13. in the end = finally =at last at the end of +time /place14.1) suppose (that) + a sentence*Scientists suppose that large dinosaurs lived in swamps .2）breathe (v. )呼吸be out of breath 气喘吁吁take a deep breath 做一次深呼吸15. thank (sb.)…for+n./doing sth*Thank for your help*Thank you for lending me your notebookthankful (a.) 感激的be thankful to sb. for sth.16. produce(v.)production (n.) 生产过程the production of carsproduct (n.) 产品well-made products cost more 制作精美的产品比一般贵17. enough oxygen/time/money…enough + n. (+to do …) adj. +enough (+to do…)18 .keep sb/sth +adj. 保持…处于某种状态keep the door openI’m sorry to keep you waiting for so longkeep sb/sth +doing 让..一直做某事19. Trees not only clean the air but also cool it.Trees cool the air and clean it as well.20. natural (a.) nature (n.) naturally (adv. )21. know / learn /eat a lot . a lot 跟v .后22. begin (v .) begin to do ….= begin doing …beginning (n .) at the beginning of …在。
开始23. warn (v .)warn sb. of sth. warn sb. (not) to do sth. warn (not) doing *The teacher warned the boys of the deep waiter.*She warned her husband of the danger of driving so fast.*The policeman warned the boy not to play football in the streets.warning (n .) It happened without any warning.24. protect….from / against.1) You should put on more clothes to protect yourself against /from cold.2) Sun glasses many protect your eyes from the sun.protection (n .) protective (a .)*You may improve your spoken English by talking with the native speakers.25. chemical ( a . n . ) 化学的，化学物质chemistry ( n . ) 化学a chemistry teacher . a chemical change.do chemistry homework dangerous chemicals.26. communicate (v .) 交流communicate….with communication (n .) 交流*Being deaf makes communication difficult. deaf 聋子* We should communicate with our parents if we meet some problems.27. one another ≈each other28. be in danger (n .) ( be out of danger ) dangerous ( a .)29. replace (re –do sth again ) rebuild . repaint/ replay/ rewrite/ review/ repeat30.destroy 彻底毁灭，很难恢复。
damage 价值降低，或外表破损，有修复可能*The heavy rain destroyed our hope of a panic.*The heavy rain damaged a lot of houses in this area.*The town destroyed by the war.8B Unit 2daily adv. 每天（every day）例如：·want to study English well, so I have to practise it daily.我想学好英语，因此我必须每天练习。
daily adj. 每日的；日常的n. 日报例如：·here are great changes in their daily lives. 他们的日常生活有巨大的变化。
increase v. （使）增加例如：·The wheat production increased a great deal this year. 今年的小麦产量大幅度增加。
·We have increased the price of paper. 我们提高了纸张的价格。
【反义词】：decrease v. 减少例如：·The population in Germany decreased last year. 去年德国的人口减少了。
impatient adj. 不耐烦的例如：·She is becoming impatient. 她变得着急起来。
【同根词】：patient; impatient; patience1.patient adj. 有耐心的, 例如：·She is so kind and always patient with those naughty children.她对这些淘气的孩子们是如此的和蔼，有耐心。
2.impatient adj. angry at having to wait 不耐烦的，急躁的，例如：·As a nursery teacher, you mustn’t be impatient with the children.作为幼儿园教师，你不该对孩子急躁。