1、1. release oxygen bake into the air/let out=give out2. by producing a chemical3. cool as well as clean the air4. by attacking an insect5. keep us alive6. cut down 2 million trees7. enjoy breathing pure, cool air8. be interested in/show interest in communicating with each other/one another9.thank you
2、 for your invitation/inviting me10. polluting fighter11. a chemistry teacher12. protect-from-13. join their roots together14. living things15. at the beginning of1. on both sides of the street/on either side of the street2. a one-year-old boy3. an eight-meter-long river4. make our city less noisy5.
3、He has been away from here for half a year.6. two thousand different trees7. warn their neighbours not to attack insects8. protect themselves by producing a chemical9. interview a scientist10. be bad for=do harm to=be harmful to11. What good are trees?12. do a job13. Who elses?14. nature-natural1. c
4、ollect-collection2. Judy is interested in/show interest in the oldest living things.3. What else do you do?4. Would you mind opening the window?回答-5. take harmful gases from the air6. take them away7. take them off8. take up9. release oxygen into the air10. Tom as well as his classmates has been her
5、e for half an hour.11. cover an area of two and a half hectares12. keep alive and healthy13. do an easy job14. protect ourselves from the rain15. fight against pollution16. look,smell,feel,sound,taste1. How much do you weigh? Whats your weight?How heavy are you?2. You neednt wait for me. You dont ne
6、ed to wait for me.3. I dont need and time.4. Hoe is the tree? =How does the tree look like? =What does the tree look like? =What is the tree like?5. The sun rises in the east.6. raise my voice7. provide us with food=provide food for us8. expensive-expense9. complain-complaint(s)10. explain-explanati
7、on11. make the air purer12. make him stop crying13. go windsurfing14. sunbathe15. at the end of the street16. protect ourselves from pollution=protect ourselves from being polluted17. taste nasty18. in great danger/dangerous19. save-safe-safely-safety1. warn us not to be late2. by producing harmful
8、gases3. smell nice4. a great number of trees=plenty of trees5. a happy ending6. fight with one another7. collect something for a project8. some wooden furniture9. the importance in exchanging information10. on average11. mouse-mice12. magnolia trees1. be friendly to=be kind to2. reduce to3. reduce s
9、ound pollution by planting trees 4. add beauty to cities5. city-cities-citizen6. supply something for somebody=provide something for somebody=provide somebody with something7. without cooling the air8. half of the material9. take care of=look after10. He has been dead for 10 years.11. make a differe
10、nce=try to do something important12. I hope you will have a good time/enjoy yourself/have fun.13. find it out14. discover15. get worse16. be badly ill17. Shanghai has changed greatly in the past/last 20 years.=Great changes have taken place in Shanghai in the past/last 20 years.=There have been grea
11、t changes in Shanghai in the past/last 20 years.1. be famous for2. be known as3. be familiar to4. be similar to5. join in=take part in6. Why not join us? Why don you join us? Youd better join us.7. protect our city from by not polluting the air8. one, the another9. Could you tell me how I can get to
12、 the nearest supermarket? Could you tell me how to get to the nearest supermarket?10. need watering=need to be watered11. make us speak English well12. What to do next?=How to do the next?=How to do it next、13. a ten-minute walk=ten minutes walk14. reduce=cut down15. rise into the air16. medicine, m
13、edical17. because of illness=because of the/a disease18. be washed away=be carried away1. the amount of electricity2. the number of the student is fifty3. daily/everydays housework4. a great number of/huge amount of/plenty of5. the symbol of the school6. flow-flowed-flowed/fly-flew-flown7. vanish=di
14、sappear8. comfortably-comfortable9. patient-patiently-impatient10. obey the rules=follow the rules=keep the rules/obey-obeyed-obeyed11. Everyone has his own of relaxing.12. an ordinary German13. I was writing after the teacher came.=I didnt stop writing until the teacher came.14. treat-treatment15.
15、complete=thorough16. look puzzling17. sewage plant18. precious=valuable19. remain/stay/keep healthy1. turn on-turn off/turn down-turn up2. with the tap on3. pour water into the washbasin4. vanish down the pipe/disappear5. speak louder-talk loudly-read aloud-say loudly/in a loud voice6. look impatien
16、t7. look at me patiently8. Its kind of you to help me.9. make/think/feel/find+adj.+to do10. waste time watching TV11. floating in a cloud comfortably12. speed down(sped-sped)13. remember traveling a long way14. Its time for sleep. =Its time to go to bed.15. a thorough cleaning16. add some chemicals
17、into the water17. answer me=reply to me18. I waited for you there until you called me. =I didnt leave there until you called me.19. at the end of the journey20. Please take your umbrella.1. practice playing the piano2. a great deal of information/huge amounts of3. be covered with water4. too salty/s
18、alty enough5. drinkable water6. Its difficult to pollute the groundwater.7. such as=for example8. a coffee cup9. waste time talking to him10. keep the door open=leave the door unlocked11. leave the water running=keep the water running12. believe it or not13. at least another five minutes=more five m
19、inutes14. twice more than/as much as15. get clean easily16. both/neither/either/the otherall/none/any/another17. comfortable-comfortably18. produce=manufacture19. look puzzled20. increase/decrease1. serve us2. good service3. measure/measurement4. pay the bill5. explain-explanation6. polite-politely7
20、. encourage- encouragement8. behave-behavior9. electricity-electric-electrical10. an electrical appliance11. contain-container-content12. customer-custom13. in a way=partly14. be careful with15. care-careful-carefullycarelessness-careless-carelessly16. be connected to/with17. switch on/off18. leave
21、the door unlocked19. with a grin on the face20. The staff are here.1. daily report2. keep/remain/stay the same3. a chemistry symbol4. flow-flowed-flowed5. obey/keep/follow the rules6. sound faint7. a water treatment works8. a thorough cleaning9. a sewage plant10. a common teacher11. be covered with
22、heavy snow12. at least13. be full of=be filled with1. taxi service2. play a trick on somebody/make fun of somebody3. be connected to/with4. measure-measurement5. encourage-encoueagement6. behave-behavior7. polite-politely8. explain-explanation9. wire-wireless10. contain-content-container11. a power
23、station/powerful12. in a way=partly13. bury-buried15. visible-invisible16. customer-custom1. dangerous-danger2. a packer of electricity3. put out=go out4. really like=like-very much5. trick somebody6. be careful with electricity7. have a good explanation=explain well8. Could you tell me how electric
24、ity is? /what electricity looks like? /how electricity looks? /what electricity is like?9. different forms of energy10. a bill for water11. flow through wires12. in packets13. scratch ones head14. shake ones head(shook-shaken)15. think of an example16. with a grin on the face17. turn-into=become-int
25、o=change-into18. ask politely19. de buried under the street1. measure the amount of water2. much more dangerous3. a worse explanation4. look/smell/sound/taste/feel +adj.5. serve us6. good service7. think of an example8. chemical inside9. battery-batteries1. electrical machines2. in one way or anothe
26、r3. drive trains4. milk the cow5. light streets(lit-lit)6. on farms7. in the village/in the countryside8. It is hard to imagine what life in our city will be like./It is hard to imagine what tomorrow of Shanghai will be like.9. as much work as10. bring entertainment to millions of families11. chop t
27、he meat(chopped- chopped)12. everyday wonder13. such as/for example,14. a rice cooker15. dress properly in the office16. lean out of the window17. be polite to customers18. read comics19. answer the telephone immediately20. keep the desk tidy21. turn on the air-conditioner1. much experience2. suggest sb do=advise sb to do3. passenger/messenger4. be in charge of=take charge of=be responsible for5. the chief editor6. a leaning actor7. make a choice(choose-chose-chosen)8. make a decision9. draw a conclusion/conclude10. decide to do=make a decision to do/mak
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