Where sake fin soup is popularNumber of sharks caught and trade every yearHow much the number of some kinds of sharks have fallen in the last 20 to 30 yearsTwo environment group against ”finning”1. Many peole do not realize they are killing a whole of shake _ they enjoy a bowl of shark fin soup.2. Sharks are the top of the food chain, _ if their numbers drop, the ocreans ecosystem will be in danger.3. Many think that sharks are too strong to be endangered, _ they are wrong.4. _there are no scientific studies to support this, a lot of people believe that shakr fins are good for health.5 Sharks may dis appear one day _ we do not do something to stop the sale of shark fins. .soalthoughifbutwhen 時(shí)態(tài)一般現(xiàn)在時(shí)一般過去時(shí)一般將來時(shí) 常用八種時(shí)態(tài)現(xiàn)在進(jìn)行時(shí)現(xiàn)在完成時(shí)過去進(jìn)行時(shí)現(xiàn)在完成進(jìn)行時(shí)過去完成時(shí)一般現(xiàn)在時(shí)1.定義：表示經(jīng)常性、反復(fù)性、習(xí)慣性動(dòng)作或現(xiàn)在存在的狀態(tài)。2.一般現(xiàn)在時(shí)用法習(xí)慣活動(dòng)現(xiàn)在情況客觀事實(shí)主將從現(xiàn)I get up at six every morning.They are very busy.He needs help.The moon moves round the earth.Well go there if it doesnt rain.Hell call you when he arrives.一般過去時(shí)一般過去時(shí)用法I saw him yesterday.I was in Grade One last year.She picked it up and went out.一般將來時(shí)一般將來時(shí)用法將來狀態(tài)將來活動(dòng)主將從現(xiàn)現(xiàn)進(jìn)表將There will be rain tomorrow.What are you going to do next weekend?I will call you as soon as I get there tomorrow morning.The bus is coming. 現(xiàn)在進(jìn)行時(shí)現(xiàn)在進(jìn)行時(shí)用法正在進(jìn)行一直進(jìn)行與always連用Look, they are playing football.He is writing a novel this year.My teacher is always smiling in class.一共復(fù)習(xí)了5個(gè)了，還有1個(gè)呀！ 過去進(jìn)行時(shí)過去進(jìn)行時(shí)用法過時(shí)正進(jìn)過段直進(jìn)when, whileI was doing my homework at eight last night.They were watching TV from nine to ten yesterday.They were reading aloud when the teacher came in. 現(xiàn)在完成時(shí)現(xiàn)在完成時(shí)用法過影響現(xiàn)過延到現(xiàn)兩“去”I cant find my pen. I have lost it.Have you finished it yet ?He has worked here for a year.I have been in this school since 1999 .He has been to China twice.He isnt here. He has gone to the library.考考場(chǎng)Choose the best answers. 1. The shop _ at 7:30 p.m. on weekends.A. will close B. closes C. closed D. has closed2. If he _ early tomorrow, hell be late.A. doesnt get up B. wont get up C. gets up D. doesnt gets up3. Listen! Xiao Li _ an English song.A. is singing B. sings C. is going to sing D. sang4. The harder you _, the better results you will get.A. will study B. studied C. study D. studying5. The teacher told us in class that the earth _ around the sun.A. moves B. moved C. is moving D. to move6. He used to _ a lot.A.smoking B. smoke C. smoked D. smokes7. Lucy _ silly questions.A. is always asking B. always ask C. will always ask D. asks8. Jim with his parents _ abroad. They _ back in two weeks.A. have gone；will come B. has gone；will come C. have been to；have come D. has been；come 9. I have finished my homework. When_ you_ it ?A. have; finishedB. do; finish C. did; finishD. will; finish10. I _ my mobile phone since five years ago.A. bought B. have bought C. had bought D. have had11. -Susan, why are you still here? They are all ready to start.-Im sorry, but I _when to meet.A. dont tell B. didnt tell C. havent told D. wasnt told12.Jim is a student and in Town High School. A. studies B. studiedC. had studied13.Sandy his old friend Tom when he was crossing the street. A. had metB. has met C. met14.The whole class to the East Lake if it is fine this Sunday.A. will goB. have goneC. go15.Who ? It sounds like a little girl. A. does cryB. is cryingC. cried16.-Have you seen Bill? -Yes, he to the library.A. has goneB. had goneC. has been17. -Excuse me, please look at the sign “No Smoking”.-Sorry, I _.A. dont notice it B. am not noticed C. didnt notice it D. wasnt noticed18. If Mike _ up earlier, he can finish the work in time.A. get B. will get C. gets D. is getting19. The recorder_ yesterday. It works OK now.A. repaired B. was repaired C. has repaired D. will be repaired20. -Do you know Jane?-Yes, I first met her three years ago. She _at a fruit shop at that time.A. had worked B. worked C. has worked D. was workingFill the blanks with the correct forms of the verbs in bracketsJoe: _ you ever _ (take) part in an environment project?Ken: Yes, I have. I _ (help) with a Clean-Up Day last year. It was _ (consider) the biggest clean-up project this city _ (ever) _ (have).Joe: How many people _ (take) part?Ken: I _ (think) more than 1,000 people _ (come) to helpout. Joe: Thats fantastic! I guess everyone in this city is _ (try) to improve the environment.Ken: Yes, we cant afford to _ (wait) any longer to take action!