1、Unit 13 Section A(3a-Gramma Focus),What are they? What are they like?,Are they cute and lovely, werent they? But they are in danger. Why does the number of them become smaller and smaller? Lets read the passage on Page 99 and answer the questions.,Read the passage again and fill in the blanks with t
2、he works in the box.,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 wro
3、ng. 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. .,so although if but when,时,态,一般现在时,一般过去时,一般将来时,常用八种时态,现在进行时,现在完成时,过去进行时,现在完成进行时,过去完成时,一般现在时,
4、1.定义：表示经常性、反复性、习惯性动作或现在存在的状态。,2.,一般现在时用法,习惯活动,现在情况,客观事实,主将从现,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.,一般过去时,一般过去时用法,过去活动,过去状态,过去连续活动,I saw him yesterday.,I was in Grade One last y
5、ear.,She picked it up and went out.,一般将来时,一般将来时用法,将来状态,将来活动,主将从现,现进表将,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.,现在进行时,现在进行时用法,正在进行,一直进行,与always连用,Look, they are playing football.,He is writing a nov
6、el this year.,My teacher is always smiling in class.,一共复习了5个了，还有1个呀！,过去进行时,过去进行时用法,过时正进,过段直进,when, while,I 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.,现在完成时,现在完成时用法,过影响现,过延到现,两“去”,I cant find my pen. I
7、 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.,考考场,Choose the best answers.,1. The shop _ at 7:30 p.m. on weekends. A. will close B. closes C. closed D. has closed
8、2. If he _ early tomorrow, hell be late. A. doesnt get up B. wont get up C. gets up D. doesnt gets up 3. Listen! Xiao Li _ an English song. A. is singing B. sings C. is going to sing D. sang 4. The harder you _, the better results you will get. A. will study B. studied C. study D. studying 5. The te
9、acher told us in class that the earth _ around the sun. A. moves B. moved C. is moving D. to move 6. He used to _ a lot. smoking B. smoke C. smoked D. smokes 7. Lucy _ silly questions. A. is always asking B. always ask C. will always ask D. asks,8. Jim with his parents _ abroad. They _ back in two w
10、eeks. 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; finished B. do; finish C. did; finish D. will; finish 10. I _ my mobile phone since five years ago. A. bought B. have bought C. had bought D. have
11、had 11. -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 told 12. Jim is a student and in Town High School. A. studies B. studied C. had studied,13. Sandy his old friend Tom when he was crossing the street
12、. A. had met B. has met C. met 14. The whole class to the East Lake if it is fine this Sunday. A. will go B. have gone C. go 15. Who ? It sounds like a little girl. A. does cry B. is crying C. cried 16. -Have you seen Bill? -Yes, he to the library. A. has gone B. had gone C. has been 17. -Excuse me,
13、 please look at the sign “No Smoking”. -Sorry, I _. A. dont notice it B. am not noticed C. didnt notice it D. wasnt noticed,18. If Mike _ up earlier, he can finish the work in time. A. get B. will get C. gets D. is getting 19. The recorder_ yesterday. It works OK now. A. repaired B. was repaired C.
14、has repaired D. will be repaired 20. -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 working,Grammar Focus,Fill the blanks with the correct forms of the verbs in brackets,Joe: _ you ever _ (take) part in an env
15、ironment 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 help out. 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!,4a,Thank you for listening!,
