【正文】 ave disappeared in the past 30 years?A. Over a million B. Nearly a million C. About a million D. No more than a million5. According to the scientists, what will happen to the polar bears by the end of the century?A. the population will fall rapidly B. They will die out.C. The population will grow slowly. D. Most of them will get sick.[來源:.Com] the passage and fill in the blanks with proper words.（在短文的空格內(nèi)填入適當(dāng)?shù)脑~，使其內(nèi)容通順，每空限填一詞，首字母已給）：（7分）Over the past 20 years, the Internet has greatly influenced out world and changed our lives. The Internet makes it much for people to search for information. For example, when we write history report, we don’t have to go to the library. We can find information about world leaders and historical events on different websites. Everything we want to know can be found at the click of a .The Internet helps us to stay connected to family, friends and the world around us. Not long ago, we wrote letters and waited weeks for a reply. Today, when we use , we send and receive messages across thousands of miles in a few seconds.The Internet gives us way to express our opinions in public. We interesting ideas with other people on , Baidu Tieba, blogs or forums(論壇). If we dislike the food at school, we can discuss it in the school’s forum or in the Tieba of our own class. the Internet has made our world better in many ways, in some ways it can be a bad influence. There is a lot of false information on the Internet. It is important not to believe we read on the Internet. In addition, many teenagers choose to keep in touch with each other online instead of meeting facetoface. People that this harms their social munication skills(社交能力).Some teenagers spend too much time playing Internet games. They may lose focus on their studies.There are millions of interesting sites to visit and so many wonderful things to do online. How could we live the Internet nowadays? But try to let the Internet be your good servant, not your bad master!【課堂回顧】 【課后作業(yè)】 the word that does not belong to the group(選出劃線部分發(fā)音不同的詞):（5分）( )1. ( )2. ( )3. ( )4. ( )5. II. Choose the most proper answer.(選擇最恰當(dāng)?shù)拇鸢?：（12分）( )1. The ocean provides a lot of food________ fish.A. of ( )2. Trees are so important to us that we must stop________.A. cutting down them cut down them them down cut them down( )3. There ________ a lot of ________ near the forest.A. is, sheep , sheeps , sheep , sheeps( )4. I’d ________ to wear cotton Tshirts. They are more fortable than nylon ones.A. rather ( )5. I am hungry. May I have something ________?A. eats eat( )6. If Jerry ________ get up early, he will miss the early bus.A. won’t ’t ’t ’t( )7. Where is John? I don’t know. But I saw him ________in the playground a moment ago.A. played play( )8. Many boys like going________ in the sea.A. windsurf ( )9. There were ________ tall buildings in our hometown many years ago.A. not any any of( )10. Nowadays, passengers ________ buy tickets from a conductor on many buses.A. needn’t ’t need ’t to ’t to( )11. Of all the students, Kelly is ________ at sports.A. good best ( )12. They are ________ because the basketball match between Class 1 and Class 5 is_____.A. excited, excited , exciting, exciting , excitedIII. Complete the following passage with the words or expressions in the box. Each can only be used once. （ 將下列單詞或短語前的字母填入空格。t B. must not C. won39。m sure he doesn39。t that Ann39。t hear the phone. I _______ _______ _______ asleep. 我沒聽見電話,當(dāng)時我肯定睡著了。 _______be working in the factory now. 九點了,他們肯定正在工廠工作了。must do表示現(xiàn)在肯定做某事,must be doing表示現(xiàn)在肯定正在做某事,must have done表示過去或已經(jīng)干了某事。這些詞語本身不表達(dá)過去時態(tài),如要表達(dá)時態(tài)用其后面的動詞結(jié)構(gòu)。t15. A: _______I go to the airport to see Uncle David off tomorrow morning.B: No, you needn’t. You may join us if you want to.A. Must B. Need C. Should D. May知識點三：情態(tài)動詞表猜測用法情態(tài)動詞推測性用法 must, will, would, ought to, should, may, might都有推測性用法,其可能性程度按其排列順序由強到弱,可以翻譯成:肯定,會,應(yīng)該,可能等字眼。t B. may not C. can39。t C. don39。t to D. not need to【例題9】It is said that nowadays young people would rather_________ their friends for advice.A. asked B. ask C. to ask D. asking 【例題10】We’d better _________ on the grass.A. to step B. step C. don’t step D. not step知識點三：情態(tài)動詞重難點關(guān)于問答句Can I…?Yes, you can/ may.No, you can’t/mustn’t.May I…?同上Must I…?Yes, you must.No, you needn’t.= No, you don’t have to.【例題精講】, can you buy me the new iPad after the High School Entrance Examination? I’m afraid I _______, dear. We are short of money now. A can’t B mustn’t C shouldn’t D needn’t we finish the poster in class? No, you _______. You can finish it after class. A． Mustn’t B. needn’t C. shouldn’t D. can’t I stay at home, Mum? No, you _______.A. needn