北师大版必修三Unit 7 the sea leasson 1 the spirit of expores B学案.doc

unit 7 the sea leasson 1 the spirit of expores b学案1some fish can produce sounds almost twice as loud as your speaking voice!有些鱼发出的声音几乎是你讲话声音的两倍大！倍数的表达方式：(1)倍数as .as .(2)倍数比较级than(3)倍数the size/height/length/width .of .(4)倍数what从句(5)倍数that of(1)the plane flew ten times as high as the kite.那架飞机的飞行高度是那只风筝的十倍。(2)beijing is ten times the size of my hometown.北京是我家乡的十倍大。(3)in our county now the grain output is six times that of before liberation.现在我们县的粮食产量相当于解放前的六倍。即学即练一句多译众所周知，地球是月球的49倍大。(1) .(as形容词/副词原形as .)(2) .(形容词/副词比较级than .)(3) .(then.of .)答案：(1)its known to us that the earth is 49 times as large as the moon(2)its known to us that the earth is 48 times larger than the moon(3)its known to us that the earth is 49 times the size of the moon2you certainly wont find a noisier fish你肯定再也找不到一条更吵的鱼了。not find a noisier fish为否定词和比较级连用表达最高级意义。最高级意义的多种表达法：(1)比较级than(2)否定词so/as形容词/副词原级as(3)否定词形容词/副词比较级(than)(4)the形容词/副词最高级(1)nothing is so easy as this.nothing is easier than this.这是最容易的事。(2)do you think our basketball players played very well yesterday?they couldnt have done better.你认为我们的篮球队员昨天打得很好吗？他们打得太棒了。即学即练完成句子(1)the population of china is (large)than that of any other country in the world.中国的人口比世界上任何其他国家的人口都多。(2)how exciting！i have never watched match before.真刺激啊！我以前从未观看过比这更刺激的比赛。(3)he is working harder in this class.他比这个班上其他任何学生学习都要努力。答案：(1)larger(2)a more exciting(3)than any other student/all the other students巩固练习.单词拼写1. she (大声喊叫) that there was a snake under the bed.2they (争论) for over an hour on the advantages of different systems.3ive got to go. i cant (对付) it any more.4only four people managed to (逃离) before the roof collapsed.5this is a yardstick (标准) for (衡量) whether a person is really progressive.6it can take many years to (恢复正常) from the death of a loved one.7he was (禁止) from leaving his country while he was investigated.8if an interview is too easy, its a sure (预兆) that you havent got the job.9the ship didnt (下沉) immediately; it floated for a while.10as soon as the opportunity (出现) itself, she would get another job.11would you please tell me how much (折扣) you offer?12anyone who (不同意) with me can tell me your reason.答案：1.screamed2.debated3.handle4.escape5measuring6.recover7.banned8.sign9.sink10presented11.discount12.disagrees.单句语法填空1he was so (fright)when he saw a (fright)snake that he jumped fright.2the captain was glad to see all her soldiers were high spirits.3the history teacher often tells his students to classify the knowledge they have learned according chapters.4he still smokes a lot，do you know?yes，but i dont know how i can persuade him (give)it up.5i wonder how you managed to make since there was only half an hour to go before you set off for the airport.6though it was dark and raining hard，the children went out in search their lost dog.7the shop assistant had to apologise to tom (have)given him the wrong change.8when i handed the report to john，he said that george was the person (send)it to.9prices of daily goods (buy)through a computer can be lower than store prices.10choosing the right dictionary depends on you want to use it for.答案：1.frightened; frightening; with2.in3.to4.to give5.it6.of7.for having8.to send9.bought10.what.单句改错1. the athletes from five countries participated the race. 2. a man of great ability like him will eventual reach the top. 3. they usually set out to working at 7 oclock. 4. he frightened off his attacker by call for the police. 5. you wouldnt have got into trouble if you had taken my advices. 6they were both very hungry by then and went in search food. 7it was saddening to think how man is spoiling this environment by overfish and illegal fishing. 8all at once, i noticed that my wife seemed to be filled of alarm. 9man was responsible for the survive of his family. 10hes terrified that you wont be able to earn money and wont fit into social. 答案：1.participated后加in2.eventualeventually3workingwork4.callcalling5.advicesadvice6search后加of7.overfishoverfishing8.ofwith9survivesurvival10.socialsociety.完成句子1even when youre sitting still your brain is using your heart.即使当你静静地坐着的时候，你的大脑仍然使用两倍于你的心脏所使用的能量。2the centre also runs two life drawing classes there is a small fee.(艺术)中心还开办两个人体素描班，其费用很低。3how beautifully she sings！i have voice.她唱得多么优美啊！我从来没有听到过比她好的嗓音了。4the girl looked up， 女孩抬起头，眼里充满了泪水。答案：1.twice as much energy as2.for which3.never heard a better4.her eyes full of tears.微写作【写作素材】1我的朋友杰克喜欢航海，去年他说服一些人参加他的航海。2根据他的安排，他们在某周一启航寻找鲸鱼。3在路上他警告他的同伴注意鲨鱼，以免陷入麻烦。4在他们的共同努力下，他们达到了目的。提示：黑体部分用本单元词汇表达。【连句成篇】(将以上句子连成一篇50词左右的英语短文) one possible version：my friend jack likes making voyages.last year he persu