课时分层作业12 Unit 4 Section Ⅳ　Language Points Ⅱ Learning about LanguageUsing Language

1、课时分层作业(十二)语言知识练习固基础.语境填词A)根据汉语或首字母提示，写出所缺单词1His anger(生气) would burst out when things didn't go as planned.2From her facial(面部的) expression，I knew that she was very shy.3This room may be used for weddings and other functions(功能)4They hugged(拥抱) each other when they met at the station.5When she w

2、as stopped by the police for speeding，she gave them a false name and address to avoid being punished.B)在空白处填入1个适当的单词或括号内单词的正确形式6She didn't let anyone know what she truly(true) felt.7I gave him some medicine to ease(ease) the pain.8It is not polite to yawn(yawn) in public.9With all the work finis

3、hed(finish)，the man went home.10The teacher greeted(greet) the students with a friendly “Hello” before class.完成句子1这周末我们一起去敬老院帮助老人打扫卫生怎么样？How about going to the nursing home to help the elderly do some cleaning this weekend?2你最好全力以赴去实现它，否则你会颜面尽失的。You'd better make great efforts to achieve it，or y

4、ou will lose face3此外，我们在乡下待了几天，这使我们感觉舒适。In addition，we spent several days in the countryside，which made us feel at ease4即使明天下雨，我们也决定去参观博物馆。We have decided to visit the museum even if/though it rains tomorrow.5她今晚很有可能给我打电话。It is very likely that she will ring me tonight.高考题型练习提能力.阅读理解AA smile will te

5、ll people around you that you are a kind and friendly person.However，many people don't smile because they think they have ugly teeth.For example，one of my classmates，Mike，doesn't have very nice teeth，so that is why he seldom opens his mouth.He even says that he has lost confidence because of

6、 his teeth.So it is very important for us to look after our teeth.In fact，a lot of people have this problem.Some people inherit tooth problems from their parents，while others' teeth are damaged because of bad habits，like heavy smoking，eating too much sugar or not brushing teeth often.If your tee

7、th are in bad shape，you should see a dentist and ask for help.They can help improve your teeth and tell you how to take care of them.Smiling can help you feel more confident and make people think of you as a more friendly person.If you want to keep healthy，you should not only smile but also laugh.An

8、 Indian doctor called Kataria said that young children should laugh about 30 times a day，while adults should laugh between 7 and 15 times a day.So please take this chance to smile and laugh now.【语篇解读】本文介绍了笑的作用以及有人不笑的原因。1Many people don't smile because Athey don't like smilingBthey think they

9、 are uglyCtheir teeth are not beautifulDthey can't open their mouthsC细节理解题。根据第一段中“many people don't smile because they think they have ugly teeth.”可知答案选C。2What can a dentist do according to the passage?AA dentist can help improve your bad teeth.BA dentist can tell you how to take care of you

10、r bad teeth.CA dentist can tell you how to brush your teeth.DBoth A and B.D细节理解题。根据第一段最后两句“If your teeth are in bad shape，you should see a dentist and ask for help.They can help improve your teeth and tell you how to take care of them.”可知答案选D。3If you want to keep healthy，you had better .Anot smile o

11、ftenBlaugh all the timeCneither smile nor laughDsmile and even laugh oftenD细节理解题。根据第二段“If you want to keep healthy, you should not only smile but also laugh.”可知答案选D。4How many times should a child laugh every day in doctor Kataria's opinion?AEither 300 or 30 times a day.BBetween 7 and 15 times a

12、day.CAbout 30 times a day.DOnly 30 times a day.C细节理解题。根据第二段“An Indian doctor called Kataria said that young children should laugh about 30 times a day.”可知答案选C。 B 【导学号：21122056】I was asked by a reader recently why so many animals seem to have pink ears，when their bodies are all different colours? The

13、 truth is that most animals actually don't have pink ears.Let us explain.Near the equator (赤道)，where the climate is hot，animals are likely to have darker skin，including on their ears.Think of the African elephant，which has quite dark ears.In colder climates，skin colour is usually lighter and oft

14、en pink.Why is skin colour different in different climates？Skin pigmentation，which is what gives skin its colour，can protect against sunburn and skin cancer (癌症)When animals live in colder parts of the world，they don't need it as much to survive.Light-coloured skin also helps animals stay warmer

15、 because it reduces heat loss，which is useful if you're in a colder climate.For most animals，the colour of their fur or other body covering has generally developed as camouflage.That allows animals to mix into the background and avoid being eaten，or for predators (捕食者) to remain hidden during hu

16、nting.One example is the sandy-coloured coat of the desert fennec fox，which uses camouflage for both hunting and hiding.By the way，in many animals，ears come in many different shapes and sizes.For example，in bats，the serval(a type of African wildcat) and the fennec fox，the ears are large compared to

17、their body sizethis helps them hear better because it allows them to sense more sound waves.Naked mole-rats have tiny ears because they need to dig a lot.Big ears would get in the way.The other downside of big ears is that you can lose a lot of body heat.That's why animals that live in really co

18、ld places，like the Arctic fox，have quite small ears.【语篇解读】本文是说明文。作者在文中回答了读者关于动物耳朵、皮肤的颜色等问题。5Who is the author most likely to be?AA teacher. BA librarian.CA zoo worker.DA science writer.D推理判断题。根据第一段中的“I was asked by a reader recently why.Let us explain”可知，作者解答读者关于科普知识方面的问题，因此最有可能是一名科普作家。6What does th

19、e underlined word“it” in Paragraph 3 refer to?ASunlight.BCamouflage.CSkin pigmentation.DLight-coloured skin.C篇章结构题。根据划线词前一句内容“Skin pigmentation，which is what gives skin its colour，can protect against sunburn and skin cancer”(皮肤色素沉着能保护皮肤不被晒伤，还能预防皮肤癌的发生)可推知，划线词所在句意为“生活在寒冷地区的动物，不需要皮肤色素沉着来维持生存”。it指“皮肤色素

20、沉着”。7Which animal uses its skin colour to protect itself from being eaten?AThe Arctic fox.BThe naked mole-rat.CThe African elephant.DThe desert fennec fox.D细节理解题。根据第四段中的“That allows animals to mix into the background.the desert fennec fox，which uses camouflage for both hunting and hiding”可知，沙漠狐狸用伪装术

21、来保护自己免于被捕食者吃掉。8What do we know about animals living in cold places?AThey usually have small light-coloured ears.BThey know ways to store body heat.CThey need big ears to keep warm.DThey usually have good hearing.A细节理解题。根据第二段中的“In colder climates，skin colour is usually lighter and often pink”及最后一段中的“

22、That's why animals that live in really cold places，like the Arctic fox，have quite small ears”可知，生活在严寒地区的动物的耳朵通常都比较小且颜色较淡。.短文改错Last month，my classmate，John，caught bad cold.The news which he was running a high fever and ordinary medicine hadn't worked on him immediate reached everybody in our

23、class.Some recorded the English lessons for him so that he could keep up on his studies.Our English teacher calls on him at weekends.Thanks to everybody's kind help，he failed to falling behind in his studies and finally came back to the class.With love，no illness or difficulty are terrible.Love a