（整理版高中英语）（课标全国）高考英语总复习课时作业48北师大.doc

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1、【优化指导】课标全国高考英语总复习 课时作业48 北师大版一、阅读理解AIts unlikely to occur by swallowing a pill or donning(披上)a special cloak，but invisibility could be possible in the not too distant future，according to research published on Monday.But Dr Ulf Leonhardt，a theoretical physicist at St Andrews University in Scotland，be

2、lieves the most plausible(似乎合理的)example is the Invisible Woman，one of the Marvel Comics superheroines in Fantastic Four.“She guides light around her using a force field in this cartoon.This is what could be done in practice，Leonhardt said.“That comes closest to what engineers will probably be able t

3、o do in the future.Invisibility is an optical illusion(错觉)that the object or person is not there.Leonhardt uses the example of water circling around a stone.The water flows in，swirls(盘绕)around the stone and then leaves as if nothing were there.“If you replace the water with light then you would not

4、see that there was something present because the light is guided around the person or object.You would see the light coming from the scenery behind as if there were nothing in front.What the Invisible Woman does is curve space around herself to bend light.What these devices would do is to mimic that

5、 curved space，he said.Although the devices are still theoretical，Leonhardt said scientists are making advances in metamaterials(超常介质)artificial materials with unusual properties that could be used to make invisibility devices.“There are advances being made in metamaterials that mean the first device

6、s will probably be used for bending radar waves or the electromagnetic waves used by mobile phones，he said.The devices could be used as protection mechanisms so the radiation emitted from mobile phones does not penetrate electronic equipment.It is guided around it.“It is very likely that the demonst

7、ration for radar would come first and very soon.To go into the visual will take some time but it is also not so far off，Leonhardt said.1From the text we can see _.Ayou can be invisible by taking some medicineByou can be invisible by wearing certain clothesCDr Ulf Leonhardt knows how to be invisibleD

8、the Invisible Woman is a character in Fantastic Four2How does invisibility happen according to Dr Ulf Leonhardt?AThe objects disappear secretly by itself.BBy making the light come from the scenery behind.CBy curving space around the object to bend light.DIn fact，the object or person is not there.3Th

9、e devices could be used to _.Areduce the radiation from mobile phones on electronic equipmentBincrease the radiation from mobile phones on electronic equipmentCstop the radiation from mobile phones on electronic equipmentDget rid of the radiation from mobile phones on electronic equipment4According

10、to the passage，invisibility _.Ais impossibleBis possible in the near futureCis a fantastic dreamDonly exists in novelsBA lonely and sad pug(哈巴狗)which was photographed as he waited for his owner by the side of the road has been considered as the worlds saddest dog.Pictures of the pet taken by a passe

11、rby have become an Internet focus after being posted on the photosharing website Flickr.The dog which is nicknamed Mr Newman looks terribly upset as he sits on the pavement tied to a lamppost with a rope.The photograph was taken outside a cafe in the Californian city of San Francisco，which may go so

12、me way of explaining why he is dressed in a stylish grey and purple sweater.“He was hanging around looking for somebody to love him.I tried to cheer him uphe seemed happy to see me，said the photographer Chris Michael.One of the four photos of the pug on Flickr is titled“Tough day for Mr Newmanand wi

13、th some other words as follows：“Despite_his_cool_clothes，the_girls_just_arent_interested_in_him_any_more.Dozens of people on the site said they had been touched by the dogs pitiful expressions.“I come back to see this photo every now and then because its too cute，so does my daughter.In fact，my famil

14、y all are touched，wrote one of the pedestrians who had seen the photo.Another viewer said that she had been so moved as to buy a pug of her own after seeing the photos.Mr Newman may have won the hearts of the Internet users but he is unlikely to be more famous than a cat competitor Keyboard Cat，the

15、musical pet who has become a star on YouTube.5The little pug waited by the road probably because _.Ait was abandoned by its ownerBit was left behind by his ownerCit was trapped by a passerbyDit couldnt find the way home6We can infer from the passage that the photographer Chris Michael _.Aknew much a

16、bout the owner of the dogBhelped to find the owner of the pugCtook great interest in its colourful sweaterDtried to amuse the pug in some ways7The writer used the underlined sentence from the website to _. Aadd some humour to the passageBdescribe the pugs lovelinessChelp the dog owner recognise itDa

17、ttract girls to adopt the dog二、短文填空根据短文内容，从短文后的选项中选出能填入空白处的最正确选项。选项中有两项为多余选项。1_We will try to help parents take one day off on weekends to be with their family._2_What children want and need most is to spend time with their parents，not with toys or taking part in activities.But with more and more pe

18、ople working on weekends，many children of school age dont see their parents anywhere near as often as they should._3_ The movement is designed for families of all types and sizes under increasing pressure to work on weekend4_It is aimed to solve the problems of increasing“shift(换班的)parentingand of y

19、oung children being left“home aloneon weekends._5_If parents have a day off，they can spend a lot of time and energy with their children to share their happiness.AKeep Time for Children is now starting a movement.BThe law is mainly to make sure that parents take good care of their children.COur aim i

20、s mainly to encourage parents to spent time with their children.DAn American set up the organization.EIt would give every parent of children under the age of 16 the right in law a weekend day off each week.FOur time is the most important thing that we can give our children.GParents who do not share

21、enough time with their children are to blame.5_三、短文改错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号()，并在其下面写上该加的词。删除：把多余的词用斜线()划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。注意：1.每处错误及其修改均仅限一词；2只允许修改10处，多者(从第11处起)不计分。One day，I went to a restaurant and left my coat near the door.There was anything in the pockets of the coat when I

22、 left it.But after the meal，I was very surprising to find the pockets full jewelry！At that moment，there was a waiter near the door，so I said to him，“Someone has made the mistake and put some jewelry in my coat.Taking it and when he returns back，give it to him.The waiter took it and went away.Suddenl

23、y a man came in with a coat just like me.“Im sorry，the man said to me，“I made a mistake.I took your coat and youve got mine.Please give me my coat and jewelry.I answered，“But I give it to the waiter.He will give it to you.I called the manager of the restaurants，and the manager said，“Sorry，we have no waiters here，but only waitresses.参考答案与解析课时作业(四十八)Unit 24B卷一、阅读理解解题导语：本文属于科普文章，讲述了科学家对于隐形术原理的分析以及隐形技术对于现代科技的影响和有益作用。5解析：由第二段和第三段可推知这条哈巴狗也许是被主人留在咖啡馆外的。答案：B6解析：由第四段“.I tried to cheer him up可知D项正确。答案：D7解析：画线句子意为“尽管哈巴狗衣着很酷，但女孩们还是对它不再感兴趣，这更突出了哈巴狗的困境，更具幽默感。答案：A二、短文填空三、短文改错