仁爱英语级上册Unit4 Topict2学科讲义有答案.docx

1、仁爱英语级上册Unit4 Topict2学科讲义有答案【基础知识巩固】U4T2SA1 like与as的用法区别：like说明相似关系|，即二者在形态、性质上相似|，但不等同。e.g. He has done a lot of good things like Lei Feng. 他像雷锋一样做了许多好事。as说明同一关系|，指身份|，意为“作为|，当作”。e.g. Dont treat me as a child.Im 15. 别把我当小孩子了|，我都十五岁了。as 还有“像|， 按照”的意思。e . g .Please do it as I told you. 请照我的吩咐去做。I have

2、 the same idea as you. 我和你想法一样。2 be able to与can的意义相当|，can没有将来时和完成时。因此在shall|， will|，have等后面|，要用be able to。e.g. He is able to cook. = He can cook. 他会做饭。Ill be able to ride a bike.我就要会骑自行车了。注意：be able to与can不能重叠使用。3 We will be able to do anything that can be done on the earth.我们将可以做任何地球上可以做的事情。. that

3、can be done on the earth. 是定语从句修饰anything。从句的谓语用的是带有情态动词的被动语态|，构成形式是“情态动词+ be +及物动词的过去分词”。e.g. Trees can be planted in spring. 树可以在春季栽种。4 What fun! 多么有趣啊！这里fun为不可数名词|， 有趣的事。类似的感叹句。e.g. What a pity! 多么遗憾啊！What a shame! 多么丢脸啊！U4T2SB1 on TV在电视上|， on the Internet 在网上。2.Who will take part in the space fl

4、ight? 谁会参加这次飞行？take part in 参加会议或群众性活动等|，着重说明主语参加该活动并在活动中发挥作用。We often take part in physical labor. 我们经常参加体力劳动。join 参加某一组织团体、党派|，成为其中一员|，或和某人一起做事情。When did your brother join the army?你哥哥什么时候参军的？Hell join us in singing the song. 他将加入我们一起唱歌。join in 多指参加小规模的活动|，如“球赛、游戏”等。 常用于日常口语。Come along |， and join

5、 in the ball game 一起来吧|，参加球赛。3 discover v. 发现（找到原本存在但未发现的东西）。e.g. Columbus discovered America in 1492. 哥伦布在1492年发现了美洲。invent v. 发明(发明的对象是以前从未存在的新东西)。e.g. The inventor invented a lot of things all his life. 这位发明家一生创造了许多的发明。find v. 多指偶然发现、碰到|，后可接名词、复合结构或that从句。e.g. Have you found the book you have bee

6、n looking for? 你找到一直找的书了吗？find out指通过观察、探索而发现事实的真相、真情|，调查找出原因或发现秘密、错误等|，后一般接名词或从句。e.g. Have you found out why he was late? 你弄清了他为什么迟到吗？4 admire v. 钦佩|，羡慕|，赞赏admire sb. for sth. 钦佩/羡慕/赞赏 某人E.g. I admire you for your honesty. 我赞赏你的诚实5 I prefer science to dance. 相比跳舞来说|，我更喜欢科学。prefer to 喜欢而不喜欢E.g. I pr

7、efer green tea to coffee. 相比咖啡|，我更喜欢绿茶I prefer cooking myself to eating out.相比下馆子|，我更喜欢自己做饭。6. Then our dreams will be realized. 那么|，我们就会实现我们的梦想了。realize = make come ture 意识到|，领会|，实现。E.g. Our dreams will be realized. = We will make our dreams come true. 我们的梦想将会实现= 我们将使我们的梦想实现。U4T2SC1 name . after 以的

8、名字给取名。be named after 是被动语态。e.g. The baby was named after Bruce Lee. 这个婴儿的名字是以李小龙的名字取的。2 Its diameter is 53% as wide as that of the earth.它的直径是地球直径的53%。3 Mars goes around the sun at a distance of about 228 million kilometers.火星在距太阳约228 000 000千米处环绕着太阳转。 at a distance of 有 距离at a distance of相隔|，at a d

9、istance在远处。e.g. The moon goes around the earth at a distance of 380 000 km. 月球在距地球38万千米的地方绕地球旋转。The police followed him at a distance. 警察远远地跟着他。in the distance在远处。e.g. That is Long Island in the distance over there. 那边远处是长岛。4 tell在这里为“辨别|，区别|，认出”|，常和can|， could|， be able to连用。e.g. It was so dark tha

10、t I couldnt tell it was you. 天太暗了|，我没有认出是你。5 be covered被覆盖。be covered with遮盖|，遮蔽e.g. The ground is covered with show.土地被雪覆盖。6 . Scientists are still searching for more information about Mars.科学家们正在对火星进行更多的探索。 search for :寻找|，搜索All night they searched for the lost boy. 整个晚上他们都在搜寻那个丢失的男孩。search for寻找|

11、，搜索（强调有具体的目标）。如：She searched many shops for Jims gift. 为了送给Jim礼物|，她搜索了很多店。search 意为“在搜查”或“搜身”|， 是个及物动词|，后面直接跟“被搜查的对象”。如：Mr.Smith searched every room in the house. 史密斯先生搜索了房子里的每个房间。U4T2SD1 Other planets 其它的星球 Other + 不可数名词/可数名词复数其它的2 send sb sth =send sth to sb把某物发送给某人一般将来时的被动语态：【例句展示】 1. What will b

12、e done next? 接下来要做什么？2. The government is going to build a new school next year and it is going to be built in the poor village. 明年政府将建一所新的学校。这所学校将被建在这个贫穷的村子里。3. No books are to be taken out of the readingroom. 书不允许带出阅览室。4. We can ensure that the work shall be done on time. 我们能保证按时完成工作。【归纳总结】1. 一般将来

13、时被动语态构成：一般将来时的被动语态构成为：a.will / shall +（如句1、句4）|；b.am / is / are going to +（如句2）|； c.am / is / are to +（如句3）。2. 一般将来时的被动语态用法。（1）表示根据计划或安排|，将要发生的被动性动作。如：This work will / is going to / is to be done at once. 这项工作将立即被完成。（2）表示有固定性条件就有规律性被动结果|，此时常用。如：If you park your car here|， you will be fined. 如果你将车停在这

14、儿|，你将被罚款。.单项选择。(10分)( )1.Students _ their hair when they are at school. A.dont allow to dye(给染色) B.are not allowed to dye C.arent allowed to dying D.arent allowed dying( )2.When was _ umbrella _? A./|； invented B.a|； discovered C.an|； discovered D.the|； invented( )3.The cleaners make a great contrib

15、ution to _ the city clean. A.kept B.keeping C.keep D.be kept( )4.Did you go to Jims birthday party? No|， I _. A.am not invited B.wasnt invited C.havent invited D.didnt invited( )5.The dream of flying up into space has _. A.come true B.come into being C.come back D.come in( )6.Do you know for _ that

16、it was made in 1980? A.certain B.certainly C.sure D.doubt( )7._ you finish your homework|， you can go out to play. A.As well as B.Unless C.As long as D.As far as( )8.Its _ that you have been to Shanghai alone. Yes|， thats right. A.said B.reported C.know D.certain( )9.Computers are very useful. For e

17、xample|， they can _ sending e-mails. A.be used to B.be used with C.be used for D.be used as( )10.I saw Lucy go to Miss Zhangs home just now. Yes|， she is often seen _ Miss Zhang with her housework. A.help B.to help C.helps D.helping.情景交际。(5分)A: What a nice camera! 11 B: It was invented by Joseph Nic

18、ephore Niepee.A: Oh|， I see. 12 B: In 1827.A: Whats this in English? 13 B: Its called an English Learning Machine.A: 14 B: It may be made of steel.A: 15 B: It is used for helping us to improve our English.A.What did it look like?B.Who invented it?C.It looks like a recorder.D.Where was it made?E.When

19、 was it invented?F.What is it used for?G.What is it made of ?11._ 12._ 13._ 14._ 15._.完形填空。(10分)Do you like bubble gum(泡泡糖)? Do you know when it was 16 ?In the 1870s|， an American discovered bubble gum. 17 name was Thomas Adams. He wanted to find the use for a chicle(一种树胶). Chicle is a Spanish 18 fo

20、r sticky water that comes from one kind of Mexican tree.Mr. Adams wanted to make rubber 19 chicle. He worked in his home while he tried to find a way to make the chicle become stronger. He had a son 20 name was Horatio. He also helped his father now and then.One day|， young Horatio began to chew(咀嚼)

21、 the chicle while he watched his father work. It did not 21 very good|， but Horatio enjoyed chewing it. Then the young boy began to blow bubbles with the new chicle which his father had made. Mr. Adams had discovered bubble gum 22 .Mr. Adams gave up trying to find a way to make rubber. 23 |， he want

22、ed to try to sell the new gum that he had made. He thought 24 people might like the taste|， too.He was 25 . Soon|， the new gum became more and more popular.( )16.A.created B.create C.discovered D.discover( )17.A.Her B.My C.Your D.His( )18.A.word B.meaning C.sentence D.idea( )19.A.of B.from C.with D.

23、to( )20.A.whom B.which C.whose D.who( )21.A.taste B.sound C.look D.smell( )22.A.by mistake B.by accident C.in time D.for example( )23.A.Instead of B.Because of C.Instead D.Because( )24.A.another B.other C.the other D.others( )25.A.good B.true C.right D.fine.阅读理解。(30分)(A)Cars will run on solar power(

24、太阳能) or electricity and will be much cleaner. They will be much safer. For example|， if you are too close to another car or if you are driving dangerously|， your car will slow down by itself.Because there wont be any spare land|， new cities will have to be built in the sea. Some cities on water will

25、 have two levels. People will live on the upper level|； the lower level will be used for traffic|， shops and factories.Biotechnology(生物技术) will make food better and healthier. Plants that are not affected by insects or illnesses will be developed. The taste of fruit and vegetables will be better and

26、 food will be kept longer.New technology will be used to make TVs that are only 5cm thick. They will have pictures that are as clear as photos. Electrical appliances(电器) will be quieter and will be controlled by computer|， they will also use 50% less power.Using products of genetic engineering(基因工程产

27、品)|， many new ways to cure(治愈) illnesses will be successful. Cures will be found for the flu and the common cold. However|， some new illnesses will appear.根据短文内容|，判断正(T)误(F)。( )26.Cars using solar power or electricity will cause fewer accidents and less pollution.( )27.People will be able to live in

28、 the new cities in the sea.( )28.Biotechnology will help divide food into two groups: better food and healthier food.( )29.Electrical appliances will save 50% of power because they are controlled by computer.( )30.Genetic engineering can help doctors to cure illnesses.(B)In 1826|， a Frenchman named

29、Niepee needed pictures for his business. But he was not a good artist. So he invented a very simple camera soon. He put it in a window of his house and took a picture of his garden. That was the first photo.The next important date in the history of photography was in 1837. In that year|， Daguerre|，

30、another Frenchman|， took a picture of his reading room. He used a new kind of camera in a different way. In his pictures you could see everything very clearly|， even the smallest thing. This new way of taking photos was called a Daguerreotype.Soon|， other people began to use Daguerres way. Travelers

31、 brought back wonderful photos from all around the world|， and people took pictures of famous buildings|， cities and mountains. In about 1840|， photography was developed. Then photographers could take pictures of people and moving things. That was not simple. The photographers had to carry a lot of films(胶卷) and other ma