1、Unit 2 Working the landSection Using Language，Summing Up & Learning Tip一、将单词与相对应的释义搭配起来A B 1production a to make something smaller or less in size， amount or price2discovery ban opinion that you express about someone or something 3reduce cthe part of a plant that grows under the ground 4pest da fact
2、 or thing that someone finds or learns about for the first time5root ea small animal or insect that destroys crops or food supplies 6comment fthe process of making or growing things 二、翻译下列短语1逐渐增强；建立；开发_2over the past half century _3导致；造成(后果)_4wash off _5使免受(影响、伤害等)；使不含(有害物)_6turn to _7集中(注意力、精力等)于_8
3、every few years _9阻止做某事_三、如果你想用英语来说服或劝说别人，该用哪些英语句型呢1_2_3_4_5_. 四、用方框内的句子完成对话A.You need carrots and they make you see in the dark.B.Look at all the carrots！C.Can you see in the dark， Mom？D.I dont want it.E.I cant see in the dark.A：Come on，darling.Eat up.Its getting late.B： _1_A：Why not ？Carrots are g
4、ood for you.B： I dont like things that are good for me.A：Silly boy._2_B： No，they dont._ 3_A：You will if you eat more carrots.B： _4_A：Of course I can.What are you doing?B： Turning off the light there._5_ Well，can you see them?答案：一、1.f 2.d 3.a 4.e 5.c 6.b 二、1.build up 2.在过去的半个世纪里 3.lead to 4.清洗掉 5.kee
5、p.free from/of 6.转向 7.focus on 8.每隔几年 9.prevent.from doing sth三、略四、1.D 2.A 3.E 4.C 5.B1Recently，however ，scientists have been finding that long-term use of these fertilizers can cause damage to the land and，even more dangerous，to peoples health.然而，最近科学家发现长期使用这些肥料会造成土地受损，甚至更危险的是，会对人们的健康造成危害。剖析：1)本句的时
6、态为现在完成进行时态，其构成为：have/hasbeendoing。They have been building the bridge for two months.两个月来他们一直在建桥。All the Chinese have been working hard to make our country richer and stronger.所有中国人一直都在努力工作，以使我们的国家更加富强。2)现在完成进行时和现在完成时的区别：两者都可以表示“从过去开始一直持续到现在” ，但现在完成时在含义上着重表示动作的结果，不强调重复性；现在完成进行时着重表示动作的重复和动作的延续性。一般不能用于
7、进行时的动词也不能用于现在完成进行时。如：He has finished his work and now is having a rest.他已经完成了工作，现在正在休息。I have been working in this company since three years ago.自从三年前以来，我一直在这家公司工作。考点：however 副词，意思是“然而”，常作插入语，可位于句首、句中或句末。如：Its raining hard.However，I think we should go to school on time.雨下得很大，但我认为该按时上学。On arriving ho
8、me，however，he found his wife lying on the ground.然而，他一到家，发现妻子躺在地上。The students thought they had done everything as the teacher did.They were mistaken，however .学生们认为他们按老师做的那样做了每件事，然而他们错了。单项填空1) Tom _ in the library every night over the last three months.Aworks Bworked C has been working Dhad been wor
9、king2) In the last few years thousands of films _ all over the world.Ahave produced Bhave been producedC are producing Dare being produced3)Mr Black said it was so，_ he was mistaken.Atherefore Botherwise Cbesides Dhowever2These chemicals in the food supply build up in peoples bodies over time.随着时间的推
10、移，食物中的这些化学成分会在人体中堆积。考点：build up 逐渐增强；建立；开发Many a large and big business has been built up from small ones.很多大企业都是从小规模发展起来的。Our country has built up her fine reputation in the world.我们的国家在世界上已逐步赢得好的声誉。He has built up a good business over the years.几年来他生意做得很兴旺。1)build up 还可意为“积累，积聚”“变得严重起来，(车辆)拥挤起来” 。
11、如：The clouds are building up.云越聚越多。When the Spring Festival is coming，traffic builds up along the roads.当春节到来时，路上的车辆越来越多。2)build up 可用于被动结构。如：The area has been built up since I began to live here.自从我住在这儿以来，这个地区已经盖满了房子。归纳：be built up 在句中表示“_”。3)派生词：building n. 楼房；建筑物单项填空1) Im very glad to see that yo
12、ur vocabulary is gradually _.Abuilding up Bturning up Ccoming up Dwaking up2)Practising Chinese kungfu can not only_ ones strength，but also develop ones character.Abring up Btake up Cbuild up Dpull up完成句子3)好的食物可以增强我们的体质。Good food can _ us _.4)为了建设我们的城市，我们应该尽最大的努力工作。_ _ _ our city，we should do our be
13、st to work.3Many of these chemicals can lead to cancer or other illnesses.很多化学成分能导致癌症或其他疾病。考点：lead to 导致；造成(后果)What on earth has led to the roads being crowded?到底是什么导致了这条公路拥挤？His carelessness led to the serious consequence.他的粗心造成了这个严重的后果。1)lead to 除了“导致，造成 (后果)”的含义外，还有其他含义。如：The road near my house l
14、eads to Beijing.我家附近的那条路通向北京。归纳：lead to 在该句的含义是：_2)同义词：result in；cause3)lead 重点短语归纳：lead by the nose 牵着鼻子走lead in 开始；导入lead the way 带路；带头lead sb to do sth 引导某人做某事lead sb to a place 引导/带领某人去某地如：Im not going to allow anyone to lead me by the nose.我不会允许任何人牵着我的鼻子走。The teacher led in the new lesson with
15、an interesting story.那位老师用一个有趣的故事导入新课。We hired an Indian to lead the way.我们雇了一名印第安人带路。What led you to take up acting as a career?是什么使你从事演艺事业的？What led you to this conclusion?你是如何得出这个结论的？单项填空1)What led you _ that Bob was the thief?Ato think Bthinking Cin thinking Dto thinking2)Students should always
16、remember that hard work is the basic way which _ success.Aleads Bleading Cleads to Dlead to用 lead 短语填空 3)He is the kind of person who can easily be _.4They focus on keeping their soil rich and free of disease.他们主要是想保持土壤肥沃并且免受病害。考点：focus on 集中(注意力、精力等)于 I cant focus my attention on study with so much
17、 noise outside.外面噪音这么大，我不能把注意力集中在学习上。The discussion focused on three main problems.讨论集中在三个主要问题上。归纳：focus (sth) on 中 focus 既可以是_动词，也可以是_动词。1)focus on 还有其他含义。如：The astronomer focused his telescope on the moon.这位天文学家把望远镜对准月亮。Today we are going to focus on the question of homeless people in our city.今天，
18、我们打算集中讨论我们市无家可归人群的问题。归纳：focus on 在这两句中的含义分别是“_” 和“_”。2)focus 作名词时，可作“焦点”“ 中心” 讲。如：The focus of this chapter is the American Revolution.本章的重点是美国独立战争。She always wants to be the focus of attention.她总想成为注意的中心。3)focus 常用短语归纳：in focus 焦点对准out of focus 焦点没对准bring into focus 使变得清楚；对好焦距come into focus 清晰，明确；在焦点上单项填空1) Public attention at the moment is focused_ the problems of industrial relations.Ainto Btowards Cabout Don2)The childrens eyes _ the blackboard.Ais focused on Bfocus on Cfocusing on Dare focused on单句改错
