广州版初二英语上册Unit3.doc

广州版初二英语上册Unit3巩固【课堂演练】一、重点短语回顾：1. work as从事工作 2. be unaware of没意识到，未察觉（be aware of意识到）3. depend on依靠，依赖 4. in addition除以外（还） 5. grand total总计，共计 6. look forward to doing sth.盼望，期待7. in the 1940s 20世纪40年代 8. washing machine洗衣机9. at a fast speed以很快的速度 10. happen to sb. 遭遇，在发生身上11. have nothing to do无所事事（区别：have nothing to do with与无关）12. in the past在过去 13. give advice on就给出建议14. be bad for对有害，对不利（与be harmful to意思相近）【实战演练】翻译下列句子：1. 20世纪70年代，中国的第一条铁路在上海出现了。_2. 上个月，他们去了法国。此外，上周他们还去了意大利。_3. 我觉得你比玛丽更擅长绘画。_4. 你觉得自己太依赖字典了吗？_5. 你意识到自己作业中的错误了吗？_6. Bob每天无所事事，所以他母亲要他尽快找份工作。_7. 我听说Alice的舅舅死了。他发生什么事了？_8. 除了语数外之外，我们在学习还学习了很多课程，诸如美术、音乐和体育。_二、课文重点知识梳理：1. order n.订货，订购 v.订购The factory has received an order for 200 machine tools. They ordered 1000 oil pumps from our factory.2. compare v.比较，对比compare的常见用法：comparewith把与比较，也可以用：compareandcompare to 把比作3. type v.打字 typist n.打字员 typewriter n.打字机4. brain n.脑 He suffered serious brain damage in a car accident.他出了车祸，脑部受了重伤。【提示】brain还有“脑力，智力”的意思。如：She has a very quick brain and learns fast. 她头脑灵活，学得很快。5. calculate v.计算 Did you calculate the cost?你计算过成本吗？【链接】calculation n.计算 calculator n.计算器6. Computers may work as doctors. 电脑可以充当医生的角色。work as意为“从事工作”。如： Do you want to work as an accountant? 你想当会计吗？7. In the 1940s, the first computers were bigger than cars. 在20世纪40年代，最早的电脑体积比轿车还大。（1）in the 1940s读作“in the nineteen forties”，意为“在20世纪40年代”，表示从1940至1949这十年。【思考】你能正确读出下列年代并说出它们的含义吗？1980s 1760s 1550s 1370s（2）本句中的first意为“最初的，最早的”。8. You may be unaware of them. 你有可能会忽略它们的存在。be unaware of意为“没有意识到，未察觉”，与dont know(about)或dont notice意思相近。I was unaware of the danger of the shark attack. 我没有意识到被鲨鱼袭击的危险。其反义词组是be aware of意为“意识到，察觉到”，如：Are you aware of the risk in front of you? 你意识到面前的风险了吗？9. In addition, computers can do important jobs like operating railways and flying planes and spaceships. 此外，电脑还可以做一些诸如操控铁路、驾驶飞机和宇宙飞船之类的重要工作。（1）in addition意为“另外，此外”，用于表示“除了先前提及的事物外，还有别的内容”，常常位于句首。当要表示“除了之外（还）”的意思时用in addition to，后接名词或动词-ing。如：Both of us enjoy music. In addition, we both love playing tennis. In addition to giving a general introduction to computers, the course also provides practical experience.该课程除了大致介绍电脑知识外，还提供实际操作的机会。（2）fly planes驾驶飞机；fly spaceships驾驶宇宙飞船（表示“驾驶飞行器”时一般不用drive，而用fly。）10. What will happen to us if computers can do all our jobs? 如果电脑能做我们所有的工作，我们会如何呢？happen to意为“遭遇，发生在身上”，后面常接人。如：Please tell me if anything happened to him. 请告诉我他是不是出了什么事。11. Will we have nothing to do? 我们会无所事事吗？have nothing to do = not have anything to do 意为“无所事事”。如：He had nothing to do the whole afternoon. = He didnt have anything to do the whole afternoon.注意区别：have nothing to do with表示“与无关”。如：His books have nothing to do with his life. 他的书与他的生活无关。12. inch n.英寸 We can take in an inch at the sleeves.我们可以将袖子收进一英寸。【提示】inch的复数为inches。1英寸 = 2.54cm，1英尺（foot）= 12英寸13. look forward to意为“期盼，期待”，后接名词或动词-ing形式。如：Im looking forward to the holidays. He has looked forward to going to the UK for a year.14. In the past, students used to play outside more often, but now they spend more time in front of computers.（1）in the past意为“在过去”，常用于一般过去时的句子中，描述曾经发生的事情，如：In the past, people usually travelled by ship and train, but nowadays people travel by plane often.（2）more often是often的比较级形式，意为“更常（更多频率）”。如：I hope to be with her more often. 我希望能更经常地和她在一起。15. Theyll also give some advice on how to use computers for studying.give some advice on“就给出建议”，advice为不可数名词。Please give advice on how to apply for campus housing. 请就如何申请注销提供建议。16. I hope we can all work together to stop students from spending too much time playing computer games. 我希望我们大家能携起手来阻止学生们花过多的时间打电脑游戏。stop ab. from 意为“阻止某人做”，后接动词-ing形式。She tried to stop the boy from crossing the road when the red light was on. 红灯亮时，她试图阻止那个男孩穿马路。【同步练习】（一）单项选择：( ) 9. Im looking forward to _ your letter.A. receive B. receiving C. receives D. received（二）用所给单词或汉语提示的适当形式填空：1. Tom is as_( tall) as Jim.2. Linda is the _(young) in our class.3. Fangfang is not as _(tall) as the other girls.4. Ann felt very _(happy) at her birthday party.5. Which is _(far) from us, the sun or the moon?6. She looks _(thin) than me.7. It snowed _(heavy) last night and now the streets are covered with snow.8. Jason seems to be the _(busy) man in the world.9. “The sooner, the _(good)”, the teacher said.10. Jack has the _(little) bread of the three boys.11. This box is _( heavy ) than that one.12. That is _(easy) of all.13. Who jumped _(far) of all in the long jump?14. _ _ exercise you take, _ _ (你锻炼越多就会越强壮) you will be.（三）完形填空：Tea is one of the most important and _1_ drink in China. There are many different kinds of tea. People always say, “We have 10,000 different kinds of tea.” But mostly, we have green tea, black tea, oolong tea and white tea. There are also many different kinds of flower tea.Most people know the story about Dragon Well green tea. This tea comes from the _2_ village of Dragon Well, not far from Hangzhou. Nearly 2000 years ago, the village had many months with no _3_. All of the _4_ were dying, and the farmers were very _5_. Then a man found a dragon in a _6_. He asked the dragon to get out of the well. As soon as the dragon came out, it began to rain and the crops were _7_ and the farmers were very _8_. People now call the tea from that area, “Dragon Well tea”. People in the UK, the USA and Australia drink tea too, but most people there like tea with a little _9_. According to doctors, green tea is very _10_ for you. If you want to keep fit, you should drink some every morning.( ) 1. A. popular B. interesting C. dangerous D. ordinary( ) 2. A. Japanese B. American C. Canadian D. Chinese( ) 3. A. snow B. cloud C. rain D. wind( ) 4. A. farmers B. fruits C. animals D. crops( ) 5. A. happy B. worried C. angry D. excited( ) 6. A. field B. street C. hill D. well( ) 7. A. saved B. died C. pollute D. sold( ) 8. A. worried B. interested C. thankful D. frightened( ) 9. A. salt B. sugar C. coffee D. chocolate( ) 10. A. helpful B. wonderful C. powerful D. harmful（四）语法选择： In the USA，children start school when they are five years old. In some states they must stay in school 1 they are sixteen. But most students are seventeen or eighteen years old when they 2 secondary schools(中学). There are two kinds of schools in the USA, public schools and private schools. 3 children go to public schools. Their parents dont have to 4 their education because the schools get 5 from the government. If a child goes to a private school，his parents have to get enough money for his schooling. Some parents 6 like private schools though they are much more expensive. Today about half of the high school students 7 in universities after they finish secondary schools. A student at a state university wont have to pay very much 8 his parents