1、用心 愛心 專心1學習目標1.本課時四會單詞2.學會通過時間的變化來討論生活中的變化3.閱讀訓練自主學習課前導學Pair workThink of three importa nt events of your life . Why do you think they are importa nt?EventReasonPrepareAGroup workChoose five important historical events and research information about them. Then make a time line show ingwhe n the even

2、ts occurred. Use pictures to represe nt each event.BGroup workPredict five events that you think will happen in the future. Add them to your time line.Prese ntClass activityShare your time line with the class. Expla in the sig ni fica nee of each event and how you predicted future events.Liste ning

3、practiceTask 1 Liste n and an swer questi ons1.Have things cha nged a lot or a little?2.Have things cha nged for better or worse?Task 2 Listen and put these following sentences into right order, then fill in the blanksPeople walked everywhereThere was a grocery store.There was a high school.They re

4、going to build a shopping mall.They drive.It s a multiplex cinema.聽后練習：1. Please read the conversation and find out how many tenses are there? And underline.2. replace the un derl ined words to make your own con versati on課后練習：1 Complete this passage with the verbs in the box. Use the past, prese nt

5、, or future ten se. buy get have make use drive 岡 go have to sellIn many cities no wadays, food shopp ing takes very little time. In the past, peopleused to goto a differe nt shop for each item. For example, you_ meat at a butchers shop and fish ata fish market. A fruit market_ fruit and vegetables.

6、 For dry foods like rice or bea ns, you_ go to grocery stores. Today, you _ all these things at a supermarket. Many supermarkets_ a lot of money these days. But times are changing. Before long, people_ in their cars to huge superstores to buy everyth ing. And who kno ws? Soon, everyonea computerat h

7、ome. People already_them to purchase everythingfrom foodUnit9 Back to the future導學一用心 愛心 專心2Energy is very important in modern life. People use energy to run machines, heat and cool theirhomes, cook, give light, and tran sport people and products from place to place. Most en ergy no wadays comes fro

8、m fossil fuelspetroleum, coal, and n atural gas. However, bur ning fossil fuels causes pollution. Also, if we don t find new kinds of energy,we will use up all the fossil fuels in the twenty-first century. Scientistsare working to find other kinds of energy for the future.What mightthese sources of

9、en ergy be?Energy from windAll over the world, people use the power of wind. It turns windmills and movessailboats. It is a clea n source of en ergy, and there is lots of it. Unfortun ately, if wind does not blow, there is no wind en ergy.En ergy from waterWhen water moves from a high place to a low

10、er place, it makes en ergy. This en ergy is used to createelectricity .In Britta ny, France, for example, waterpower produces eno ugh en ergy to light a town of 40,000 people. Waterpowergives energy without pollution. However, people have to build dams to use this en ergy. Dams cost a lot of mon ey,

11、 so water energy is expe nsive.En ergy from the earthThere is heat in rocks un der the earth. Scie ntists use this heat to make geothermal en ergy. SanFran cisco gets half of the en ergy it n eeds from geothermal power. This kind of en ergy is cheap, but it is possible only in a fewplaces in the wor

12、ld.En ergy from the sunSolar pan els on the roofs of houses can turn en ergy from the sun into electricity. These pan els cancreate eno ugh en ergy to heat an en tire house. Solar power is clea n and there is a lot of it in sunny places. But whe n theweather is bad, there is no sun light for en ergy

13、.to furniture, from legal advice to medical help.2 Choose the correct resp on ses.1.A: When did people travel by horse and carriage? B: _In the n ext few years. About 100 yearsago.2. A: When might doctors find a cure for the flu?Nowadays. In the next 50 years.3. A: whe n did the first man go to the

14、moon? B:Sometime in the future. Today.-These days.B:- A few years ago.-About 35 years ago.4. A: When is every one going to have a computer at home? B:In the past. Right now. Soon.3 Complete the sentences. Use the words given and ideas from the pictures.1.These days,people go to the beach on vacati o

15、n. (beach) In the future,on vacati on.(Mars)2. I n the past,_3. A few years ago,_4. About a hun dred years ago,(short skirts)5. Nowadays,_they might go to Mars(collect records) Nowadays, _ (collect CDs)_ (typewriters) Today, _ (computers) _(long dresses) These days,_(20 floors) Sometime in the futur

16、e,(200 floors)Apartmentsfor rentin new20-floor buildi ng. 也叱盹卿 6 膺酈WhatfommoioenegycRead thearticle.E FUTURE OF ENERGYApartme ntsfor rentin new200-floorbuildi ng.Call 555-0925you useoin nfoomatlome?Do you thinkthiswillchange in the next 20 years?用心 愛心 專心3C What is one adva ntage and one disadva ntag

17、e of each type of en ergy? Complete the chart.Adva ntageDisadva ntagewind powerwaterpowergeothermal powersolar powerThe Internet has become part ofteenage（青少年的）life. There s a report on 3,375 students aged from 10 to 18 in seven Chin ese cities. It says that 38 per cent of them believe they use the

18、Internet ofte n. While most of them get useful in formati onand use the Internet to help in their studies, some are not using it in a good way. Many are playing online games too much. A feweven visit Websites they should not look at. Bad things can happe n if young people spe nd too much time on the

19、 Intern et.In order to help young people use the Internet in a good way, a textbook on good Internet behavior has started to be usedin some Shanghai middle schools this term. It uses real examples to teach students all about good ways of using the Internet. Itgives useful advice such as it s good to

20、 read news orfind helpful information to study. Some students also make online friends. But if you are meeting a friend on li ne, let your parents know.Teachers and pare nts all think the book is a very good idea. It will teach stude nts how to be a good pers on in the on li neworld. It will be a gu

21、ide for tee ns using the Internet and keep stude nts away from bad sites.10. The underlined word “ it ” means_.A. the book B. the report C. the Internet D. useful in formati on11. From the report, about _students between 10-18 years old in the seven cities use the Internetoften. A. 3,375 B. 1,280 C. 2,100 D. 3,00012. What d