1、The work on the early people depends on the dates given to the bones that are found.If the dates are wrong,all the data about early people may also be wrong.So Zhou Heping is very interested to find out how archaeologists make sure that their dates are accurate.1.Listen to Part 1 of the tape and fil
2、l the layers in the“wastepaper basket”diagram below.yogurt potsorange skinwastepaperused envelopesThe waste paper basket2.Listen to Part 2 and complete the passage.It uses radioactivity to measure the amount of _ in living things.The _ in a dead body _ at a _ rate.We know how long that takes,so we c
3、an measure the amount of _ and _ how old a bone is.carboncarbondisappearsfixedcarbonwork out3.Look at this archaeological drawing of a section showing buildings at different times and work out the order in which they were built.The oldest building is B because it has no layers underneath it.The seco
4、nd oldest building is C because it has one layer underneath it.That layer is the remains of the building in B.The most recent building is building A.It has two layers underneath.They are the remains of buildings B and C.Can you guess what would be eaten on the feast in 18,000 BC?What kind of food di
5、d Lalas family prepare for the feast?nuts,fruits,fish,the deer and pig meat.Please decide whether the statements are true or false.1.Lalas family groups usually lived together.2.Dahu was good at making tools.3.The family groups lived on hunting.4.Dahu went out to sharpen the scrapers to kill an enem
6、y.FTTF_ separately_ scrape the fishAnswer the following questions.1.Which jobs did Dahu do?2.Which jobs did Lala do?Catch fish,collect wood,make the scraper sharpening,make tools.Collect fruit and nuts,prepare food.3.Who does the most dangerous tasks?4.Where does the danger come from?Men do the most
7、 dangerous tasks.The danger comes from the wild animals.5.Did men and women have separate responsibilities(分工)then?If so,what were the differences between them?Mens tasks:more dangerous,require more strengthWomens tasks:more carefulMens tasks:patient(tool making),dangerous(hunting),some individual(t
8、ool making and repairing)and some co-operative(hunting),skilful(tool making)Womens tasks:co-operative(cooking),caring(providing food),patient(collecting food),skillful(cooking),individual(collecting nuts and fruit)In groups discuss whether they were mens tasks or womens tasks at that time.1 Making a
9、nd repairing tools 2 Collecting nuts,fruit and water 3 Protecting the group from harm 4 Cutting down treesMWMM 5 Cutting up meat and fish for cooking 6 Preparing skins to make clothes 7 Hunting animals 8 Looking after children WWWM Not having _ and planned better,Lala felt very worried about the pre
10、parations for her feast.So she turned for home quickly with her _ of nuts,melons and other fruit.Fill in the blanks according to the text.looked aheadcollectionWhen she was near home,a delicious smell _ her progress and she became dizzy with hunger.She saw her mother and aunts _ the deer and pig mea
11、t over the fire.Just then Dahu,her _,as well as the best _,came back with several _.arrestedpreparinghusbandtoolmakerfishLater he began his task:he _ his scrapers until they were sharp enough to _ the meat and to scrape the fish.Soon,the first of the guests began to arrive.Lala hoped it was going to
12、 be just as wonderful as last year!cut upsharpenedSome people say:“It is women that should stay at home and take care of the family.”Do you agree or not?Please give your reasons.The expressions may help you.In my opinion,I(dont)agree because I support because No,I cant agree with because No,thats no
13、t reasonable because1.If only it could be just like last year!要是能像去年那样就好了!If only但愿.;要是就好了。其后一般用虚拟语气。e.g.If only she had looked ahead and planned better.If only he had come.2.She had felt so proud as the group shouted loudly to applaud his choice.applaud v.赞赏,鼓掌e.g.Everyone applauded when the play e
14、nded.演出结束时,大家都热烈鼓掌。I applaud your decision.我赞成你的决定。根据汉族意思完成句子。今天我们不能不为他这个决定而欢呼。Today we can only _.applaud his decision3.Lala accelerated her walk up the path to the caves acceleratea.加速,促进加快.的速度e.g.What can be done to accelerate the process?可以做什么来加速这个过程呢？b.(正式)催促e.g.He decided to accelerate his cou
15、rses.他决定加快他的课程进度。4.when a delicious smell arrested her progress and she stopped.arrest v.引起注意，吸引;逮捕n.逮捕；拘留e.g.The bright colors of the flowers arrested Susans attention.花的艳丽色彩引起苏珊的注意。Police arrested five young men in connection with one of the attacks.警方逮捕了与其中一次袭击有关的5名青年男子。根据汉语意思完成句子。1)一幅异乎寻常的画吸引了他的
16、注意。An unusual painting _.2)警察破门而入，逮捕了杀人犯。The police broke into the room and _.3)罪犯已被捕。The criminal is _.arrested his attentionarrested the murdererunder arrestThe criminals _ and would be soon sentenced to death.A.are arrested B.were arrested C.being arrested D.has been arrested【解析】考查动词的时态。由后半句的过去将来
17、时推知罪犯已经被逮捕了,所以用一般过去时的被动语态。B5.,her senses became dizzy with hunger.dizzy adj.眩晕的,眼花的(感到眩晕并要摔倒的)e.g.a dizzy height 令人晕眩的高度The old woman was dizzied by the strong wind.那位老太太被风吹得头昏眼花。The disaster dizzied his brain.那场灾难弄得他头脑昏乱。6.Abruptly she sat down,only to bescooped up by her laughing,shouting sister,L
18、una.考点 only to do 是不定式作结果状语，表示意料之外的结果。He hurried to the booking office only _ that all the tickets had been sold out.A.to be told B.to tell C.told D.telling 点拨 tell与句子的主语he之间构成逻辑上的动宾关系。1.The police have a_ two suspects in connection with the bank robbery.2.The _(放射性的)waste should be buried deep unde
19、r the ground in sealed boxes.I.根据下列各句句意及所给单词的首字母或汉语提示,写出各单词的正确形式。arrested radioactive3.The driver stepped on the gas and a_ the car.4.Americans in my neighborhood used to make their own _(酸乳酪).5.The new method caught on and many peasants became very _(熟练的)at it.acceleratedyogurtskilful6.It was so ho
20、t in the room that she felt _(目眩的).7.The audience a_ the singer for three minutes for his excellent performance.dizzyapplauded1.我正在街上走,就在这时有人从后面叫我。(when)II.根据括号内的提示将下列句子翻译成英语。I was walking in the street when someone called me from behind.2.我们走了很长一段路去看他，没想到他刚好去乡下了。(only to)We walked a long way to see
21、 him,only to find that he had just left for the countryside.3.在进一步进行这件事之前,我们必须为将来考虑。(look ahead)4.要是他们现在在这里,我们就能庆祝他们的结婚纪念日了。(if only)We must look ahead before we go further into the matter.If only they were here now,we would be able to celebrate their wedding anniversary.5.领先者在其余赛跑者加速时就逐渐失去了优势。(accelerate)6.她得意扬扬地摆列出她的饰品集。(collection of)The leader is losing ground as the rest of the runners accelerate.She proudly displayed her collection of ornaments.
