1、【版本：外研册别：选择性必修一】Grammar IIVVocabulary buildingIIListening&speakingIIIHomeworkcontentsIGrammarQ1.Which of these statements is true about sentence(a)?(1)Wild animals started using these passages in the past.(2)Wild animals used these passages only once.(3)Wild animals still use these passages now.a.Wi
2、ld animals such as these Tibetan antelopes have now been using these passages for years.b.before I know it,we have reached Tanggula Station.Q2.What is the difference between the expressions in bold in sentences(a)and(b)?They are different in form and meaning.For sentence(a)the form is“have been doin
3、g”,while for sentence(b)the form is“have done”.In meaning,the bold part in sentence(a)means the action is continuous from the past;while the bold part in sentence(b)means the action happened once in the past.a.Wild animals such as these Tibetan antelopes have now been using these passages for years.
4、b.before I know it,we have reached Tanggula Station.现在现在完成进行时完成进行时表示表示动作从过去某一时间开始一直持续到现在动作从过去某一时间开始一直持续到现在，这个这个动作可能终止，也可能还在进行动作可能终止，也可能还在进行。1.现在完成进行时的概念现在完成进行时的概念present perfect continuous2.现在现在完成进行时完成进行时的形式的形式 have/has been doing 3.现在完成时和现在完成进行时的区别现在完成时和现在完成进行时的区别 1）在不用时间状语的情况下，现在完成进行时的动作不一定已经 完成，很
5、可能持续下去，而现在完成时一般表示动作已经完成。即现在完成进行时强调动作的延续性，而现在完成时强调动作 的结果。a.I have been designing solar racing cars.我一直在设计太阳能赛车。我一直在设计太阳能赛车。b.I have designed five or six different cars.我已经我已经设计了五六辆不同的小汽车设计了五六辆不同的小汽车了。了。present perfect continuous3.现在完成时和现在完成进行时的区别现在完成时和现在完成进行时的区别 2 2）现在现在完成进行时完成进行时往往表示动作在往往表示动作在重复重复，而
6、，而现在完成时现在完成时一般一般不不表表 示动作的重复示动作的重复。a.I have been taking part in races for four years.我四年来一直我四年来一直在参加比赛。在参加比赛。b.How many races have you taken part in?你你参加了多少参加了多少场比赛了？场比赛了？present perfect continuous3.现在完成时和现在完成进行时的区别现在完成时和现在完成进行时的区别 3 3）现在完成进行时现在完成进行时与所有进行时态一样带有与所有进行时态一样带有感情色彩感情色彩，可使，可使表达表达 显得显得生动，而生动
7、，而现在完成时现在完成时往往只表明一个往往只表明一个事实事实、一种、一种影响影响或或结结 果果，不带感情色彩不带感情色彩。What have you been doing?You looked fed up.你一直在干什么呀？你看上去很不高兴。present perfect continuousa.A private detective has been tailing him for several weeks.一个私人侦探几个星期以来一直在跟踪他一个私人侦探几个星期以来一直在跟踪他。b.Craig loves outdoor activities he skis in winter and
8、 has been fishing and hunting since he was a child.Craig 热爱户外活动。冬天他去滑雪，他从小就热爱户外活动。冬天他去滑雪，他从小就开始钓鱼开始钓鱼和打猎。和打猎。4.常与现在完成进行时连用的时间状语常与现在完成进行时连用的时间状语 现在现在完成进行时常与完成进行时常与表示一段时间的状语表示一段时间的状语连用，例如：连用，例如：all the time,this week,all night,these few days,for ,since 等等。present perfect continuousI 1_(hear)a strange
9、sound for a while.Its a deep,loud roar,like a lions.But there arent any lions here.Or are there?Soon I see what 2_(make)the noise:a howler monkey.Now I feel less worried.Realising that something 3_(move)on my shoulder,I turn my head to look at it.Oh no!Its a giant spider!I brush it off and it runs u
10、nder some leaves.I try to bat away the huge insects,which 4_(fly)around my head in a black cloud for quite a while.I pull off the headset and Im back in my living room.Thank goodness!I 5_(give)the latest virtual reality headset and,for the last twenty minutes,I 6_(use)it to explore the Amazon.This i
11、s an amazing experience and a reminder of how many species there are in the rain forest.We must do all we can to protect it.have been hearinghave been givenis movinghas been makinghave been usinghave been flying 1.The number of trees has been increasing in the last 20 years.2.Desert areas have been
12、reducing in the last 20 years.3.Butterfly population has been increasing/becoming larger and larger in the last 20 years.Talk about how the environment where you live has changed.Use present perfect continuous tense where appropriateIIListening&speakingEcotourism is a type of tourism that conserves
13、the environment.It encourages people to be responsible travellers and involves educating them about the natural world.Did You Know?For countries such as Costa Rica,Kenya and Nepal,ecotourism is an important part of the economy.Some ecotourism holidays involve voluntary work,such as planting trees or
14、 counting endangered animals.a.Australiad.South Africab.Nepalc.ThailandP66P66Rachel wants to:1_ and plant trees.also 2_ rhinos,which will help protect them.eat local food.Rachels dad thinks:he can eat that kind of food at home.the activities sound like 3_.hard workcounthike in the mountainsThe first
15、 optionRachel wants to:look after 4_.sleep in a tree house.Rachels dad wants to:5_ and read a book.lie on the beachelephantsThe second optioncompromiseThey will stay in 6_.Rachel can do ecotourism activities while her dad does what he likes.They will go on 7_ of the jungle.a nice hotela one-day bike
16、 tourP66Persuading othersCompromising The fact is that.Wouldnt you agree that.?I agree,but Lets find a compromise.Lets meet in the middle.As a compromise,IIIVocabulary buildingWhite Beach is a beach on the island of Boracay in the Philippines.Its white sand,which bends towards the turquoise water,is
17、 dotted with palm trees.White Beach is of course a beautiful place to relax in a sun lounger and watch the spectacular sunset.Background informationAs tourism develops,people are becoming increasingly concerned about the environment.Here in our city,there is a heated discussion about whether a hotel
18、 should be built at White Beach.The owner of the company thinks the hotel would attract more tourists,which will 1_ and 2_.However,the local people worry that building the hotel is 3_ and will 4_,in particular the turtles which lay their eggs on White Beach.But they also admit that building the hote
19、l will 5_ for people living in the area.Even though the owner of the company guarantees that the design will be in harmony with its beautiful surroundings,the local people are still concerned that the hotel may 6 _ _.Increased tourist numbers will also mean more cars and aeroplanes,which in turn mea
20、ns 7_.create new opportunities for new businesseshelp the local economynot eco-friendlydisturb the wildlifeprovide more jobsnatural resourceshigher carbon emissionsuse upAdvantages1.not eco-friendly 2.disturbing the wildlife 3.using up natural resources 4.higher carbon emissions5.polluting inshore s
21、eawater 6.destroying local ecological environment.Disadvantages1.attracting more tourists 2.creating opportunities for new businesses 3.helping the local economy 4.providing more jobs for people living in the area5.raising awareness of protecting local wildlife6.providing locals with a chance to experience cultures .Student B:You are a conservationist who wants to protect the wildlife there.Student A:You are a hotel operator who wants to build a hotel on some forested land.IVHomework
