江苏省徐州市王杰中学高一英语课件：Unit3 Reading2(牛津译林版必修4)

-fllUnit 1 The world of oursenses Welcome to the unitBrainstorming■With what can we see and hear?■How can we know whether a dish is delicious?■How can we know that a flower has a pleasant smell?■What do we do when we want to know whether the water in the basin is hot or cold?Fill in the tableWhat would happen if you lostone or two of your senses?■ A person who cannot see is a nd someone whocannSfflar isdeaf -Do you know how blind peoplecan read?They can read by touching raised dots which represent numbers and letters. This system is called Braille・How do the deaf communicate with each other?They use body language orsign language・Road the short passage on page 1Look at the four pictures and answerthe question below each picture・1. What can you see in this picture?2. How would you judge the length of the twolines?3. How can you prove that the two lines arestraight?4. Can the symbols be read in only one way? ■ Why are people puzzled by their own eyes?What do you see in the picture?Jalnod £1u-pu 匸 noA ueo ①-do ①d AueE MOHHow many people in the picture?Why there is a hole?這怎麼可能呢？Fill in the blanks with words that have something to do with “senses”. When he got there, he noticed that there was a dark hole. He ______ 儿 but couldHe ___________ t he side ______ hot- Suddenly soMtnoises were ___________ from the hole. It heard like someone was cooking insMmded seeothing. He _____ nothiihg^adither. He could for HeUBtfeikmlears, he it something f&QAQd.Discussion■Read the three questions in the short passage and discuss them in groups of four.■Report your answers to the whole class.Some great people who have lost one or two of his senses。

Unit 3 Back to the i i i >pas ti i i i 譬Grammari Preserrt perfect tenseThe uses of the present perfect tense —i lie ui^dppudiuiiue―tn tin (make)Kelly very unhap即少made• We use the present perfect tense to talk about things that happened in the recent past, but are connected to the present.Complete the following sentences with theproper tense.■1 We have studied(study) English for about five years・■2 They have lived(live) in the south since their daughter was born・■3 I have read(read) your article three times・It's well written・■4 The student has finished(finish) her homework al ready.■5 Eric has gone(go) back to his hometowntoday ・■6 The police have just finished(just finish) searchina the area. _____________________ VX Wm ■■ ■ ■ ■ ■w ■ ■ wF W* ■ VX ■■He has just gone out.(=He went out a few minutes ago.)■We use the present perfect tense here to tell others that he isn't here now.■I have just heard the news.(Now I know the news.) We use the present perfect tense to talk about actions that were completed only a short time ago・In this case, just is used・ Pay attention to_ £: JL ； A 厂■ ■ 鼻___________________________________________________________________________________________________________________________________________ tne position OT just.■ We can also use the present perfect tense for repeated actions, that is, we use the present perfect tense with the time expressions once/twice/three times..・■ Look at the following sentences and point out what tense or tenses are used in them and the reasons why they are used.The present perfect tense and the past simple tense■ Read the diary entry and then complete it using the correct forms of the verbs in brackets.■ (2) saw (3) has visited (4) loves (5) hasn't visited (6) has swum (7) has never met (8) has dived (9) has found (10) hasn't found (11) Has, been■ Go over Points 1 and 2 on page 9.■ We form the present perfect continuous tense with have/has been and the present participle of the verb・■Answers: (2) have been talking (3) have been taking (4) have been watching■(5) have seen (6) have been writing■ Present perfect or presentperfect continuous tense?■Li Jia has read a book about Stonehenge ・■Li Jia has been reading a book about Stonehenge.how many times/how longA state verb or an action verb■I've never visited Paris.・Lve already been to Paris・■always, never, yet, already and ever can't be used in a continuous tense.■Sample answers■B 1 He has been waiting at an underground station.■2 They have been traveling in an UFO. It looks like a saucer.■3 They probably have talked to animals or plants on the earth as well as creatures on other plants・■4 They have visited Mars，Venus, Jupiter and some other planets.■How long have you learnt English? Or■How long have you been learning English?■It has snowed for a long time・■It has been snowing for a long time・Both present perfect tenseand present perfectcontinuous tense■ An action which began in the past and is still continuing or has only just finished can, with certain verbs, be expressed by either the present perfect or present perfect continuous.Verbs which can be used in this way include expect, hope, learn, lie, live, sleep, sit, study, wait, want, rain, etc.■Homework■Part C1 and C2 on page 88 in Workbook ■Prepare Task。