Unit 4 Period 2 Using language（课件）英语外研版选择性必修第三册

Using language Unit 4 A glimpse of the future 外研版2019选择性必修第三册 Contents 1. Lead in 2. Presentation 3. Listening 4. Speaking 5. Summary 6. Assessment 7. Homework 01. Lead in lead Look at the sentences from the reading passage and answer the questions. 01 a …50 per cent of my time was spent researching new restaurants. b Every recommendation she gives me is great… c … almost 50 per cent of US jobs are at risk from automation in the next 20 years. d …none of us is prepared for the challenges of AI. lead Look at the sentences from the reading passage and answer the questions. 01 1.Why is 50 per cent singular in sentence (a) but plural in sentence (c)? a. ...50 per cent of my time was spent researching new restaurants. c. ...almost 50 per cent of US jobs are at risk from automation in the next 20 years. Because in sentence (a), the part “50 per cent” is followed by the uncountable noun “time”, while in sentence (c), the part “50 per cent” is followed by the countable noun “job” in its plural. lead Look at the sentences from the reading passage and answer the questions. 01 2.What are the subjects in sentences (b) and (d)? Are they singural or plural? b. Every recommendation she gives me is great... d. ...none of us is prepared for the challenges of AI. In sentence (b), the part “Every recommedation” is the subject. In sentence (d), the part “none of us” is the subject. Both are singural. . lead Complete the passage by choosing the singular or plural form. 02 Nowadays, some companies offer genetic testing for children’s talents. A large number of clients have / has been attracted to it. They are parents, eager to know what talents their children may have in the future. The process is simple. Every child provide / provides a small sample of blood or body tissue. This is / These are analysed. Each of the children is / are given a report showing their possible talents. A recent example cited on the website is that one of the testing companies compare / compares the talents of twins Bobby and Benny. Bobby was assessed and his talents was / were revealed to be mostly scientific: a 66% chance of success in chemistry and 54% in physics √ √ √ √ √ √ lead Complete the passage by choosing the singular or plural form. 02 was / were shown. Meanwhile, Benny’s highest score was / were shown to be in an arts subject: the test gave him 68% for literary studies. Is genetic testing reliable? Some scientists say that more evidence is / are needed. √ √ √ 02. Presentation lead 主谓一致 Subject-verb agreement 语法一致原则 意义一致原则 就近原则 lead 语法一致 01 1. 不定式, 动名词, 以及从句作主语时应看作单数,谓语动词用单数。 每天早晨朗读英语有许多好处. Reading often ________ learning . 读书常常意味着学习. What he said _____ been recorded . 他说的话已被录音了. means has lead 语法一致 01 2. 不定代词one, every, each, everybody, everyone, one of, no one, nothing, nobody, someone, somebody, either, neither, many a 等作主语或是修饰主语时应看作单数,谓语动词用单数。 3. 当主语是a number of+复数名词时，谓语动词用复数；当主语是the number of+可数名词时，谓语动词用单数。 A number of students ____ (be) interested in the war film directed by Steven Spielberg. Since the famine broke out, the number of people dying of starvation ___________________(increase). has been increasing are lead 语法一致 01 4. 当用and连接的名词前面有each,every等修饰时，谓语动词用单数。 each…and…, every…and every …,many a… and… 。 Jim and Mary ____(be) specialists in cancer research. Both Mark and his parents _____ sitting in the shade of a tree. are are lead 意义一致 02 谓语动词的单复数形式由主语的意义而不是形式所决定。 1）单复数同形的名词作主语时，常见的这类词有 sheep, deer, fish, crossroads, means, series, species, works (工厂), 等 A sheep ___ eating grass on the hillside when the outstanding pilot made a fored landing. was lead 意义一致 02 谓语动词的单复数形式由主语的意义而不是形式所决定。 2）有些集合名词，如public，family, enemy, audience，government，group，committee，team，media，staff，crew等作主语时， 如果该名词表示一个整体，其谓语动词用单数形式；但如果这些集体名词表示集体中的若干个体时，谓语动词用复数形式。 The team which __ well organized is more likely to win. The team ____ practicing hard on the playground. is are lead 意义一致 02 谓语动词的单复数形式由主语的意义而不是形式所决定。 3）physics, mathematics, economics, politics等，以及用作书名、地名、国名、地区名的复数名词作主语时，谓语动词用单数形式, 但如果是山脉、群岛、海峡、瀑布等的名称，谓语动词用复数形式 Physics ____ her favorite subject. The United Nations _____a world organization. is is lead 意义一致 02 谓语动词的单复数形式由主语的意义而不是形式所决定。 4）“the+形容词/分词”表示一类人时，谓语动词用复数形式；表示某个人或抽象概念时，谓语动词用单数形式。 The wounded saved by the villagers at last. The old in the village ____ living a happy life. are were lead 意义一致 02 谓语动词的单复数形式由主语的意义而不是形式所决定。 5）表示时间、金钱、距离、重量等的复数名词作主语时,通常被看作整体，谓语动词用单数形式。 Twenty kilometers ___ a quite long distance. Fifty dollars ____ a large sum for me at that time. is was lead 意义一致 02 谓语动词的单复数形式由主语的意义而不是形式所决定。 6） “all/most/half/plenty/some/the rest+of+名词/代词”或“分数百分数 +of+名词/代词”作主语时，若of 后的名词或代词为单数形式，谓语动词就用单数形式；若of 后的名词或代词为复数形式，谓语动词就用复数形式。 Two fifths of the land ________ (cover) with trees. 20% of the workers in the factory _____(be) women. is covered are lead 就近原则、就远原则 03 由or, not only…but also…, whether ...or..., either…or…,neither…nor…连接；there be句型 两个并列主语时，谓语的数与最邻近的主语一致。 1) Either I or they _____ responsible for the result of the matter. 2) Not only he but also all his family _____ keen on concerts. are are lead 就近原则、就远原则 03 当主语由as well as等词修饰时的主谓一致 当句中的主语后接as well as, along with, together with, including, accompanied by等短语+名词（代词）时，用就远原则（A as well as B，谓动与A一致） The teacher, as well as all his students, (impress)by the dancer’s performance. was impressed lead Complete the description according to the charts, paying attention to subject-verb agreement. 04 Future Last week, we asked you to design your ideal planet for people on Earth to live on in the 22nd century. We have received over 500 entries and have been amazed by your imaginations! Here’s one of the designs. lead Complete the description according to the charts, paying attention to subject-verb agreement. 04 Three quarters of the surface is made up of land, while the rest is sea, covering 25% of the surface. Half of the land is covered with trees. Residential area and arable land both account for the same proportion, 20% of the total land. The rest is desert, covering 10% of the total land. Surface Surface Sea 25% Land 75% sea land 25 75 Land Land Residential area 20% Arable land 20% Residential area Forest Desert Arable land 0.2 0.5 0.1 0.2 lead Complete the description according to the charts, paying attention to subject-verb agreement. 04 There are three kinds of people. Fifty per cent of the people are original residents, 30% are from Earth and 20% are from other planets. People People From other planets 20% Original residents 50% From earth 30% From other planets Original residents From earth 0.2 0.5 0.3 lead Exercises of Grammar 1. The teacher, with 6 girls and 8 boys of her class,　　　　　(visit) a museum when the earthquake struck.  2. Two fifths of the land in that district 　　　(be) covered with trees and grass.  3. With more forests being destroyed , huge quantities of good earth 　　　　　________________(wash) away each year.  4. He is the only one of the students who　　　　　 (be) a winner of scholarship for three years.  was visiting is are being washed has been lead Exercises of Grammar 5．Large quantities of goods (send) to the earthquake­-stricken area. 6．Each of the students in Class 29 (have) at least three dictionaries. 7．A large number of students in our school (be) from the countryside. 8．Someone (wait) for you at the theater gate. have been sent has are is waiting 03. Listening lead Do You Know? Time travel could result in a paradox — an event that contradicts itself. For example, if a person travelled back in time and prevented an event, that event would never have happened; there would therefore be no reason for the person to travel back in time to prevent it. 时间旅行可能会导致一个悖论---一个自相矛盾的事件。例如，如果一个人回到过去并阻止了一件事，那件事就永远不会发生；因此，这个人没有理由回到过去阻止它。 lead Listen to the conversation and choose its main idea. 01 Time travel is dangerous. Talking to people in the past can change the future. Anything you say or do in the past can affect the future. 4.Time travel within your own lifetime should be avoided. Correct answer: 3 lead Listen again and complete the table. 02 RULE 1 1______________________________ • A tourist wants to 2_____________________________________________ because3____________________________________. • The guide told her4________________. Don’t talk to anybody. tell her 8-year-old self to buy shares in companies that are profitable today she wants to become rich not to do that lead Listen again and complete the table. 02 RULE 2 5__________________________________ ● The guide said that 6_________________________ ___________________________________________ Be careful not to break anything. breaking something could also cause a paradox and change your path through life. lead Listen again and complete the table. 02 RULE 3 7__________________________________ _________________________________________ ● A tourist wants to 8_________________________ ● The guide told him not to because 9 ___________ ___________________________________________ Never give anything from our time to someone in the past. give a present to his father. anything that doesn’t belong to that time may have an impact on someone and cause a paradox. lead Now work in pairs. Take turns to be the guide and explain the rules of time travel. 03 1. There are altogether 3 rules of time travel. The first is ..., the second is ..., and the last one is ... 2. There are 3 rules of time travel in total. The first is ..., the second is ..., and the last one is ... 3. Every tourist is supposed to bear 3 rules of time travel in mind. The first is ..., the second is ..., and the last one is ... Sentences that may help you explain the rules: lead Complete the boxes with the expressions from the conversation. Amazing! Wow! I can’t wait to ... So, what you’re saying is that ... How about ... Imagine how excited ... 04 That’s OK, isn’t it? Are you serious? Let me get this straight. You mean that ... It’ll be exciting enough to ... lead Complete the boxes with the expressions from the conversation. Asking for confirmation Expressing excitement Amazing! Wow! I can’t wait to... Imagine how excited... It’ll be exciting enough to... So, what you’re saying is that... How about... That’s OK, isn’t it? Are you serious? Let me get this straight. You mean that... 04 lead Read the passage and put the expressions in bold into the boxes. 05 Besides time travel, we have much to look forward to in the future, thanks to advances in technology. One area that is likely to change dramatically within our lifetimes is medical care. Although I wouldn’t bank on patients feeling confident about seeing a robot doctor any time soon, I’m sure that AI doctors are on the horizon. I think it’s also fair to say that we can get our hopes up when it comes to finding cures for serious diseases, such as cancer. I reckon that nanorobots that can eliminate cancerous cells are just around the corner. Some of these ideas may sound far ahead of their time, but I’m sure they’re bound to happen sooner or later! lead Read the passage and put the expressions in bold into the boxes. 05 Expressions about time Expressions about expectation within our lifetimes any time soon on the horizon around the corner far ahead of their time bank on get our hopes up bound to happen lead Complete the passage with the expressions in Activity 8. 06 Who knows in what exciting ways transport will change 1 ________________? Trains that travel at the speed of today’s aeroplanes may sound 2____________________, but scientists are already developing “hyperloop” trains that travel at over 1,000 km per hour. And although we can’t 3__________flying cars being the norm 4 _______________, there are plans to introduce flying taxis that will be stationed on rooftops around busy cities. within our lifetimes far ahead of their time bank on any time soon Many cities already have elevated cycle paths and I’m sure that these are 5 ______________ for many others around the world. As well as faster, safer and more comfortable transport being just 6____________________________, we can also 7_________________ about shorter waiting times, with companies intending to provide on-demand services. get our hopes up bound to happen on the horizon / around the corner 04. Speaking Read the introduction to UN peacekeeping and answer the questions. Pay attention to the words and expressions in bold. lead Work in pairs. Talk about another aspect of life in the future using the expressions you have learnt in this section. Now think about how effectively your partner used these expressions, and what you could learn from him or her. 05. Summary 06. Assessment lead Learning Objectives Score(1-5) 1.To observe the example sentences, find and summarize the form and use of the collective noun as the subject is subject-verb agreement. 2.To use subject-verb agreement principle to complete discourse activities. 3.To master the application of subject-predicate agreement in real life. 5-完全能；4-基本能；3-不确定；2不太能；1-完全不能 07. Homework lead 现在,许多网络游戏影响着孩子们,因此家长要行使监督管理的责任,避免孩子做出违法犯罪的事。用括号内所给的提示词将下面几个要点连成一段话。 1.有些孩子喜欢玩电脑游戏,这对他们的学习有潜在的影响;(potentially) 2.有些孩子易受暴力行为的影响,做不道德或者违法的事;(susceptible, immoral, illegal) 3.家长应该充当孩子们的助手,帮助孩子们提高判断能力;(assistant, capacity) 4.家长也必须约束孩子们的行为。(regulate) lead Some children like playing computer games, which potentially affect their study. Even worse, some of them are susceptible to violent actions and do immoral or illegal things. As a result, parents should serve as assistants of their children and help them improve the capacity of judgement. Meanwhile, they must also regulate their children’s behavior. Thank you for your listening null Other 214478.42 $