（新教材）高中英语人教版选择性必修第二册Unit 1 全章课件（共5讲）.pptx

1、Unit 1 Science and Scientists Period 1 Reading and Thinking () 语篇研读课语篇研读课 自主素养储备 . 新词相知新词相知 (一一)连线相匹配的英语释义。连线相匹配的英语释义。 1. severe 2. frustrated 3. infection 4. proof 5. raw 6. decrease 7. pure 8. transform a. cause to become shorter, smaller or less b. the act or progress of causing or getting a dise

2、ase c. change the shape, appearance, quality or nature of something d. (of food) not cooked; in the natural state; not yet treated for use e. any factual evidence that helps to establish the truth of something f. not mixed with any other substance g. disappointingly unsuccessful h. intensely or extr

3、emely bad or unpleasant in degree or quality 答案答案: 18. hgbedafc ( (二二) )结合语境结合语境, , 从上面的表格中选择恰当的单词填空。从上面的表格中选择恰当的单词填空。 1. Im feeling rather _ in my present job; I need a change. 2. Guterres congratulates China on the significant _ of COVID-19 cases. 3. He is not satisfied with his life and he wants

4、to _ himself into a successful businessman. 4. The air is very _, and it often rains here. 5. Last year a _ storm turned the small village down to ground. frustrated decrease transform pure severe 6. Do you want your vegetables cooked or _? 7. He hasnt got any _that this bike belongs to him. 8. The

5、medicine was used to protect the whole population against _. raw proof infection . 短语熟记短语熟记 1. subscribe _ 同意同意; 赞同赞同 2. find _ 找出找出; 查找查找; 发现发现 3. _ general 通常通常; 大体上大体上; 一般而言一般而言 4. die _ 死于死于(某种疾病某种疾病) 5. once and _all 最终地最终地; 彻底地彻底地 6. _ a result of 因为因为; 由于由于 7. move away _ 搬走搬走; 摆脱摆脱; 远离远离 to

6、out in from/of for as from 8. be to _ 该受责备该受责备; 该负责该负责 9. be _ to 有可能有可能 10. thanks _ 幸亏幸亏; 由于由于 blame likely to 【课文浅触课文浅触】 1. Read John Snow Defeats “King Cholera” and try to tell us what King Cholera is. _ _ 2. How do you think it can spread? _ _ King Cholera is a deadly infectious disease. It oft

7、en breaks out in summer and autumn. I think it can spread by drinking infected water, eating raw or undercooked food. Whats more, it can spread from contact with infected people. 探究素养提能 Step 1 Pre-reading 1. Look at the pictures and tell us who they are. A: _ B: _ C: _ Tu Youyou Yuan Longping Zhong

8、Nanshan 2. Can you tell us what achievements they have made? _ _ _ _ _ _ Tu Youyou discovered artemisinin(青蒿素青蒿素), a drug that has greatly reduced the death rates for patients suffering from malaria(疟疾疟疾). Yuan Longping developed the hybrid rice, which helps to overcome the food shortage problems in

9、 China, even in other developing countries. Zhong Nanshan has made many great achievements in the fight against COVID-19. Step 2 While-reading . Read the passage and finish the following task. What does the passage mainly talk about? _ _ The passage mainly talks about how John Snow found the cause o

10、f “King Cholera” and finally the disease was defeated. . Match the main idea with each paragraph. . Choose the best answer. 1. Which of the following did John Snow think was the most important to defeat a disease? A. Finding its cause. B. Finding its cure. C. Finding its result. D. Finding its harm.

11、 2. Which of the following streets had the most deaths from cholera? A. No. 40 Broad Street. B. No. 8 Cambridge Street. C. No. 21 Broad Street. D. No. 9 Cambridge Street. 3. Why did some households in No. 20 and No. 21 Broad Street had no deaths in the outbreak of cholera? A. Because they worked in

12、the pub at 7 Cambridge Street which had cleaner conditions. B. Because they had drunk free beer instead of water from the Broad Street pump. C. Because the beer they had drunk could prevent against cholera. D. Because they had known the water from the Broad Street pump was dangerous to drink. 4. Wha

13、t can we learn from the passage? A. Polluted water was a main reason for spreading cholera. B. Broad Street and Cambridge Street had their own water pumps. C. Cholera spread through air. D. John Snow found the cause of cholera by accident. 答案答案: 14. AABA . Sentence explanation. 1. Snow began by mark

14、ing on a map the exact places where all those who died had lived. 分析分析: by引导的介词短语在句中作引导的介词短语在句中作_; where引导引导_, 修饰先行修饰先行 词词places; on a map为地点状语前置为地点状语前置; who引导的定语从句修饰先行词引导的定语从句修饰先行词_。 句意句意: _ _ 方式状语方式状语 定语从句定语从句 those 斯诺开始通过在一张地图上标明所有死者住过的确切的地方开始斯诺开始通过在一张地图上标明所有死者住过的确切的地方开始(调查霍调查霍 乱的原因乱的原因)。 2. The

15、people who drank this water were much more likely to get cholera than those who drank pure or boiled water. 分析分析: than引导引导_; 两个两个who引导的是定语从句引导的是定语从句, 分别修饰分别修饰_和和 _; be likely to 意为“意为“_”。 句意句意: _ 比较状语比较状语 The people those 有可能有可能 喝这种水的人比喝纯净水或是开水的人更有可能感染霍乱。喝这种水的人比喝纯净水或是开水的人更有可能感染霍乱。 Step 3 Post-readin

16、g John Snow was a famous doctor in London, who was so expert that he attended 1. _ Queen Victoria as her personal physician. But he was better- known for 2. _ (defeat) “King Cholera”. Cholera was a 3. _ (dead) disease and neither its cause 4. _ its cure was understood. John Snow wanted to face the c

17、hallenge and solve the problem. He 5. _(suspect) that people absorbed this disease into their bodies with their meals. So when another severe outbreak hit London, he began his enquiry. He found that many victims 6. _ (link) to the outbreak were near to defeating deadly nor suspected linked the water

18、 pump, so he had the handle 7. _ (remove). Soon afterwards the disease slowed down. He drew 8. _ conclusion that the polluted water was 9. _(blame). The water 10. _(company) were instructed not to expose people to polluted water anymore. Finally “King Cholera” was defeated. removed a to blame compan

19、ies 【主题情境思考主题情境思考】 Work in groups and put forward some advice on how to deal with some viruses. 1. How to prevent yourself from being infected with some viruses? _ _ _ 2. What should be done after cholera infection? _ _ Wash hands frequently; drink clean or boiled water; do not eat raw or undercooke

20、d food; disinfect(消毒消毒) regularly; do exercise regularly to build myself up; see a doctor if I have symptoms. Cholera is very infectious. Once cholera infection is found, both light patients and carriers should be isolated and treated. Unit 1 Science and Scientists Period 2 Reading and Thinking () 要

21、点内化课要点内化课 自主素养储备 . 根据语境及首字母提示写出单词根据语境及首字母提示写出单词 1. You have failed to do what you were expected to and Im afraid the teacher will b_ you. 2. I s_ this book will have the widest appeal of all. 3. We should pay more attention to the i_ of young people with dangerous thinking. 4. Its believed that ther

22、e is a l_ between smoking and lung disease. 5. People planted trees on the waste hills to d_ water and soil loss. lame uspect nfection ink ecrease 6. We must learn to h_ conflicts calmly and wisely. 7. All scientists s_ to the view that the increase in the earths temperature is due to the burning of

23、 fossil fuels. 8. He lost his job and we can infer from his expression that he is f_. andle ubscribe rustrated . 根据语境及汉语提示写出单词根据语境及汉语提示写出单词 1. There is no _(证据证据)that he was on the crime site. 2. Harry has _(矛盾的矛盾的) feelings about his new life. 3. Some researchers believe infected pets may _(传染传染) t

24、heir owners. 4. Water can _(使改变使改变)a desert into a garden. 5. They are all made of one hundred percent _(纯粹的纯粹的) silk. 6. She makes use of people she meets as _(原始的原始的) material for her fiction. proof contradictory infect transform pure raw 7. An average US _(家庭家庭)produces about 150 pounds of carbon

25、 dioxide a day during driving cars. 8. At the farm there was an old-fashioned _(抽水机抽水机)for drawing water from a well. household pump 词汇微空间词汇微空间 动词动词+-tion 名词名词 infect v. 使感染使感染; 传染传染 infection n. 感染感染; 传染传染 explain v. 解释解释; 说明说明 _n. 解释解释; 说明说明 pollute v. 污染污染_n. 污染污染 predict v. 预言预言; 预测预测_n. 预言预言; 预

26、测预测 collect v. 搜集搜集; 收藏收藏_n. 搜集搜集; 收藏收藏 explanation pollution prediction collection . 用适当的介词或副词填空用适当的介词或副词填空 1. We prefer to subscribe _ another explanation. 2. _ general, a healthy skin is a reflection of good health. 3. He left because he had some other business to attend _. 4. A new report from W

27、HO says millions of people die _ air pollution every year. 5. Success came quickly, thanks _ a mixture of talent, enterprise, and luck. 6. Jenny nearly missed the flight as a result _ doing too much shopping. to to from to of In 7. To buy a press of our own is the only way to get rid of trouble once

28、 and _ all. 8. Some scientists made efforts to find _ whether life of some kind exists on Mars. for out 1. attend to 照料照料; 护理护理 【观察观察悟悟】 In time, he rose to become a famous doctor, and even attended to Queen Victoria when she gave birth. (教材典句 教材典句) 后来他成了一名著名的医生后来他成了一名著名的医生, 甚至在维多利亚女王分娩时护理她。甚至在维多利亚女

29、王分娩时护理她。 To my delight, I was chosen from hundreds of applicants to attend the opening ceremony. 令我高兴的是令我高兴的是, 我从数百名申请者中被选出来参加开幕式。我从数百名申请者中被选出来参加开幕式。 知识素养积淀 We must attend on the people who are in poor health. 我们必须照顾那些身体不太好的人。我们必须照顾那些身体不太好的人。 She didnt attend to what I was saying. 她对我所说的话未加注意。她对我所说的

30、话未加注意。 I may be lateI have one or two things to attend to. 我可能会迟到我可能会迟到, 我还有一两件事要处理。我还有一两件事要处理。 【生成生成得得】 attend to sb. /sth. _ _ 照顾照顾; 伺候某人伺候某人 attend the opening ceremony _ 处理处理; 专心于专心于 attend on/upon sb. 参加开幕式参加开幕式 【内化内化用用】用含有用含有attend的词块填空。的词块填空。 Mary often _(照看我的商店照看我的商店) for me while I am away.

31、 He _(一直服侍一直服侍) his sick mother for many years. I have some personal business _. 我有一些私事要处理。我有一些私事要处理。 attends to my shop has been attending on to attend to 2. blame vt. 把把归咎于归咎于; 责怪责怪; 指责指责 n. 责备责备; 指责指责 【观察观察悟悟】 Lots of people find it hard to get up in the morning and put the blame on the alarm clo

32、ck. 很多人发现早晨起床很难很多人发现早晨起床很难, 就把责任推到闹钟上。就把责任推到闹钟上。 Behind the mindset of “always blame China” is a kind of dirty politics, championed by a few people who shift the spotlight for political gain. “逢中必反”逢中必反” 的背后是肮脏的政治的背后是肮脏的政治, 反映了一小撮人通过转移焦点来追逐政治利益的企图。反映了一小撮人通过转移焦点来追逐政治利益的企图。 Who is to blame for the fir

33、e? 谁应该对这场火灾负责谁应该对这场火灾负责? While we cant change the body type we are born with, we cant blame our genes for making us fat. 尽管我们无法改变与生俱来的体型尽管我们无法改变与生俱来的体型, 但我们也不能把肥但我们也不能把肥 胖归咎于自己的基因。胖归咎于自己的基因。 You should take the blame for failure. 你应该为失败承担责任。你应该为失败承担责任。 【生成生成得得】 _ 为某事责备某人为某事责备某人/责备某人做了某事责备某人做了某事 blam

34、e. . . _. . . 把某事归咎于把某事归咎于 _ 应承担责任应承担责任, 应负责应负责 put the blame on. . . _ _. . . 对对负责负责; ; 为为承担承担责任责任 blame. . . for sth. /doing sth. on be to blame 把把归咎于归咎于 take the blame for 【点拨迷津点拨迷津】 be to blame (for sth. )(对对)应应负责负责, 应受责备应受责备; 此结构中不定式的主动形式此结构中不定式的主动形式 表示被动的意义。类似的结构还有表示被动的意义。类似的结构还有be to let(在出租在

35、出租)。 【内化内化用用】语法填空。语法填空。 Many children are afraid of _(blame)for making mistakes in speaking English. Its no use blaming our defeat _ him. You are a real loser if you often blame somebody or something else _ a bad situation. The children were not _. 那次事故怪不着孩子们。那次事故怪不着孩子们。 being blamed on for to blame

36、 for the accident 3. decrease n. 减少减少; 降低降低; 减少量减少量 vt. 减小减小; 降低降低 反义词反义词 increase n. 增加增加; 提高提高 vt. 增加增加; 提高提高 【观察观察悟悟】 Through Snows tireless efforts, water companies began to sell clean water, and the threat of cholera around the world saw a substantial decrease. (教材典句 教材典句) 经过斯诺的不懈努力经过斯诺的不懈努力, 供

37、水公司开始销售清洁水供水公司开始销售清洁水, 而且霍乱对全世界的威胁也而且霍乱对全世界的威胁也 大幅度降低。大幅度降低。 The number of new students decreased from 210 to 160 this year. 今年新生的数量从今年新生的数量从210降低到降低到160。 The price of wheat decreased by 15% last year. 去年小麦的价格下降了去年小麦的价格下降了15%。 The new treatment led to a huge decrease in the number of deaths. 新的疗法新的疗

38、法 使死亡人数急剧下降。使死亡人数急剧下降。 The demand for tea in this country is on the decrease each year. 这个国家茶这个国家茶 叶的需求量逐年递减。叶的需求量逐年递减。 【生成生成得得】 _ 从从降低到降低到 a decrease _ 在在方面的减少方面的减少 decrease _ 降低了降低了 _ 在减少在减少; 在降低在降低 decrease from. . . to. . . in by on the decrease 【内化内化用用】用适当的介词填空。用适当的介词填空。 There has been a steady

39、 decrease _ the population of the village. They decreased the size of the group _ 30 _ 15. The traffic accidents in this city decreased _ 30% last year. The number of visitors to the museum is _ the decrease. in from to by on 4. thanks to 幸亏幸亏; 由于由于; 因为因为 【观察观察悟悟】 Fortunately, we now know how to pre

40、vent cholera, thanks to the work of John Snow. (教材典句 教材典句) 幸运的是 幸运的是, 由于约翰由于约翰 斯诺所做的工作斯诺所做的工作, 我们现在知道如何我们现在知道如何 去防范霍乱。去防范霍乱。 The mine was closed owing to exhaustion. 这个煤矿因矿源枯竭而被关闭。这个煤矿因矿源枯竭而被关闭。 Due to ill health, he could not attend the meeting. 由于健康不佳由于健康不佳, 他不能参加会议。他不能参加会议。 (2020 全国全国卷卷)“Nicolo,

41、” whose real name cannot be exposed to the public because of Italys privacy laws, finished working the whole night at a factory in Turin. (高考典句 高考典句)“Nicolo”, 因为意大利的隐私法他的真实名字不能被透露给公众 因为意大利的隐私法他的真实名字不能被透露给公众, 在都灵的一家工厂结束了一整夜的工作。在都灵的一家工厂结束了一整夜的工作。 As a result of the timely rain, all the crops are growi

42、ng well. 因为这场及时雨因为这场及时雨, 庄稼长势非常好。庄稼长势非常好。 The ship was unable to set sail on schedule on account of the gale. 风太大风太大, 船船 无法准时出航。无法准时出航。 【联想空间联想空间】表示原因的短语有表示原因的短语有: owing to, due to, because of, as a result of, on account of等。等。 【点拨迷津点拨迷津】 thanks to多用于表达正面意思多用于表达正面意思, 相当于感谢相当于感谢, 在句中作状语在句中作状语; becaus

43、e of 在句中在句中 仅作状语仅作状语; due to 在句中作表语和状语在句中作表语和状语, 与与owing to和和on account of 用法相同。用法相同。 【内化内化用用】 _(多亏了你们的帮助多亏了你们的帮助), many people survived the earthquake. The accident was _(因为他开车疏忽大意因为他开车疏忽大意). 句型转换。句型转换。 The meeting was postponed because the chairman was ill. 同义句同义句: _. The traffic was very heavy an

44、d as a result we didnt arrive on time. 同义句同义句: _ Thanks to your help due to/owing to his careless driving The meeting was postponed because of the chairmans illness As a result of the heavy traffic, we didnt arrive on time. 5. handle n. 把手把手; 拉手拉手; 柄柄 vt. 处理处理; 搬动搬动; 操纵操纵(车辆、动物、工具等车辆、动物、工具等) 【观察观察悟悟】 Tea in China was traditionally drunk from cups without handles. (高考典句 高考典句) 中国的茶传统上是用无柄杯