1、Unit 2 Natural disasters 单 元 主 题 语 境 Save the earth，our only home. 拯救地球，我们唯一的家园。拯救地球，我们唯一的家园。 人与自然学会保护环境 话题导入话题导入 提示：提示：加加颜色颜色部分部分为高考重点词汇为高考重点词汇，需积累需积累。画线部分为高考写作常用佳句画线部分为高考写作常用佳句， 需背诵需背诵。 While most Atlantic hurricanes form off the coast of Africa giving plenty of early warnings，sudden Caribbean and
2、 Gulf of Mexico hurricanes form and move rapidly in less than a days time，endangering everyone and everything in their path. Thereve been oil workers 1trapped off the shore when sudden storms appeared.Some scientists have been caught in coastal areas without storm warning. It wasnt but many years ag
3、o that a Texas National Guard group was trapped on the beach by rain-forced flooding and had to ride out a big hurricane during a training exercise. 2Escaping from the stormthreatened areas is generally a choice for most of usbut not for all.Each year thousands of islanders across the Caribbean face
4、 the danger of hurricanes without so much as a public shelter to hide in.Most ride out the storm in their homes. But therere a few things you can do to prepare yourself for some unexpected natural disasters.Being prepared for the unexpected may be your best and only defence.If youre headed outdoors
5、for a few days or weeks， you should always carry a flashlight(手电筒手电筒)，a GPS device，and a basic medical box.If youre traveling in your car，remember you may suffer from high winds.Youd better not stay inside to avoid being blown away along with your car.Keeping your head and your courage up is importa
6、nt to survival in any type of danger.Let common sense guide you and always be prepared for the worst. 佳句 1.Thereve been oil workers trapped off the shore when sudden storms appeared. 分析分析 画线部分为过去分词短语作后置定语画线部分为过去分词短语作后置定语。 链接链接 You can give an introduction to someone admired by many people. (2020 全国全
7、国，书面表达，书面表达) 2.Escaping from the stormthreatened areas is generally a choice for most of usbut not for all. 分析分析 画线部分为动名词短语在句中作主语画线部分为动名词短语在句中作主语。 链接链接 Picking activity was really what I wanted most at the time. (2020 全国全国，书面表达，书面表达) 内容索引内容索引 Welcome to the unit & ReadingComprehending 读 前 清 障 识记单词 快
8、速顺畅阅读 品句猜品句猜词词 请请预读下列课文原句预读下列课文原句，并猜测句中加颜色词汇的意思并猜测句中加颜色词汇的意思。 1.Only 5 students suffered slight injuries，despite the current figures of 7 killed and over 200 injured in the disaster area at large. _ _ 2.Her students reaction was quick and correctthey moved under their desks，head first，and held on to
9、 the legs of the desks. _ _ 3.She signalled to her students to exit the classroom in an orderly line covering their heads with their hands. _ _ 伤害伤害 整个整个 反应反应 示意示意 守秩序的守秩序的 4.After a roll call confirmed that all were safe and sound，they relaxed， laughing，crying and hugging each other. _ _ 5.It immed
10、iately occurred to her that these were signs of an approaching tsunami. _ 返 回 证实证实 安然无恙的安然无恙的 被想到被想到 语 篇 理 解 精读演练 萃取文本精华 Step 1 Fast-reading .Read the passage quickly and fill in the following blanks with suitable words. shake quick and correct exit orderly safe and sound odd tsunamis relief realize
11、d crashed .The main idea of the passage is that . the people were all saved in two natural disasters Step 2 Careful-reading Read the passage carefully and choose the best answer. 1.Which word can be used to replace the phrase “hold on to” in Para.2? A.Grasp. B.Carry. C.Design. D.Remove. 2.What can w
12、e infer from the second and third paragraphs? A.Alice Brown was too nervous to say one word. B.Alice Brown was calm and organized. C.Alice Brown was irresponsible. D.Alice Brown was coldhearted. 3.Miss Browns words showed that . A.little students were always calm B.Miss Brown was good at dealing wit
13、h all kinds of problems C.practising earthquake safety procedures was very important for students D.earthquakes often happened in Falmont 4.Which of the following statements is NOT true? A.No visitors were killed in the tsunami on Goldshore Beach. B.Sabrina was the first person to notice the signs o
14、f an approaching tsunami. C.Sabrinas parents didnt believe her at first. D.Sabrina had learned nothing useful in her Geography lesson. 5.Whats the right order according to the passage? a.Sabrinas parents didnt believe her words. b.Sabrinas parents talked to the safety officer. c.The beach was rapidl
15、y cleared of people by the safety officer. d.People were enjoying the warm sea air and soft wind happily. e.Sabrina noticed something unusual and told her parents. A.cdeba B.ea bcd C.deabc D.cb aeb Step 3 Post-reading .After reading the passage，please fill in the following blanks. On 17 March,476 st
16、udents and 36 teachers at Falmont Primary School escaped an earthquake 1. (hit) the county at 227 p.m.Only 5 students suffered slight injuries，despite the current figures of 7 killed and over 200 injured in the disaster area 2. large.Alice Brown was teaching 3. the floor began to shake.Her students
17、reaction was quick and correct.4._ moment the shaking stopped ， Miss Brown signalled to her students 5._(exit) the classroom in an orderly line covering their heads with their hands.She said that they practised earthquake safety procedures twice a year. hitting at when The to exit On 20 December，a s
18、eries of huge waves 6. (cause) by an undersea earthquake raced across the ocean near Goldshore and left thousands dead.Goldshore Beach was the only local beach 7. (survive) the disaster without any loss of life.When people were enjoying the warm sea air and the soft wind，Sabrina noticed something od
19、d and 8. (ask) her parents to talk to a safety officer.The officer immediately realized the 9._(come) danger.The beach was 10. (rapid) cleared of people， just before the huge waves crashed into the coast. caused to survive asked coming rapidly .Discuss with your partner and then answer the following
20、 questions. 1.What would you do if you were caught in an earthquake? _ _ 2.In your opinion，is it necessary to learn something about tsunamis? Why? _ _ Step 4 Sentence-learning 1.Alice Brown，head teacher at Falmont Primary School，was teaching when the floor began to shake. 句式分析句式分析 本句是并列句本句是并列句，句式结构为
21、句式结构为be doing.when.意为意为： _。此处的此处的when为为 ，而不是从属连词而不是从属连词。句中句中 的的head teacher at Falmont Primary School是是 ，补充说明补充说明Alice Brown。 自主翻译自主翻译 正在做正在做，这时，这时 并列连词并列连词 地板开始摇晃时，艾丽斯地板开始摇晃时，艾丽斯 布朗，费尔蒙特小学的班主任，布朗，费尔蒙特小学的班主任，正正 在上课。在上课。 同位语同位语 2.The moment the shaking stopped，Miss Brown sensed it was the best time f
22、or the class to make their escape. 句 式 分 析句 式 分 析 本 句 为 复 合 句本 句 为 复 合 句 。 the moment 引 导 时 间 状 语 从 句引 导 时 间 状 语 从 句 ， 意意 为为： ；Miss Brown sensed是主句的主语和谓语；是主句的主语和谓语；it was the best time.是是 从句从句；动词不定式；动词不定式to make their escape作后置定语修饰作后置定语修饰 名词名词time。 自主翻译自主翻译 一一就就 宾语宾语 摇晃刚一停止摇晃刚一停止，布朗老师就觉察到这是全班学生逃离的最佳
23、时刻布朗老师就觉察到这是全班学生逃离的最佳时刻。 3.After a roll call confirmed that all were safe and sound，they relaxed， laughing，crying and hugging each other. 句式分析句式分析 本句为复合句本句为复合句。after引导时间状语从句；引导时间状语从句；that引导引导 从句从句； they relaxed是主句；是主句；laughing，crying and hugging each other是现在分词是现在分词作作 _。 自主翻译自主翻译 返 回 宾语宾语 伴随状语伴随状语 点名确认所有人都安然无恙后，他们才放松下来，笑啊，哭啊点名确认所有人都安然无恙后，他们才放松下来，笑啊，哭啊， 互相拥抱着。互相拥抱着。