人教版（2019）必修1 Unit 4 NATURAL DISASTERS Section A 同步教学课件

(共50张PPT)
Unit 4 NATURAL DISASTERS
Section A
新人教必修一
高一（上）
目 录
目录/CONTENTS
1
教材预习梳理&自测
2
重难点全解
教材预习梳理&自测
第一小节
教材预习梳理&自测
教材预习梳理&自测
Ⅰ词块梳理与背诵
① natural disasters _____；② volcanic eruption _____；
③ a strong earthquake hit..._____;
④ the 7.8-magnitude earthquake damaged..._____；
⑤ more than 1,500 were injured_____；
⑥ _____帮助幸存者；⑦_____ 帮助人们远离上涨的洪水;
⑧ _____ 夜以继日地工作；⑨ _____ 务必，一定；查明，弄清
教材预习梳理&自测
Ⅰ词块梳理与背诵
⑩ _____ 根据警方的说法； the magnitude of the earthquake____ the rescue workers and soldiers _____；
flood-hit area _____； hundreds of firefighters_____；
no deaths, no injuries _____；
_____ 82人遇难，50万人受影响
_____ 建立避难所
教材预习梳理&自测
【答案】
① 自然灾害；② 火山喷发；③ 强烈的地震袭击了······；
④ 7.8级地震破坏了······；⑤ 超过1500人受伤；⑥ help the survivors
⑦ help people get away from the rising water；
⑧ work day and night；⑨ make sure that；
⑩ according to the police； 地震的震级； 救援人员和士兵；
洪灾区； 数百名消防员； 没有伤亡
82 killed,500,000 affected； set up shelters
教材预习梳理&自测
Ⅱ构词法梳理与背诵
转化法构词
① _____ vi.＆vt.（使）滑行；滑动→n.滑动；下跌；幻灯片
② _____ n.洪水；大量→vi.淹没；大量
涌入vt.使灌满水；淹没
教材预习梳理&自测
Ⅱ构词法梳理与背诵
转化法构词
③ _____ n.营救；救援→vt.营救；救援
④ _____ vt.损害；破坏→n.损坏；损失
⑤ ____ n.避难处；居所；庇护→vt.保
护；掩蔽vi.躲避（风雨或危险）
教材预习梳理&自测
Ⅱ构词法梳理与背诵
派生法构词
⑥ disaster n.灾难；灾害→ _____ adj.灾难性的；完全失败的
⑦ dry adj.干的；干旱的；口渴的v.（把····..）弄干→___n.旱灾；久旱
⑧_____ vt.营救；救援→ _____ n.救助者；
⑨ destroy vt.摧毁；毁灭→ _____ n.破坏者；毁灭者
⑩ evacuate vt.疏散；撤出vi.撤离→ _____ n.疏散；撤离
die v.死→ _____ n.死；死亡;
affect vt.影响；（疾病）侵袭；深深打动→___n.喜爱；钟爱
survive vi.生存；存活vt.幸存；艰难度过→
____n.幸存者；生还者
教材预习梳理&自测
Ⅲ合成法构词
land+slide→ _____ n.（landfall）（山地或悬崖的）崩塌；滑坡
【答案】
① slide；② flood；③ rescue；④ damage；⑤ shelter；⑥ disastrous；
⑦ drought；⑧ rescue;rescuer；⑨ destroyer；⑩ evacuation； death；
affection； survivor； landslide
重 难 点 全 解
第二小节
重难点全解
重 难 点 全 解
1. Watch the video Natural Disasters and look at the photos. 观看视频《自然灾害》并看照片。
disaster n.灾难；灾害（→disastrous adj.灾难性的；完全失败的）
eg：Thousands died in the disaster. 数千人在这场灾难中丧生。
eg：The consequences of these actions were disastrous.
这些行动的结果是灾难性的。
【词块背诵】environmental disasters 环境灾害；a natural disaster 自然灾害；disaster area 灾区；disaster-affected／disaster-hit area 受灾地区；disaster recovery 灾后恢复；disaster prevention 防灾；a disaster film／movie 灾难片
【熟词生义】disaster 还可以表示“不幸；祸患；彻底失败的人（或事）”。
eg：Losing your job doesn't have to be such a disaster. 丢了工作不一定就是大难临头。
eg：As a father， he＇s a disaster.作为一个父亲，他压根儿就不称职。
重 难 点 全 解
【单句语法填空】
① Although we suffer from many serious natural _____ (disaster), we are sure to over-come all difficulties.
② The environmental effect of this new factory could be _____ (disaster).
【翻译句子】
③他是这次灾难中唯一的幸存者。(survive the disaster)
_______________________________________________________.
④这出戏第一晚就彻底演砸了。(total disaster)
_______________________________________________________.
重 难 点 全 解
【答案】
① disasters；② disastrous；
③ He was the only person that survived the disaster.
④ The play's first night was a total disaster.
重 难 点 全 解
2 Where are the floods？哪里发生了洪水？
flood n.洪水；大量vi.淹没；大量涌入vt.使灌满水；淹没 eg： There is a flood in the valley．山谷里发了洪水。
eg： The river is in flood ( = has more water in it than normal and has caused a flood）.河水泛滥。
eg：The child was in floods of tears.小孩哭得跟泪人儿似的。
重 难 点 全 解
2 Where are the floods？哪里发生了洪水？
flood n.洪水；大量vi.淹没；大量涌入vt.使灌满水；淹没
eg：Donations began flooding in from hundreds of people.
数以百计的人开始纷纷捐款。
eg：The river flooded the valley．河水泛滥淹没了河谷。
eg：Forty percent of the land in the village has been flooded and the majority of the villagers have moved to safe places．
整个村庄40％ 的土地被洪水淹没，大部分村民已经
转移到安全的地方。
重 难 点 全 解
2 Where are the floods？哪里发生了洪水？
【熟词生义】flood v.蜂拥而出；挤满；拥满；使大受
感动；充满
eg：Memories of her childhood came flooding back.
她童年的往事涌上心头。
eg：Cheap imported goods are flooding the market.
廉价进口商品充斥着市场。
eg：Schools with better reputations will be flooded with
applications. 较有名气的学校将会收到大量的申请。
重 难 点 全 解
2 Where are the floods？哪里发生了洪水？
【词块背诵】（1）be in flood（河水）上涨，泛滥；
flood damage 洪涝灾害；under flood 遭受洪灾；
a flood of complaints 大量投诉；
（2）flood in／into…涌进；大量涌入；flood out of...蜂拥而出
flood...with...把······大量送至·····；使······充满······；
be flooded with 被······所淹没；大量收到；充满；
flood over／back（感觉或回忆）涌上心头，涌现；
重 难 点 全 解
【单句语法填空】
① Telephone calls came ___ (flood) in from all over the country.
② The office ___ (flood) with applications for the job yesterday.
③ Large quantities of food are needed in the ___ (flood) areas now.
④Our washing machine broke down yesterday and ___ (flood) the kitchen.
⑤ Having learnt that his mother was injured in the accident,the boy was _____（泪流满面）.
⑥一定是有人没关水龙头，因为水溢出来淹了浴室。（flood）
______________________________.
【完成句子】
重 难 点 全 解
【答案】
① flooding；② was flooded； ③ flooded ④ flooded；⑤ in floods of tears；
⑥ Someone must have left the tap on, for the water was running over and flooding the bathroom.
重 难 点 全 解
3 What are the rescue workers and soldiers doing in the flood-hit area？救援人员和士兵正在洪灾区做什么？
rescue （1）n．营救；救援；营救行动【搭配】come／go to one＇s rescue来／去援救某人；
eg：The rescue team made 10 rescues in a week.救援队一周内进行了10次救援
eg：A rescue worker risked his life saving two tourists.
一名救援人员冒着生命危险救了两名游客
rescue （1）n．营救；救援；营救行动
eg：A wealthy old man came to their rescue with a generous donation.
一位富有的老人慷慨解囊，挽救了他们。
eg：Why didn't you come to my rescue when they were making fun of me？
他们拿我开玩笑时，你怎么不来为我解围？
重 难 点 全 解
3 What are the rescue workers and soldiers doing in the flood-hit area？救援人员和士兵正在洪灾区做什么？
rescue （2）vt．营救；救援
【搭配】rescue...from...把······从······中救出来；
eg：They rescued a boy from drowning.
他们救起了一个溺水的男孩。
eg：They were eventually rescued by helicopter.
他们最后被直升机救走了。
【词块背诵】a rescue attempt／operation一次营救行动
a mountain rescue team 高山救援队；
rescue workers／boats／helicopters 救援人员／船只／直升机；
a rescue team 救援队；
a daring sea rescue 惊心动魄的海上营救行动；
make／perform a rescue 进行营救；
attempt a rescue 设法（实行）营救；
重 难 点 全 解
【单句语法填空】
① They are trying to rescue the company _____ ruins.
【单句语法填空】
② “Never for a second，”the boy says,“ did I doubt that my father would come _____ my rescue.”
【单句语法填空】
③The mother, along with her two children,was rescued _____ the sinking boat by a passing ship.
重 难 点 全 解
【单句语法填空】
④ When we were trapped in the ruins, the soldiers came _____ our rescue.
【单句语法填空】
⑤ It was with the help of the local guide that the mountain climber _____ (rescue).
【完成句子】
⑥我们来救他，把他从河里拉了上来。
We _____ and pulled him out of the river.
重 难 点 全 解
【答案】
① from；② to；③ from；④ to；⑤ was rescued
⑥ came to his rescue；
重 难 点 全 解
4. Which buildings were damaged in Seoul？
首尔哪些建筑被摧毁了？
damage （1）vt. 损害；破坏
eg：The fire badly damaged the hall.火灾严重破坏了大厅。
eg：Several cars were damaged in the crash.
好几辆汽车在撞车事故中损坏了
eg：It wasn't a serious accident. The car was only slightly damaged.
这场事故不严重。那辆汽车只是轻微受损。
eg：Smoking seriously damages your health.吸烟严重损害健康。
重 难 点 全 解
4. Which buildings were damaged in Seoul？
首尔哪些建筑被摧毁了？
damage （2）n．损坏；损失；损害；伤害
【搭配】do／cause damage to...＝do／cause...damage对·····造成损害／损失
eg：I insist on paying for the damage.我坚持要赔偿损失。
eg：I'm going——I've done enough damage here already.
我要走了——我在这里造成的损害已经够大了。
【熟词生义】damage用作名词复数时，可以表示“（法院判定的）损害赔偿金”。
eg：He was ordered to pay damages totalling 30,000.
他被责令支付总额为3万英镑的损害赔偿金。
重 难 点 全 解
4. Which buildings were damaged in Seoul？
首尔哪些建筑被摧毁了？
【词块背诵】（1）damage one＇s health 损害某人的健康；
be badly／seriously damaged 严重受损；be slightly damaged 轻微受损；
（2）cause serious damage to the environment对环境造成严重的破坏；
suffer damage 遭受损害；repair the damage 弥补损失；
serious／heavy／lasting damage 重大的／严重的／持久的损害；total damage 总损失；
fire／smoke／storm damage 火灾损失／烟雾熏坏／暴风雨破坏；
damage from 由······引起的损害；damage to对······的损坏；
damage to a person＇s reputation 对个人名誉的损害
重 难 点 全 解
4. Which buildings were damaged in Seoul？
首尔哪些建筑被摧毁了？
【词语辨析】
damage，destroy与ruin
（1）damage指部分性“破坏”“损坏”，一般还可修复。
（2）destroy指彻底“破坏”“毁坏”，一般不能或很难再修复。
（3）ruin指严重“毁坏”，侧重指破坏事物的内在价值。
重 难 点 全 解
【单句语法填空】
① The old farmer was very upset because the strong winds caused great damage _____ his wheat.
② Our luggage ____ (damage)during our last trip to Mount Tai.
③ The damage _____ the computer is not very serious.
④ Eating too much meat one time will do damage _____ your stomach.
【翻译句子】
⑤ 这可能对国家的经济造成严重破坏。（cause damage to）
______________________________________________________.
⑥暴风雨使庄稼受到了严重损害。(do a lot of damage to)
_______________________________________________________.
重 难 点 全 解
【选词填空 damage，destroy，ruin】
⑦ To our disappointment,the bad weather _____ our trip.
⑧The accident caused some _____ to my car,but it was nothing serious.
⑨ My car was _____ in anaccident, so I had to buy a new one.
重 难 点 全 解
【答案】
① to； ② was damaged；③ to；④ to；
⑤ This could cause serious damage to the country's economy.
⑥ The storm did a lot of damage to the crops.
⑦ ruined； ⑧ damage；⑨ destroyed
重 难 点 全 解
5. 2,400 homes destroyed 2 400 所房屋被摧毁
destroy vt. 摧毁；毁灭
eg：The building was completely destroyed by fire.
这栋建筑物被大火彻底焚毁了。
eg：The flood having destroyed everything, the victims became homeless and could only live temporarily in shelters.
洪水毁了一切，受难者变得无家可归，只能暂时住在避难所。
eg：They＇ve destroyed all the evidence.他们销毁了一切证据。
eg：Failure was slowly destroying him.失败渐渐地把他毁了。
重 难 点 全 解
5. 2,400 homes destroyed 2 400 所房屋被摧毁
【词块背诵】
destroy the evidence 销毁证据；
destroy the hope 打破希望；
destroy oneself 毁掉自己； destroy the confidence 毁坏信心；
destroy the peace 破坏和平；destroy the environment 破坏环境；
重 难 点 全 解
【单句语法填空】
① With houses _____(destroy) in the earthquake, the survivors had to live in the temporary shelter set up by the local government.
【单句语法填空】
② Our confidence is never _____ (destroy), whatever difficulties they are!
【完成句子】
③ ③You have _____（毁掉了我······的希望）happiness.
重 难 点 全 解
【答案】
① destroyed；
② to be destroyed；
③ destroyed my hope of
重 难 点 全 解
6. No deaths，no injuries 没有伤亡
death （1）n．死；死亡
【搭配】die a glorious death 光荣牺牲
eg：He died a slow and painful death. 他缓慢而痛苦地死去。
eg：What I learn about this violence is that it has caused at least three deaths.我所了解到的是这次暴力事件至少造成三人死亡。
death （2）n．生命的终止，死亡状态
【搭配】scare／frighten sb.to death 把某人吓得要死；
starve to death 饿死；be frozen to death 冻死
be sentenced to death 被判处死刑；
eg：Upon arriving home, they found their dog was starving to death.
他们一到家就发现他们的狗快要饿死了。
eg：Life for life, he was sentenced to death.
以命偿命，他被判处了死刑。
重 难 点 全 解
6. No deaths，no injuries 没有伤亡
death （3）n．毁灭，破灭
eg：That defeat meant the death of all my hopes.
那次失败毁灭了我所有的希望。
【词块背诵】
the death of one＇s hopes 某人希望的破灭；
the death of his career 他职业生涯的毁灭；
the death of all my plans 我所有计划的破灭；
a matter of life and death 攸关生死之事；
重 难 点 全 解
【单句语法填空】
① _____ (die) is the necessary end of life.
【单句语法填空】
② Dance expre-sses love and hate, joy and sorrow, life and _____ (die), and everything else in between.
【单句语法填空】
③ Cigarette smoking is responsible for about 90% of _____(death) from lung cancer.
重 难 点 全 解
【完成句子】
④ 好了，别介意，约翰，这不是攸关生死之事。
Well, never mind, John, it's not ______________
【完成句子】
⑤ 他在沙漠中迷了路，饿死了。He got lost in the desert and
__________________________.
重 难 点 全 解
【答案】
① Death；② death；
③ deaths；
【答案】
④ a matter of life and death；
⑤ starved to death；
重 难 点 全 解
7. 82 killed，500,000 affected 82人遇难，50万人受影响
affect （1）vt．影响
eg：Your opinion wil1 not affect my decision. 你的意见不会影响我的决定。
eg：Following others' advice blindly will affect our own judgment.
盲目听从别人的建议会影响我们自己的判断。
（2）vt．（疾病）侵袭，使感染
eg：The disease affects one in five women. 每五个妇女就有一个人患有这种病。
eg：Rub the cream into the affected areas. 把乳膏揉进感染处。
重 难 点 全 解
7. 82 killed，500,000 affected 82人遇难，50万人受影响
affect （3）vt．深深打动，使悲伤（或怜悯等）
eg：The story affected us deeply. 这个故事深深地打动了我们。
【词语积累】affection n.喜爱；钟爱；have a great affection for 很喜欢······；
eg：Children need lots of love and affection. 孩子们需要很多疼爱和关怀。
eg：I have a great affection for New York. 我很喜欢纽约。
重 难 点 全 解
【单句语法填空】
① With the government's aid,those ___(affect) by the earthquake have moved to the new settlements.
② We are interested in the weather because it ___ (affect) us so directly-what we wear, what we do,and even how we feel.
④ She was held in deep _____ (affect) by all her students.
⑤她死亡的消息使他们唏嘘不已。They _____ the news of her death.
【单句语法填空】
③ We were deeply _____(affect) by the big loss.
【完成句子】
重 难 点 全 解
【答案】
① affected；② affects；③ affected；
④ affection；
⑤were deeply affected by
be affected by 被······打动。
重 难 点 全 解
8. shelters set up by the government 政府搭建的避难所
shelter（1）n．［C］避难处；［U］居所；庇护
【搭配】under the shelter of 在······的庇护下；
take shelter from 躲避···；seek shelter 寻求庇护；
build a shelter 搭建避难所；
eg：Tired, we had a rest under the shelter of a big tree.
我们累了，在一棵大树下休息了一会儿。
eg：The solution, of course, was to plant trees so the animals could seek shelter during the daytime.当然，解决的办法是种树，这样动物们就可以在白天寻找栖身之处。
eg：They built a rough shelter from old pieces of wood.
他们用旧木条搭了一个简陋的窝棚。
eg：Human beings need clothing, food and shelter. 人类有衣、食、住的需求。
重 难 点 全 解
8. shelters set up by the government 政府搭建的避难所
shelter（2）vt．保护；掩蔽 vi．躲避（风雨或危险）
【搭配】shelter...from...使·····免于······；保护·····免受······；
shelter from...躲避（风雨或危险）；
eg：Perhaps I sheltered my daughter too much. 也许我对女儿保护过度了。
eg：Trees shelter the house from the wind. 树给房子挡住了风。
eg：We sheltered from the rain in a doorway. 我们在一处门廊里避雨。
【词块背诵】（1）take shelter from the storm 躲避暴风雨；
provide food and shelter for 为·····提供食物和避难所；
a temporary shelter 临时避难所；
a night shelter for the homeless 无家可归者夜间收容所；
an animal shelter 动物收容处；
（2）shelter under．．．躲在······下面；shelter behind...躲在···后面；
help the poor and shelter the homeless 帮助贫穷者，庇护无家可归者
重 难 点 全 解
【单句语法填空】
①They were standing _____ the shelter of a huge tree.
② We took shelter _____ the rain that was pouring down in a bus stop.
③ Mountains shelter our city _____ the wind.
④We sat in the shade, _____ (shelter) from the sun.
⑤ We were caught in a thunder-storm,without anywhere _____(shelter).
⑥ We reached an abandoned house, where we __________（避雨）.
⑦ Some parents are just too protective. They want to __________ (保护他们的孩子免受）everykind of danger, real or imagined.
【完成句子】
重 难 点 全 解
【答案】
① under；② from；③ from；④ sheltering ⑤ to shelter；⑥ took shelter from the rain ⑦ shelter their children from
谢谢
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