人教版（2019）必修 第一册Unit 4 Natural disasters Listening and Speaking课件(共18张PPT)

(共18张PPT)
UNIT 4　NATURAL DISASTERS
Section A　Listening and Speaking
素养导航 明目标
语言 能力 必背 单词
重点 短语 volcanic eruption rise and fall as usual as if
come to an end come across in ruins blow away
in shock in the open air first aid kit on hand
sweep away
disaster rescue damage destroy death
affect shelter ruin shock trap
bury breathe effort wisdom suffer
supply survive power emergency calm
crash sweep strike deliver effect
语言 能力 重点句式 1.too...to do sth太……而不能做某事
2.as if引导的句子
3.sb be doing...when...某人正在做某事突然……
核心语法 限制性定语从句 (Ⅰ)(that,which,who,whom,whose)
主题写作 概要写作
文化 意识 树立防灾意识和自我保护意识;能够了解和掌握一些与自然灾害相关的安全常识和防范措施
思维 品质 能在实践中运用所学应对与灾难有关的困难,增强解决问题的意识和能力
学习 能力 掌握在阅读中根据上下文猜测词义的策略;能运用构词法知识推测词义
基础落实 必备知识全过关
重点单词
必记写作词汇
1.　　　　　　 n.灾难;灾害
2.　　　　　　 n.旱灾;久旱
3.　　　　　　 vi.& vt.(使)滑行;滑动
4.　　　　　　 n.洪水;大量　vi.淹没;大量涌入　vt.使灌满水;淹没
5.　　　　　　 vt.损害;破坏　n.损坏;损失
6.　　　　　　 n.避难处;居所;庇护
vt.保护;掩蔽　vi.躲避(风雨或危险)
disaster　
drought　
slide　
flood　
damage
shelter
识记阅读词汇
1.tornado n.　　　　　　　　　　　
2.landslide n.(landfall) 　 　　　　　
3.tsunami n. 　　　　　　
4.magnitude n. 　　　　　　
5.evacuate vt. 　　　　　　
vi. 　　　　　　
6.helicopter n. 　　　　　　
龙卷风;旋风　
(山地或悬崖的)崩塌;滑坡　
海啸　
(地)震级;重大　
疏散;撤出　
撤离　
直升机
串记拓展词汇
1.　　　　　 n.& vt.营救;救援→rescuer n.救助者;援救者
2.　　　　　　 vt.摧毁;毁灭→destroyer n.破坏者→destruction n.破坏;毁灭
3.　　　　　　 n.死;死亡→　　　　　　 vi.死→　　　　　　 adj.死的;麻木的
4.　　　　　　 vt.影响;(疾病)侵袭;深深打动→affected adj.受到影响的;被打动的;受侵袭的→affection n.喜欢;喜爱;影响
rescue　
destroy　
death
die
dead　
affect
重点短语
1.get 　　　　　　　　　　　逃脱
2.day 　　　　　　night 日日夜夜
3.do damage 　　　　　 损害……
4.provide...　　　　　 给……提供
5.set 　　　　　 建立;搭起
away　
and　
to　
with　
up
要点探究 能力素养全提升
基础词汇——语境记忆
1.disaster n.灾难;灾害
【佳句背诵】Disaster Day is aiming at proposing stopping doing the things that will cause natural disasters.[节日介绍]
灾难日旨在倡议停止做会造成自然灾害的事情。
2.flood n.洪水;大量　vi.淹没;大量涌入　vt.使灌满水;淹没
【佳句背诵】We have realised the urgency in helping the flooded areas that need food,water and medicine.[急救助人]
我们已经意识到帮助急需食物、水和药品的被淹没地区的紧迫性。
3.destroy vt.摧毁;毁灭
【佳句背诵】The reason why the number of the wildlife is decreasing is that their living places have been badly destroyed.[环境保护]
野生动物数量减少的原因是它们的栖息地被严重破坏了。
4.shelter n.避难处;居所;庇护　vt.保护;掩蔽　vi.躲避(风雨或危险)
【佳句背诵】The government provides them with not only food and shelter,but also the basic skills for their living.[急救助人]
政府不仅为他们提供食物和住所,还为他们提供基本的生活技能。
高频词汇——讲练互动
1.rescue n.& vt.营救;救援
(1)come to/go to one’s rescue援救某人
rescue team/workers救援队/人员
(2)rescue...from...把……从……营救出来
【佳句背诵】A rescue worker risked his life saving two tourists trapped in the mountains for two days.[急救助人]
一名救援人员冒着生命危险救出了被困在山中两天的两名游客。
【即学即练】单句语法填空/单句写作
①The firemen rescued a baby 　　　　　　the burning house.
②All the people nearby came 　　　　　　her rescue when hearing her cry for help.
③大批士兵被派往那里营救被困在大楼里的人。
A large number of soldiers were sent there 　　　　　　　　those trapped in the building.
from　
to　
to rescue
2.damage vt.损害;破坏　n.损害;损失
(1)cause damage 造成损害
do damage to对……造成损害
(2)damage one’s health损害某人的健康
【佳句背诵】With more and more forests damaged,some animals and plants are facing the danger of dying out.[环境保护]
随着越来越多的森林遭到破坏,一些动植物正面临灭绝的危险。
The earthquake did damage to the area where many houses fell down and many people were trapped in ruins.[自然灾害]
地震对该地区造成了破坏,许多房屋倒塌,许多人被困在废墟中。
【即学即练】单句语法填空/单句写作
①Eating too much meat one time will cause damage 　　　　　your stomach.
②The 　　　　　(damage) aircraft was flying on only one engine.
③He handled the instrument with care for fear that it should ____________　　　　　　　　(damage).
④昨天晚上旅馆里发生了一场大火,造成了很大的损失。
A big fire broke out in the hotel yesterday evening,which
_________ __________ _____________.
to　
damaged　
be damaged　
caused great damage
3.affect vt.影响;(疾病)侵袭;深深打动
(1)be affected by 受……的影响;被……打动
be affected with 患有(疾病)
(2)affection n.喜爱
【佳句背诵】A lot of students spend much time on study,so they have no time for rest and sports,which really affects their health.[观点看法]
很多学生在学习上花很多时间,因此没有时间休息和运动,这的确影响了他们的健康。
【即学即练】单句语法填空/句式升级
①All the cattle on the farm were affected 　　　　　　the disease.
②More than seven million people have been affected 　　　　　　drought.
③He felt great 　　　　　　(affect) for his sister.
④Many young people were deeply affected by his story and began to do volunteer work for the disabled.
→________ _________ __________his story,many young people began to do volunteer work for the disabled.(分词短语作状语)
with　
by　
affection　
Deeply affected by
多义词汇——自主练透
Ⅰ.一词多义
affect
A.vt.感动　B.vt.影响　C.vt.(疾病)侵袭
①The book tells stories of the earthquake through the eyes of those whose lives were affected.　　
②Affected with a serious disease,he was no longer able to speak clearly and he knew there was no hope of recovery.　　
③Deeply affected by the speech,Tom made up his mind to study harder in the future.　　
B
C
A
Ⅱ.教材熟词生义
shelter
项目 意义 例句
熟义 n.　　　　　　　　 They built a rough shelter from old pieces of wood.
生义 vt.　　　　　　　 The old temple sheltered the tramps from bad weather.
避难处,居住
保护
本 课 结 束