高考英语第一轮总复习课件：必修一Unit4 Earthquakes——地震
Unit 4
Earthquakes——地震
基础盘点自测自评
核心单词 1. After the crash，an ambulance took injured the ____________(受伤者) immediately. Shocked 2. ____________(震惊) at the sad news， my aunt stood there still，not knowing what to say. to hospital
n．[C](pl.) 废墟；遗迹 v．(使)破产；(使)堕落；毁灭 (教材P26)In fifteen terrible seconds a large city lay in ruins. 在可怕的15 秒内，一座大城市就成为一片废墟。
归纳拓展
(1) in ruins成为废墟
bring sb.to ruin使某人失败；使倾家荡产 come/fall to/into ruin毁灭，灭亡；崩溃；破坏掉
解析：选B。考查定语从句。句意为：
我爷爷特别喜欢谈论美好的往昔，在
老年人当中，这样的情况很普遍。这
里用as引导非限制性定语从句，指代
主句内容，并在从句中作主语。
考点串讲讲练互动
单词精研 1burst vt.& vi. (使)爆裂；(使)裂开；( n. 突然破裂；爆发
在 使)炸开；突然出
现；爆发
(教材P26)In the city，the water pipes in some buildings cracked and burst. 市内，有些建筑物的水管爆裂开来。
____________ that he was very
Judging 11．____________ from what he
said just now，he must be an honest man.On the contrary，he judge often tells a lie，so we should not ____________ a man by his appearance.(judge)
A．that；which B．when；which C．which；when D．that；that
解析：选B。考查定语从句。第一空 引导限制性定语从句，先行词为the days，引导词在从句中充当时间状语, 用when；第二空引导非限制性定语从 句，先行词为前面整句话，用关系代 词which，所以选B项。
ห้องสมุดไป่ตู้
injure
【助记】
巧思妙解 用wound，injure，hurt，harm填空 (1)About 50 people were seriously ________ in the attack. wounded injured (2)One of the players ________ his knee and had to be carried off.
单元语法 定语从句(Ⅰ) 1 ． (2012· 建 四 地 六 校 联 考 )I’ll 福 never forget the days ________ I learned hard in my senior high school ， ________ changed my
whole life.
a (great) number of 6．________________
的 blow away
许多；大量
7．________________ 刮走 instead of 8．________________ be trapped in 是 be buried in 代替；而不
9．________________ 陷入 10．________________ 埋头于
解析：选C。考查定语从句。先行词 为a nice beach，空白处后面的定语 从句含有主语、谓语、宾语和时间状 语,因此空白处只能在从句中作地点状 语,用关系副词where。
5．(2012· 济南模拟)My grandfather is fond of talking about the good old days,________ is often the case with old people. A．when C．that B．as D．what
句子。
3 ． (2012· 坊 模 考 )The accident 潍 happened at nine o’clock in the morning ________ we were all busy with our work. A．that C．when B．which D．as
解析：选C。考查定语从句。when we were all busy with our work是定
辨析injure/wound/hurt/harm
多指意外事故造成的伤害，也可指对名 誉、地位的损害 指人在战斗、攻击中受伤，身体上出现 wound 明显的伤口，多指枪伤、刀伤、刺伤等 皮肉之伤。 多指精神上受到伤害，也可指身体上的 hurt 疼痛 指身体或精神上的损害或对周围事物的 harm 危害。意为“伤害，损害，有害于”。 常用短语do harm to... “对„„有害”。
2．(2012· 绵阳诊断)The result of the experiment was very good ， ________ we hadn’t expected. A．when C．what B．which D．that
解析：选B。考查定语从句。which引 导非限制性定语从句，指代前面整个
7．When the second earthquake happened，some of therescue ____________(援救) workers and doctors were trapped under the ruins. 8．Oncongratulations arriving there，we expressed our _________________(祝贺) to him
③Scarcely had she heard the news about the death of Steve Jobs when she
burst_out_crying/burst_into_tears. 她一听到乔布斯死亡的消息，就失声 痛哭起来。
2injure
vt. 损害；伤害
(教材P26)Twothirds of them died or were injured during the earthquake. 伤亡。 他们中有2/3在地震中
frightening 9．On seeing the ______________
frightened scene,the little girl was so
____________ that she burst out
crying.(frighten) express
10．Mr. Wang couldn’t ____________ expression himself clearly when he heard the news，but I could tell from his
hurt (3)What really ________ me was
that he never answered my letters. harm (4)Don’t ________ your eyes by reading in dim light.
3ruin
n ． [U] 毁 坏 ； 毁 灭 ； 崩 溃
归纳拓展 burst out crying/laughing
笑起来
突 然 哭 起来 / burst into tears/laughter
burst in/into 闯入，突然破门而入 burst with anger/grief/joy 勃然大怒/悲痛 欲绝/乐不可支
①(牛津P261)He felt he would burst with anger and shame. 他恼羞成怒，都要气炸了。 ②(牛津P261)Firefighters burst the door open and rescued them.消防 队员撞开门，把他们救了出来。
语从句，修饰先行词the morning。
4．(2012· 郑州检测)—Are you going somewhere during the winter
vacation?
—Yes ， I’ve found a nice beach
________ I can enjoy swimming
even in February. A．that C．where D．which B．when
It seemed as if __________________(仿佛) the
world was at an end! 3．leave＋宾语复合结构 Thousands of families were killed and many children were left without parents ______________________(成了孤 儿)．
高频短语 right away 1．________________ 上
立刻；马
as if
2．________________ 好像；仿佛 at an end
3．________________ 结束；终结 in ruins
4．________________
破败不堪 out dig
严重受损；
5．________________ 掘出；发现
典型句式
1．too...to... 太„„而不„„ In the farmyards，the chickens and even the pigs were too nervous to eat ________________________(太紧张而 不敢吃东西)．
Earthquakes——地震
基础盘点自测自评
核心单词 1. After the crash，an ambulance took injured the ____________(受伤者) immediately. Shocked 2. ____________(震惊) at the sad news， my aunt stood there still，not knowing what to say. to hospital
n．[C](pl.) 废墟；遗迹 v．(使)破产；(使)堕落；毁灭 (教材P26)In fifteen terrible seconds a large city lay in ruins. 在可怕的15 秒内，一座大城市就成为一片废墟。
归纳拓展
(1) in ruins成为废墟
bring sb.to ruin使某人失败；使倾家荡产 come/fall to/into ruin毁灭，灭亡；崩溃；破坏掉
解析：选B。考查定语从句。句意为：
我爷爷特别喜欢谈论美好的往昔，在
老年人当中，这样的情况很普遍。这
里用as引导非限制性定语从句，指代
主句内容，并在从句中作主语。
考点串讲讲练互动
单词精研 1burst vt.& vi. (使)爆裂；(使)裂开；( n. 突然破裂；爆发
在 使)炸开；突然出
现；爆发
(教材P26)In the city，the water pipes in some buildings cracked and burst. 市内，有些建筑物的水管爆裂开来。
____________ that he was very
Judging 11．____________ from what he
said just now，he must be an honest man.On the contrary，he judge often tells a lie，so we should not ____________ a man by his appearance.(judge)
A．that；which B．when；which C．which；when D．that；that
解析：选B。考查定语从句。第一空 引导限制性定语从句，先行词为the days，引导词在从句中充当时间状语, 用when；第二空引导非限制性定语从 句，先行词为前面整句话，用关系代 词which，所以选B项。
ห้องสมุดไป่ตู้
injure
【助记】
巧思妙解 用wound，injure，hurt，harm填空 (1)About 50 people were seriously ________ in the attack. wounded injured (2)One of the players ________ his knee and had to be carried off.
单元语法 定语从句(Ⅰ) 1 ． (2012· 建 四 地 六 校 联 考 )I’ll 福 never forget the days ________ I learned hard in my senior high school ， ________ changed my
whole life.
a (great) number of 6．________________
的 blow away
许多；大量
7．________________ 刮走 instead of 8．________________ be trapped in 是 be buried in 代替；而不
9．________________ 陷入 10．________________ 埋头于
解析：选C。考查定语从句。先行词 为a nice beach，空白处后面的定语 从句含有主语、谓语、宾语和时间状 语,因此空白处只能在从句中作地点状 语,用关系副词where。
5．(2012· 济南模拟)My grandfather is fond of talking about the good old days,________ is often the case with old people. A．when C．that B．as D．what
句子。
3 ． (2012· 坊 模 考 )The accident 潍 happened at nine o’clock in the morning ________ we were all busy with our work. A．that C．when B．which D．as
解析：选C。考查定语从句。when we were all busy with our work是定
辨析injure/wound/hurt/harm
多指意外事故造成的伤害，也可指对名 誉、地位的损害 指人在战斗、攻击中受伤，身体上出现 wound 明显的伤口，多指枪伤、刀伤、刺伤等 皮肉之伤。 多指精神上受到伤害，也可指身体上的 hurt 疼痛 指身体或精神上的损害或对周围事物的 harm 危害。意为“伤害，损害，有害于”。 常用短语do harm to... “对„„有害”。
2．(2012· 绵阳诊断)The result of the experiment was very good ， ________ we hadn’t expected. A．when C．what B．which D．that
解析：选B。考查定语从句。which引 导非限制性定语从句，指代前面整个
7．When the second earthquake happened，some of therescue ____________(援救) workers and doctors were trapped under the ruins. 8．Oncongratulations arriving there，we expressed our _________________(祝贺) to him
③Scarcely had she heard the news about the death of Steve Jobs when she
burst_out_crying/burst_into_tears. 她一听到乔布斯死亡的消息，就失声 痛哭起来。
2injure
vt. 损害；伤害
(教材P26)Twothirds of them died or were injured during the earthquake. 伤亡。 他们中有2/3在地震中
frightening 9．On seeing the ______________
frightened scene,the little girl was so
____________ that she burst out
crying.(frighten) express
10．Mr. Wang couldn’t ____________ expression himself clearly when he heard the news，but I could tell from his
hurt (3)What really ________ me was
that he never answered my letters. harm (4)Don’t ________ your eyes by reading in dim light.
3ruin
n ． [U] 毁 坏 ； 毁 灭 ； 崩 溃
归纳拓展 burst out crying/laughing
笑起来
突 然 哭 起来 / burst into tears/laughter
burst in/into 闯入，突然破门而入 burst with anger/grief/joy 勃然大怒/悲痛 欲绝/乐不可支
①(牛津P261)He felt he would burst with anger and shame. 他恼羞成怒，都要气炸了。 ②(牛津P261)Firefighters burst the door open and rescued them.消防 队员撞开门，把他们救了出来。
语从句，修饰先行词the morning。
4．(2012· 郑州检测)—Are you going somewhere during the winter
vacation?
—Yes ， I’ve found a nice beach
________ I can enjoy swimming
even in February. A．that C．where D．which B．when
It seemed as if __________________(仿佛) the
world was at an end! 3．leave＋宾语复合结构 Thousands of families were killed and many children were left without parents ______________________(成了孤 儿)．
高频短语 right away 1．________________ 上
立刻；马
as if
2．________________ 好像；仿佛 at an end
3．________________ 结束；终结 in ruins
4．________________
破败不堪 out dig
严重受损；
5．________________ 掘出；发现
典型句式
1．too...to... 太„„而不„„ In the farmyards，the chickens and even the pigs were too nervous to eat ________________________(太紧张而 不敢吃东西)．
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2018版高考一轮总复习英语课件：1-1-4必修1Unit 4 Earthquakes 精品
热点句型 1．too... to... “太……而不能……” In the farmyards, the chickens and even the pigs were too_nervous_to_eat (紧张得不吃食)．(教材 P26) 2．looking for... 是现在分词短语作伴随状语 Mice ran out of the fields looking_for_places_to_hide (找 地方藏身)．(教材 P26) 3．It seems/seemed as if...“看起来好像……”
18．shelter (n.) 掩蔽；掩蔽处；避身处 19．damage (n. & vt.) 损失；损害 20．frighten (vt.) 使惊吓；吓唬→frightened (adj.) 受 惊的；受恐吓的→frightening (adj.) 令人恐惧的 21．congratulation (n.) 祝贺；(复数)贺词→congratulate (vt.) 祝贺 22．judge (n.) 裁判员；法官 (vt.& vi.) 断定；判断； 判决→_judgement (n.) 判断力；识别力
23．express (vt.) 表示；表达 (n.) 快车 ；速递→(n.) expression 表达；表情
24．survivor (n.) 幸存者；生还者；残存物→survive (vt. & vi.) 幸存；存活下来→survival (n.) 生存；存活；幸存
重点短语
1．think_little_of
巩固训练 在空白处填入适当的内容(1 个单词)或括号内单词的正 确形式。 1．The army organized teams to dig out those who _w_e_r_e_t_ra_p_p_e_d__ (trap) and to bury the dead.
高考人教版一轮复习课件：第一部分+基础知识聚焦+必修一+Unit+4 Earthquakes(共85张PPT)
[发表感想]Obviously，all is owed to our our motherland and the whole
party,
warm-hearted people all over the world. ②
Without their help, there would be no new and
(2011·福建高考)为纪念汶川大地震六周年， 某英文报发起关于灾区新貌的征文活动。请 根据图片提示，以“Great Changes”为题， 用英语写一篇短文应征。内容要点如下： 1．某中学灾后六年来的变化，如教学与活动 场所，以及师生精神面貌等； 2．发生变化的原因； 3．你的感想。
11．attack v．攻击，袭击 12．unite v．团结；联合 13．hopeless adj.无助的 14．dramatically adv.剧烈地 15．first-aid 急救 16．take place 发生 17．put up 搭建 18．work together 共同工作 19．take on a new look 呈现新面貌 20．owe to 归功于 21．take measures to do sth. 采取措施做某
基础知识梳理
Ⅰ.单词速记 A．识记单词 burst 1．________ (vi.) 爆裂；爆发 (n.) 突然破裂；爆发 event 2．________ (n.) 事件；大事 ruin 3．________ (n.) 废墟；毁灭 (vt.) extreme 毁灭；使破产 destroy 4．________ (adj.) 极度的 shock 5．________ (vt.) 破坏；毁坏；消灭 6．________ (vt. & vi.) (使)震惊；震 动
高考英语一轮复习 第一部分 Unit 4 Earthquakes课件 必修1
11.__u_s_e_l_e_ss_ adj.无用的；无效的；无益的→__u_s_e_f_u_l_ adj. 有用的
12.__s_h_o_c_k__ vt.& vi.(使)震惊；震动 n.休克；打击；震惊 →__s_h_o_c_k_in_g__ adj.令人震惊的→__s_h_o_c_k_e_d__ adj.震惊的
经典佳句 1.__W__h_a_t___ _____d_o___ ___y_o_u___ ___t_h_in_k___ will happen before an earthquake? 发生地震前你认为会发生什么事？
2.In the farmyards, the chickens and even the pigs were __t_o_o____ __n_e_r_v_o_u_s_ ____t_o___ ____ea_t___. 农场里的鸡和猪太恐 慌以至不吃东西。
(1)If you injure conscience，it will have its revenge on you.伤 害良心，将受到良心的严惩。
23.__e_x_p_r_e_ss__ vt.表示；表达 n.快车；速递→__e_x_p_r_e_ss_i_o_n_ n.表达；表情
常考短语
1.___r_ig_h_t__ away 立刻；马上 2.____a_s ___ if 仿佛；好像 3.at an ___e_n_d___ 结束；终结 4.in ___ru_i_n_s__ 严重受损；破败不堪 5.___d_i_g___ out 掘出；发现 6.a (great) ___n_u_m_b_e_r__ of 许多；大量的 7.be ___p_ro_u_d___ of 以……而自豪 8.____g_et___ away from 从……逃离 9.__r_a_i_se___ money 筹钱；募捐
高考英语(人教)大一轮复习领航课件：必修一+Unit+4 Earthquakes
lay in ruins.The suffering of the people was extreme.Everything was destroyed.People were shocked.It seemed as if the world was at an end.
All hope was not lost.Soon after the quake，a great number of soldiers were sent to help to dig out those who were trapped and to bury the dead.Soldiers and volunteers built shelters for the survivors 话题语 whose homes had been destroyed. 篇 To our great relief，now a new Wenchuan has been constructed.No words are strong enough to express our thanks for the great efforts the soldiers and the volunteers have made to help Wenchuan people.
4．【教材原句】 Thousands of families were killed and many children were left without parents.
•
5 月 12 日是汶川地震纪念日，你校校报编辑向你约稿。请你 用英语写一篇关于汶川地震的短文，以悼念在地震中丧生的人。 【话题模板】 话题语 Nine years ago，a big earthquake struck Wenchuan in Sichuan 篇 Province on this day.The quake was so strong that one-third of the nation felt it.In several terrible minutes，the city and the countryside
All hope was not lost.Soon after the quake，a great number of soldiers were sent to help to dig out those who were trapped and to bury the dead.Soldiers and volunteers built shelters for the survivors 话题语 whose homes had been destroyed. 篇 To our great relief，now a new Wenchuan has been constructed.No words are strong enough to express our thanks for the great efforts the soldiers and the volunteers have made to help Wenchuan people.
4．【教材原句】 Thousands of families were killed and many children were left without parents.
•
5 月 12 日是汶川地震纪念日，你校校报编辑向你约稿。请你 用英语写一篇关于汶川地震的短文，以悼念在地震中丧生的人。 【话题模板】 话题语 Nine years ago，a big earthquake struck Wenchuan in Sichuan 篇 Province on this day.The quake was so strong that one-third of the nation felt it.In several terrible minutes，the city and the countryside
2019届一轮复习人教版必修1 Unit 4 Earthquakes课件(46张)
proud of 以……而自豪 7．be ________
get away from 从……逃离 8．________ 9．________ raise money 筹钱；募捐
经典佳句 What ________ ________ do you think 1 ． ________ ________ will happen
n．休克；打击；震
trap vt.使陷入困境 12．________
n．陷阱；困境
electricityn．电；电流；电学→________ adj.电的； electric 13．___________ electrical 带电的→___________ adj.用电的；与电有关的 14．________ disastern．灾难；灾祸 bury vt.埋葬；掩埋；隐藏 15．________
because The people of Tangshan didn't lose hope 6.________ 150,000
electricity in the city was cut off and people began to wonder how
long the disaster 4.________would (will) last.The whole city was destroyed completely 5.____________ (destroy) and the world seemed at its end.
v．祝贺
sincerely 20．________ adv.真诚地；真挚地→________ adj.sincere 真诚的； 真挚的 express 21．________ vt.表示；表达 expression n．快车；速递→__________
2019届高考全国卷英语一轮复习课件：必修一 Unit 4 Earthquakes 精品
营救
congratulations
14． disaster
n．灾难；灾祸
encouraged her greatly.(congratul ate)
3．“自然灾害”相关单词 一览 ①disaster n．灾难；不幸 ②earthquake n．地震 ③drought n．旱灾；干旱 ④eruption n．(火山)喷发 ⑤hurricane n．飓风 ⑥tsunami n．海啸
填一填
练一练
背一背
动词＋介/副词
选用左栏短语填 1.表示“立刻；马
1．think little/nothing 空
上”的词语荟萃
of 以为……没什 1．Judging from ①right away
么了不起
his happy look on ②right now
2．dig out 掘出； the face，he must ③at once
Ⅱ.阅读词汇(见词识义)
1．canal n． 运河；水道
2.event n． 事件；大事
3．farmyard n．农场；农家 4.outline n．要点；大纲；轮廓
5．headline n． 报刊的大字标题
6.earthquake n． 地震
7．track n． 轨道；足迹；痕迹 8.title n．标题；头衔；资格
yesterday. 10．be proud
of 以……
而自豪
2．“埋头于；专心于”的多种 表达 ①be buried in ②be occupied in ③be absorbed in ④be engaged in ⑤be devoted to ⑥concentrate on ⑦apply oneself to ⑧put one's heart into ⑨fix/focus one's attention on
2019届高考英语一轮复习课件：必修一 Unit 4Earthquakes(63张PPT)
必修一 Units 4
理基础自主排查
析考点层级探究
研教材巧学活用
备习作日积月累
提素能课时冲关
1.“A→A→A”式不规 则动词变化
2.合成名词(n.＋n.)
3.“think＋副词＋of” 短语 ①think little of 认
①burst burst burst 裂，爆发 ②cost cost cost ③put put put
表达 n.快车；速递→ 示；表达
n．词语；表情；表
必修一 Units 4
理基础自主排查
析考点层级探究
研教材巧学活用
备习作日积月累
提素能课时冲关
(1)earthquake 阅 读 单 词 件；大事 (3)suffering 足迹；痕迹 (5)disaster n． n．
n． 地震
(2)event
n． 事
vt.& n．援救；营救 (5) trap vt.使陷入困境 n． 陷阱； 困境 (6) bury
vt.埋葬；掩埋；隐藏 (7) damage n．&vt.损失；损害
必修一 Units 4
理基础自主排查
析考点层级探究
研教材巧学活用
备习作日积月累
提素能课时冲关
(1)
nation
n． 民族； 国家； 国民→ extreme injure injured
爆
①earthquake ②bookmark
地震 为……没价值 书签 ②think highly of 篮球 视；看得起 重
花费
③basketball ④website
放下 伤害 关闭
网站
③think well of
重视 轻视 认
最新高考英语一轮复习课件必修1 Unit 4 Earthquakes
Unit 4 Earthquakes
必修 1
Unit 4 Earthquakes
基础分级
核心考点
随堂特训
-2-
Ⅰ.单词 由简到难,水到渠成 【识记阅读单词】 1.earthquake n.地震 2.quake n. 震动;地震 3.well n. 井 4.pipe n. 管;导管 5.canal n. 运河;水道 6.steam n. 蒸汽;水汽 7.dirt n. 污垢;泥土 8.brick n. 砖;砖块 9.dam n. 水坝;堰堤 10.track n. 轨道;足迹;痕迹
必修 1
Unit 4 Earthquakes
基础分级
核心考点
随堂特训
-14-
1.似乎没有人知道关于这个男孩的任何事。 It seemed as if nobody knew anything about the boy. 2.并不是每个人都诚实。 All the men are not honest.
必修 1
Unit 4 Earthquakes
基础分级
核心考点
随堂特训
-12-
1.表示“立刻;马上”的短语
at once;right away;right now;in no time 2.含有复数名词的短语 in rags 衣衫褴褛 in high spirits 情绪高涨 3.表示数量的短语 an amount of/amounts of 大量的(修饰不可数名词) a variety of/varieties of 很多;大量(修饰可数或不可数名词) a great many 很多(修饰可数名词复数)
(2)It is not surprising that young people are likely to burst out.(2016·北京,阅读理解D) 年轻人很可能会爆发,这并不奇怪。
必修 1
Unit 4 Earthquakes
基础分级
核心考点
随堂特训
-2-
Ⅰ.单词 由简到难,水到渠成 【识记阅读单词】 1.earthquake n.地震 2.quake n. 震动;地震 3.well n. 井 4.pipe n. 管;导管 5.canal n. 运河;水道 6.steam n. 蒸汽;水汽 7.dirt n. 污垢;泥土 8.brick n. 砖;砖块 9.dam n. 水坝;堰堤 10.track n. 轨道;足迹;痕迹
必修 1
Unit 4 Earthquakes
基础分级
核心考点
随堂特训
-14-
1.似乎没有人知道关于这个男孩的任何事。 It seemed as if nobody knew anything about the boy. 2.并不是每个人都诚实。 All the men are not honest.
必修 1
Unit 4 Earthquakes
基础分级
核心考点
随堂特训
-12-
1.表示“立刻;马上”的短语
at once;right away;right now;in no time 2.含有复数名词的短语 in rags 衣衫褴褛 in high spirits 情绪高涨 3.表示数量的短语 an amount of/amounts of 大量的(修饰不可数名词) a variety of/varieties of 很多;大量(修饰可数或不可数名词) a great many 很多(修饰可数名词复数)
(2)It is not surprising that young people are likely to burst out.(2016·北京,阅读理解D) 年轻人很可能会爆发,这并不奇怪。
《高中英语人教版课件：必修1Unit4Earthquakes》
对人类造成经济、社会和环境的灾害，改变 生态系统等。
地震成因
板块运动
板块碰撞或者板块内部突然释 放能量造成地震。
地下岩石结构变化
地球上的岩石一直在运动，这 些运动可以在断层或岩石结构 变化时引发地震。
人造地震
人类活动如水库建设、探矿等 都可能引起地震。
里氏震级
定义
里氏震级是衡量地震能量大 小的对数表示法。
地震响应管理是减轻地震后果的 关键。科学家专注于如何使响应 管理变得更快、更有效。
技术创新
科学技术在地震研究和应对中扮 演重要角色。近年来，新技术如 地震预警，已经得到了越来越多 的关注。
支援地震灾区的组织
1 联合国
联合国协调救灾工作，处理人道主义 援助。
2 红十字会
提供紧急援助，如救助受伤、提供药 物和安置流离失所者。
计算方法
通过地震波到达时间的差异 和距离，算出震源的位置和 球面扩展速度，然后根据震 源释放的能量计算出震级。
震级影响
每增加一级，地震的能量会 增强大约32倍。一场级别6的 地震能破坏大部分城市建筑， 造成大量人员伤亡。
、云彩和地下水位的变化
现代监测方法
2
等自然现象来判断地震是否即将发生。
3 救援队
派出救援队到地震现场，疏散被地震困住的人员。
开展地震监测，以期尽早 发现地震的迹象；建造防 护墙和机器人等通过遥远 的地洞来探索隐蔽的岩石 形态，以计算潜在的海啸。
应对地震：防灾减灾知识
家庭应急预案
事先制定详细的家庭应急预案， 包括紧急联系人的信息、密钥 存放的位置、粮食饮用水的储 备、急救工具等。
安全撤离
在地震中，要远离易破碎物品 和大树，如果室内，则躲在结 构牢固的墙壁下或桌子下。
地震成因
板块运动
板块碰撞或者板块内部突然释 放能量造成地震。
地下岩石结构变化
地球上的岩石一直在运动，这 些运动可以在断层或岩石结构 变化时引发地震。
人造地震
人类活动如水库建设、探矿等 都可能引起地震。
里氏震级
定义
里氏震级是衡量地震能量大 小的对数表示法。
地震响应管理是减轻地震后果的 关键。科学家专注于如何使响应 管理变得更快、更有效。
技术创新
科学技术在地震研究和应对中扮 演重要角色。近年来，新技术如 地震预警，已经得到了越来越多 的关注。
支援地震灾区的组织
1 联合国
联合国协调救灾工作，处理人道主义 援助。
2 红十字会
提供紧急援助，如救助受伤、提供药 物和安置流离失所者。
计算方法
通过地震波到达时间的差异 和距离，算出震源的位置和 球面扩展速度，然后根据震 源释放的能量计算出震级。
震级影响
每增加一级，地震的能量会 增强大约32倍。一场级别6的 地震能破坏大部分城市建筑， 造成大量人员伤亡。
、云彩和地下水位的变化
现代监测方法
2
等自然现象来判断地震是否即将发生。
3 救援队
派出救援队到地震现场，疏散被地震困住的人员。
开展地震监测，以期尽早 发现地震的迹象；建造防 护墙和机器人等通过遥远 的地洞来探索隐蔽的岩石 形态，以计算潜在的海啸。
应对地震：防灾减灾知识
家庭应急预案
事先制定详细的家庭应急预案， 包括紧急联系人的信息、密钥 存放的位置、粮食饮用水的储 备、急救工具等。
安全撤离
在地震中，要远离易破碎物品 和大树，如果室内，则躲在结 构牢固的墙壁下或桌子下。
高一英语必修1Unit4Earthquakes课件
2020/4/30
again.
2020/4/30
Let’s enjoy some pictures about Tangshan.
2020/4/30
2020/4/30
Tang shan’s new look
2020/4/30
2020/4/30
Let’s have a try!
Discussion
What should we do to protect ourselves if an earthquake happened?
Part 2:
Details
Para. 2-3
1._A__h_u__g_e__c_r_a__cckut across houses, roads and canals. 2._S_t_e__a_m_ burst from holes in the
ground. 3.Hard hills of the rock became rivers of
30 metres wide cut across houses.
❖In 15 terrible seconds a large city lay in ruins. ❖ 2/3 of the people died or were injured during
the earthquake.
❖ The number of people who were killed or injured
2020/4/30
Reading
2020/4/30
1.When did the earthquake happen? At 3:42 am on July 28,1976. 2.How many people died or injured in this disaster? More than 400,000.
again.
2020/4/30
Let’s enjoy some pictures about Tangshan.
2020/4/30
2020/4/30
Tang shan’s new look
2020/4/30
2020/4/30
Let’s have a try!
Discussion
What should we do to protect ourselves if an earthquake happened?
Part 2:
Details
Para. 2-3
1._A__h_u__g_e__c_r_a__cckut across houses, roads and canals. 2._S_t_e__a_m_ burst from holes in the
ground. 3.Hard hills of the rock became rivers of
30 metres wide cut across houses.
❖In 15 terrible seconds a large city lay in ruins. ❖ 2/3 of the people died or were injured during
the earthquake.
❖ The number of people who were killed or injured
2020/4/30
Reading
2020/4/30
1.When did the earthquake happen? At 3:42 am on July 28,1976. 2.How many people died or injured in this disaster? More than 400,000.