人教版（2024）八年级下册（2024）Section B教学ppt课件

这是一份人教版（2024）八年级下册（2024）Section B教学ppt课件，共39页。PPT课件主要包含了Free talk，drought，flood，tsunami，typhoon，wildfire，snowstorm，hit 袭击，rock 摇晃震动，land 着陆等内容，欢迎下载使用。
Learning Objectives
1. 掌握自然灾害相关的动词搭配，如hit, rck, happen 等 ，并描述自然灾害的发生和影响。2. 能够理解并识记常见的与灾难救援相关的复合词。3. 能运用所学词汇和搭配完成语篇填空练习。
What natural disasters d yu knw?
Hw t describe a disaster?
happen/ take place 发生
The earthquake .
The tsunami .
sweep thrugh 袭卷
Let’s learn
作名词：碰撞/很火的人或物Eg. The sng is a hit. 这首歌很火。作动词：击打,碰撞Eg. The car hit a tree, but n ne was hurt.
常见搭配：hit n/upn：突然想到（好主意）；偶然发现hit ut (at)：猛烈抨击hit back: 回击；反驳
作名词：岩石/摇滚乐Eg. He threw a rck int the river.作动词：摇晃/震动/震惊Eg. The explsin rcked the building.
常见搭配：be rcked by sth：被某事震动/震惊n the rcks：触礁；（关系）破裂
表示“偶然发生”（最常见）Eg. A strange thing happened yesterday.表示“（结果）发生”（某种情况出现）Eg. What happens if we miss the bus?
happen t + 人/物”：表示“某人/物出了什么事”Eg. What happened t yur eye? It's red.“happen t d”：表示“碰巧做某事”Eg. I happened t see her n the street.
辨析：happen 侧重“偶然、自发发生” (无被动语态)take place 侧重“有计划、按安排发生”
表示“发生”：多指会议、比赛、节日、变化等。Eg. The meeting will take place next Mnday.表示“举行”：强调经过安排。Eg. The wedding tk place in a garden.
作名词：陆地/土地Eg. After 20 days at sea, they saw land.作动词：着陆/降落Eg. The plane landed safely.
常见搭配：land n sb/sth：指“选定、敲定”（方案等）land yurself in truble：让自己惹上麻烦
sweep thrugh
表示“迅速蔓延 / 席卷”，强调某事物像风扫过一样，快速传遍一个区域或群体。Eg. The virus swept thrugh the cmmunity.病毒在社区里迅速蔓延。表示“扫视 / 环视”，指目光或光线快速、连续地移动。Eg. Her eyes swept thrugh the crwd.她的目光扫过人群。
hit, strike, rck, happen, take place, shake, tear dwn
hit, strike, land, blw acrss, cme, sweep thrugh
hit, strike, cme, sweep thrugh, knck, fld
hit, strike, cme, blw in, mve, start, cause
hit, strike, cme, sweep away, cause
hit, strike, cme, begin, cause
burn, begin, spread, sweep thrugh, mve
1. An earthquake ________ (袭击) Japan yesterday.2. A typhn _________ (登陆) n the cast in Guangdng arund 9 'clck last night.3. The tsunami ______________ (席卷) the castal villages, leaving behind a scene f great damage.4. Yesterday afternn, the typhn _______________ (横扫) the regin, bringing heavy rain.5. The earthquake ______________________ (发生) fifty years ag and _________ (摧毁) the city vernight.
swept thrugh
happened / tk place
/ˈkɒmpaʊnd/
What is a cmpund wrd?
cmpund wrds
Clsed (封闭式)
Hyphenated(连字符式)
Lk at the cmpund wrds in the bx. D yu knw what they mean? Cmplete the sentences using five f these wrds.
1. The rescue wrkers need mre ___________ t clear the streets.2. The family built strng rfs t __________ their huse frm heavy strms.3. The dctr listened t the man's __________ carefully.4. During the strm, the ___________ nearly reached ur windws.5. Peple shuld avid driving during a ____________ because it can be very difficult t see clearly n the rads.
1. What natural disaster is it?
2. What might cause a wildfire?
High temperature and little rain.Dry weather and strng wind.Human activities, like smking in the frest.
3. What can we d when a wildfire happens?
/ˈfaɪəfaɪtə(r)/
v. 拒绝refuse t d sth.拒绝做某事
v. 警告;告诫warn sb. (nt) t d sth.警告某人(不要)做某事
v. 袭击;撞击hit - hit - hitting
adj. 安全的safe - safety (n.) - safely (adv.)keep safe 保持安全
n. 野火put ut wildfires灭火
Cmplete the passage with the crrect frms f the wrds in the bx.
refuse   drught   warn   hit   safe   wildfire 
In August 2022, China experienced a great heatwave. It caused __________ in different parts f the cuntry. The heatwave __________ the suthwestern city f Chngqing very hard. Large __________ swept thrugh the frests and muntains there. Over 5,000 firefighters, plice, and vlunteers all wrkedtgether t keep the peple and their hmes safe. They put ut the fires, brught mre than 1,500 peple t ___________, and ___________ thers t stay away frm dangerus areas. It was very hard t fight the fires because f the high temperatures and changeable winds, but the rescue wrkers __________ t give up. By the end f August, they managed t put ut all the fires.
/ˈhiːtweɪv/
1. When and where did the wildfire happen?
It happened in Chngqing, China, in August 2022.
2. Wh helped t put ut the fires? What did they d?
Over 5,000 firefighters, plice, and vlunteers helped. They put ut the fires, brught peple t safety, and warned thers t stay away frm dangerus areas.
3. What d yu think f these peple?
They are brave, hard-wrking and great.
4. What can we learn frm the stry?
We can learn the spirit f unity and dedicatin, and we shuld be grateful t them. We shuld als learn t prtect urselves frm natural disasters.
Language Pints
In August 2022, China experienced a great heatwave. It caused drughts in different parts f the cuntry. The heatwave hit the suthwestern city f Chngqing very hard. Large wildfires swept thrugh the frests and muntains there. Over 5,000 firefighters, plice, and vlunteers all wrked tgether t keep the peple and their hmes safe. They put ut the fires, brught mre than 1,500 peple t safety, and warned thers t stay away frm dangerus areas. It was very hard t fight the fires because f the high temperatures and changeable winds, but the rescue wrkers refused t give up. By the end f August, they managed t put ut all the fires.
bring sb. t safety 将某人带到安全地带
warn sb. t d sth. 警告/提醒某人做某事
manage t d sth. 设法做成某事
1.  safeguard保护
在家里如何防备各种危险？Hw t safeguard against dangers at hme?政府必须保护人们免受空气污染(危害)。The gvernment must safeguard peple against air pllutin.
safeguard ① [动词]保护；捍卫safeguard against sth 防范/预防某事 保护……免受……② (名词)安全设施；保护措施
学校有火灾报警器和摄像头等安全设施。The schl has safeguards like fire alarms and cameras.
2. The rescue wrkers need mre manpwer t clear the streets.救援人员需要更多人力来清理街道。
战士们竭尽全力营救洪水中的人。The sldiers tried their best t rescue peple in the fld.消防员奋战两个小时，将人们从大楼中救出。Firefighters wrked fr tw hurs t rescue peple frm the building.
rescue① (名词)救援；营救；获救rescue team 救援队 cme t sb's rescue 挽救某人② (及物动词]援救；营救 从……中救……
3. Over 5,000 firefighters,plice,and vlunteers all wrked tgether t keep the peple and their hmes safe. 5000多名消防员、警察和志愿者共同努力保障人们及其家园的安全。
我想成为这座城市的一名志愿者。I want t be a vlunteer in the city.聚会结束后，珍妮自愿打扫房间。Jenny vlunteered t clean up the rm after the party.
(1)vlunteer ① [可数名词)志愿者；自告奋勇者② [及物动词]自愿做；义务做 vlunteer t d sth 自愿做某事③ [不及物动词]自愿做；义务做 (后常跟介词in，fr等)
志愿服务使你对世界的看法不同。Vlunteering makes yu lk at the wrld differently.
我们必须保持教室整洁。We must keep the classrm clean.请让狗在外面。Please keep the dg ut.
(2)keep+宾语+宾语补足语 使……保持某种状态充当宾语补足语的可以是形容词、副词、动词-ing形式或介词短语等。
不要让水一直流着。Dn't keep the water running.
4.   stay away frm dangerus areas.……远离危险区域。
我妈妈建议我不要接近那些淘气的孩子。My mther advised me t stay away frm thse naughty children.河水在上涨，我们离河流远点吧。The river is rising. Let's keep away frm it.妈妈告诉我别把零食放在书桌上。Mum tells me t keep snacks away frm my desk.
stay away frm 离开；不接近其同义短语为keep away frm。拓展: frm 使……远离……；避开……
1. 昨晚一场台风袭击了这座城市。A typhn ________________ last night.2. 昨天地震发生在那个地区。_____________________________________ in that area yesterday.3. 海啸席卷了沿海的几个村庄。The tsunami _______________ several castal villages.4. 这个意外的消息让她很震惊。___________________ shcked her.5. 突然，灯灭了，房间陷入一片漆黑。_______________, the lights went ut and the rm became cmpletely dark.
hit the city
An earthquake tk place / happened
The unexpected news
All f a sudden