初中英语人教版（2024）八年级下册（2024）Section B课前预习课件ppt

这是一份初中英语人教版（2024）八年级下册（2024）Section B课前预习课件ppt，文件包含第4课时SectionB1a-2cpptx、Unit5SectionB1bmp3等2份课件配套教学资源，其中PPT共39页， 欢迎下载使用。
What is the wrst natural disaster yu knw f?Discuss it with a partner.
earthquake（地震）, fld（洪水） , typhn（台风） , hurricane（飓风） , trnad（龙卷风） , tsunami（海啸） , drught（干旱） , sandstrm（沙尘暴） , avalanche（雪崩） , landslide（山体滑坡）
While-reading
Read the first paragraph f the text. What d yu think happened t Tilly Smith and her family next? Then read the rest f the text t check yur answer.
Hw One Girl Saved Many LivesOn 26 December 2004, Tilly Smith, a 10-year-ld English schlgirl, and her family were n hliday in Phuket, Thailand. Everyne was enjying the beautiful weather that mrning. Sme peple were swimming in the sea, and sme were relaxing n the beach. But while Tilly was walking alng the beach with her family, she nticed smething strange. Thick white frth was frming n tp f the waves. Next, she saw that the waves were cming in instead f ging ut.
（不可数名词）泡；泡沫
Just then, she remembered smething imprtant. Tw weeks befre, her gegraphy teacher had explained that earthquakes under the sea culd create dangerus waves called tsunamis!“I knw what’s ging t happen! There’s ging t be a big wave,” Tilly cried. Unfrtunately, her family didn’t believe her and wanted t cntinue their walk. Hwever, Tilly refused t take a single step further. Finally, her mther decided t cntinue the walk alne, and the rest f her family returned t the htel.
refuse t d sth 拒绝做某事take a step 迈步
decide t d sth决定做某事
剩余的……； 其余的……
Back at the htel, Tilly’s father tld a security guard abut the tsunami. The security guard was shcked. He knew abut the huge earthquake in nearby Indnesia. It meant that a tsunami was pssible! He jumped int actin right away and rushed t get peple ff the beach. Everyne began t panic. Peple were screaming and running as fast as they culd when they saw a huge wall f water cming frm the sea.
rush t d sth匆忙/赶紧去做某事
 sb. can 尽某人所能地…
Tilly was right! Her mther was ne f the last peple n the beach, but thankfully, her family made it t safety just as the water hit the htel. The 2004 tsunami caused ver 200,000 deaths, but n ne n the beach died that day.This true stry shws hw a single lessn culd mean the difference between life and death. Thanks t her knwledge and quick thinking, ne schlgirl was able t save ver 100 lives.
“make it”是英语常用习语，意为“成功做到（尤指困难的事）”，比“get t” “reach”更能体现“逃生过程的艰难与最终成功”；“t”是介词，后接目的地。
between... and... 在……和……之间一般指在两者之间。
1. Tw weeks befre, her gegraphy teacher had explained that earthquakes under the sea culd create dangerus waves called tsunamis！
that引导的宾语从句，从句的主语是earthquakes，under the sea是定语，修饰earthquakes。谓语是culd create，宾语是dangerus waves
分析：本句为主谓宾结构的复合句，由“时间状语+主句+宾语从句”构成，整体时态为过去完成时（had explained），体现“过去的过去”的时间逻辑。
2. Peple were screaming and running as fast as they culd when they saw a huge wall f water cming frm the sea.
谓语（and连接两个并列的现在分词）
方式状语，修饰running
when引导的时间状语从句，从句的主语是they，谓语是saw，宾语是a huge wall fwater，宾语补足语是cming frm the sea
现在分词短语作宾语补足语，补充说明a huge wall f water的动作状态——正从海里涌来
分析：本句是包含时间状语从句的复合句，句子的主干是“Peple were screaming and running as fast as they culd”，后面是when 引导的 时间状语从句。
3. Her mther was ne f the last peple n the beach, but thankfully, her family made it t safety just as the water hit the htel.
分析：本句是一个包含并列结构与时间状语从句的复合句，由but 连接 两个并列句子，其中第二个句子中“just as the water hit the htel” 是一个时间状语从句。
4. This true stry shws hw a single lessn culd mean the difference between life and death.
hw引导的宾语从句，从句的主语是a single lessn，谓语是culdmean，宾语是the difference between life and death
分析：本句是一个包含宾语从句的复合句，前面是主句，后面是 hw引导的宾语从句。
Read the text again and cmplete the timeline.
Understanding the rder f eventsIdentifying the beginning, middle, and end f a stry can help yu understand the stry better. Lk ut fr wrds and phrases that tell yu when smething happens, such as next, then, finally, when, while, and tw weeks befre.
Tilly remembered learning abut tsunamis in class.
Tilly’s family went back t the htel, except her mther.
Tilly warned her family abut the tsunami.
Tilly’s family went t the beach in Thailand.
Tilly nticed smething strange abut the waves.
Peple rushed t leave the beach.
The tsunami hit, but everyne was safe.
Peple at the beach learnt abut the tsunami.
The security guard warned peple n the beach.
Read again. Circle T fr true r F fr false. Then crrect the false statements.
1. Tilly fund that the waves were mving away frm the beach. T F
2. Tilly remembered what she read abut in her gegraphy bk. T F
Tilly fund that the waves were cming in instead f ging ut.
Tilly remembered what her gegraphy teacher had explained abut tsunamis.
3. Tilly’s father believed her as sn as she tld her family abut the strng waves. T F
4. The security guard learnt abut the tsunami frm Tilly’s father. T F
5. Tilly’s mther did nt reach the htel befre the tsunami did. T F
Tilly’s father didn’t believe her at first.
Tilly’s mther made it t safety as the water hit the htel.
Pst-reading
Discuss the questins.
1. D yu think Tilly Smith was a her? Why?
2. Frm Tilly’s experience, what d yu think peple need t knw t survive a natural disaster?
3. What did yu learn at schl that might help t save yur life ne day?
2. Frm Tilly’s experience, what d yu think peple need t knw t survive a natural disaster?
3. What did yu learn at schl that might help t save yur life ne day?
Yes. Because Tilly nticed smething strange and tk actin right away t save ther peple.
Peple shuld knw sme basic knwledge f natural disasters and hw t prtect themselves frm the disasters.
We learned the basic first-aid and survival knwledge. Fr example, during an earthquake, we shuld mve t an pen area away frm buildings and trees.
Sme wrds fr natural disasters g tgether with certain verbs. Use these cllcatins t make sentences.
Vcabulary in Use
An earthquake rcked Japan  yesterday.An earthquake happened in Japan yesterday.An earthquake tk place in Japan yesterday.
typhn:hit/landed/blew acrss
tsunami:hit/came/swept thrugh
The tsunami swept thrugh the village.
A typhn landed at 9 ’clck last night.
A typhn hit/blew acrss the village at 9 ’clck last night.
The tsunami hit the village. / The tsunami came t the village.
Lk at the cmpund wrds in the bx. D yu knw what they mean? Cmplete the sentences using five f these wrds.
由“land（n. 土地）+slide（n. 滑动）”构成，意为：滑坡；塌方
由“fld（n. 水灾）+water（n. 水）”构成。意为：洪水
由“man（n. 人）+pwer（n. 力量；体力）”构成。意为：劳动力；人力
由“heart（n. 心；心脏）+beat（n. 跳动）”构成意为：心跳（声）
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.
 safeguard   
fldwater   
avid ding sth. 避免做某事
Cmplete the passage with the crrect frms f the wrds in the bx.
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 wrked tgether t keep the peple and their hmes safe.
（形容词）西南的；西南方向的
（可数名词）消防队员 同义词：fireman
wrk tgether t d sth 齐心协力做某事
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.
manage t d sth 设法做成某事
Language pints
refuse sb. /sth. 拒绝某人/某物 refuse t d sth.拒绝做某事Jenny refused/turned dwn my help plitely. 珍妮礼貌地拒绝了我的帮助。We shuld bey the law and refuse t waste fd. 我们应该遵守法律，拒绝浪费食物。
为不可数名词，但当其前有形容词修饰时，可与不定冠词a/an连用。have a wide knwledge f/abut...精通……knwledge is pwer. 知识就是力量。(Francis Bacn)
knwledge n.知识；学问
引导时间状语从句，强调主句动作和从句动作几乎同时发生。在含有as sn as引导的时间状语从句的复合句中，如果主句用一般将来时，从句应用一般现在时(即“主将从现”)。 He tk ut his English bk as sn as he sat dwn. 他一坐下就拿出了他的英语书。
as sn as 一……就……