初中英语人教版（2024）八年级下册（2024）Unit 5 Nature's TemperSection B示范课ppt课件

这是一份初中英语人教版（2024）八年级下册（2024）Unit 5 Nature's TemperSection B示范课ppt课件，共23页。PPT课件主要包含了Lead-in，wildfire，snowstorm，suddenly，forecasts，houses，dangerous，died，safe等内容，欢迎下载使用。
Wildfire（野火）
Snwstrm（暴风雪）
Wrk in a grup t make a chain stry abut a wildfire r a snwstrm. Read the intrductins f the tw stries.
During the ht and dry summer last year, my familyexperienced the first natural disaster f ur lives. Wewere hiking in the muntains when lightning flashedacrss the sky. The sky gt darker and darker. Andthen we realized that we weren’t lking at cluds. Itwas smke! There was a wildfire!
Last winter, my family had a terrifying experience. Itstarted ne evening while we were enjying a quiet night at hme. My parents were watching TV while my brther was ding his hmewrk. I, n the ther hand, was glued t my bedrm windw. Thick snw was falling and the wrld utside was grwing whiter and whiter.
（形容词）可怕的拓展：terrify（动词）使恐惧；使十分害怕
n the ther hand 另一方面常用于“n the ne hand...，n the ther hand...”结构中，意为“一方面……，另一方面……”
be glued t sth 全神贯注看着某物；离某物很近
Chse ne intrductin and cntinue the stry. Take turns t add ne r tw sentences. Yu can use the example belw t help yu.
A: “Lk!” my brther shuted. “I can see the fire ver there!”B: I had my phne ut. I was ready t call fr help.C: My dad ...
A: “Lk!” my brther shuted. “I can see the fire ver there!”B: I had my phne ut. I was ready t call fr help.C: My dad stpped me. “N time fr phts, kid!” he said. “That’s a wildfire, and it’s mving fast. We need t leave nw.”A: My brther held Dad’s hand. “D we g twards the lake we passed earlier?”B: I hurried t catch up, asking wrriedly,“Will the fire fllw us? My thrat feels uncmfrtable.”C: “Cver yur muth with this twel（毛巾）. The lake is safe. We’re almst there!” he said.
D: My mum checked the sky as we walked. “The smke is nt getting clser yet, but let’s keep mving until we see the water!”A: My brther suddenly pinted ahead. “I see the lake! Lk!”B: I tk a deep breath and said, “Srry, I wanted t take phts... I wn’t d that again in danger.”C: My dad smiled sftly and said, “Mistakes smetimes happen —what matters is that we’re all tgether and safe nw.”
Write dwn yur stry and imprve it. Chse ne member t tell the stry t the class. Vte fr the best chain stry.
Strm Chasing: A Dangerus but Imprtant Jb
Are yu afraid f big strms? Many peple are. But did yu knw sme peple g ut t chase trnades? Such strms can hit suddenly and mve very quickly, s strm chasers always have t be prepared.
be afraid f... 害怕……
When a trnad is abut t hit, prfessinalstrm chasers try and get clse t it tcllect imprtant infrmatin. Strmchaser Tim Samaras designed and builtmany different instruments fr studying trnades. Thrughut his career, the engineer chased dwn mre than 120 trnades. Often, he filmed the strms while they were happening just a few kilmetres away.
be abut t 即将；正要（做某事）
（形容词）职业的；专业的
（介词）自始至终；贯穿整个时期
/kəˈrɪə（r）/（名词）生涯；职业
chase dwn 寻找到；追踪到
During a strm, strm chasers put special equipment in the way f the trnad. The equipment cllects infrmatin abut things such as wind speed and air pressure. This helps scientists t make better frecasts. It can even help peple understand hw pwerful the winds can be, and as a result, change hw we build ur huses.
（不可数名词）设备；器材a piece f equipment 一件设备
（名词）预测；预报weather frecast 天气预报
It can even help peple understand hw pwerful the winds can be, and as a result, change hw we build ur huses.
第二个谓语，承接前文，省略can，与help并列，是句子的第二个核心动作
Strm chasing can be exciting, but als very dangerus. The strm chasers’ knwledge and experience are nt always enugh t keep them safe. On 31 May 2013, Samaras and his team were chasing the El Ren trnad in Oklahma, USA. T their surprise, the trnad behaved in an unexpected way. It grew rapidly and changed its speed and directin.
t sb’s surprise出乎某人的意料
（形容词）出乎意料的；始料不及的
（副词）快速地；迅速地
On that terrible day, the largest trnad ever recrded appeared. It was 4.2 kilmetres wide and had winds tpping 480 kilmetres per hur. While the trnad was mving twards them, Samaras and his team were driving as fast as they culd. Sadly, when the trnad hit their car, it threw their car int the air like a ty. All three men in the car died.
过去分词作后置定语，修饰trnad，说明龙卷风的状态属性
（动词）高于，超过（某一数量）
thrw sth int the air 把某物抛向空中
The stry f Tim Samaras is very sad, but his wrk cntinues t play an imprtant rle in weather science. Thugh strm chasing remains a dangerus jb, the gal f strm chasers is t learn mre abut strms t keep peple safe. Fr peple like Samaras, that gal makes it all wrth it.
cntinue t d/ding sth继续做某事
play an imprtant rle in 在……中发挥重要作用/扮演重要角色
Read the text and cmplete the summary.
A trnad is a type f strm. It can hit ________ and mve very quickly. Strm chasers get clse t trnades t cllect imprtant __________. This can help scientists t make better ________. It can als change hw peple build ________. Hwever, strm chasing can be a very __________ jb. In 2013, Tim Samaras and his team ________ when they were chasing the El Ren trnad. But strm chasers tday cntinue t d such wrk. Their gal is t keep peple ________.
Discuss the questins.
1. What d yu think f Tim Samaras’s jb as a strm chaser?2. What d yu need t be a gd strm chaser?3. D yu knw f any ther dangerus jbs? Why d peple d them?
1. What d yu think f Tim Samaras’s jb as a strm chaser?
2. What d yu need t be a gd strm chaser?
3. D yu knw f any ther dangerus jbs? Why d peple d them?
I think his jb is exciting, but als very dangerus.
T be a gd strm chaser I need t have a lt f knwledge abut weather science, knw hw t use special equipment, and always be prepared fr danger.
Yes, like firefighters r deep-sea fishermen. These jbs are dangerus because they invlve risks like fires, high waves, r bad weather. Peple d them because they want t prtect thers r because they want t supprt their families.
1. Can yu name different natural disasters and talk abut their impacts?2. Can yu describe peple’s actins befre, during, and after a natural disaster?3. Can yu talk abut what yu were ding during an event in the past?4. Hw shuld we prepare fr and stay safe in bad weather r natural disasters?