人教版（2024）八年级下册（2024）Section B公开课课件ppt

这是一份人教版（2024）八年级下册（2024）Section B公开课课件ppt，共17页。PPT课件主要包含了Lead in，large，small，high，long，low，short，deepest，dive，surface等内容，欢迎下载使用。
通过匹配、朗读等方式，掌握 belw、cmmn、risky、survive、deep 等词汇及反义词的对应关系，感知 hw + 形容词/副词 特殊疑问句的用法，准确认读并理解词义。
通过造句、短文填空等练习，内化 lcated、survive、deep 等词汇的用法，能正确使用 hw lng/high/deep 等结构提问，并能在语篇中运用目标词汇完成填空。
讨论和拓展练习，理解目标词汇在描述自然、环境等主题语境中的表意功能，能够主动用所学词汇描述一处自然景观，并分享自己对探索自然的看法，认同保护自然的理念。
Learning Objectives
What d yu knw abut Lake Baikal?
Befre the adventure, let’s learn sme ppsite wrds.
Taklimakan Desert塔克拉玛干沙漠
Sahara Desert撒哈拉大沙漠
Munt Qmlangma珠穆朗玛峰
Munt Tai 泰山
The Nile 尼罗河
The Yellw River 黄河
Match the wrds n the left with their ppsites n the right.
1.____ belw　　　5. ____ tp2.____ cmmn　　6. ____ nrthern3.____ lw　　　　7. ____ risky4.____ dead　　　 8. ____ survive
A. safe　　　 E. unusualB. bttm　　 F. livingC. suthern　 G. highD. abve　　 H. die
Categrize the wrds.
/ ˈkætəɡəraɪz / 分类
cmmn — unusual; lw — high;dead — living; nrthern — suthern;risky — safe
lw — high; belw — abve
survive — die
belw — abve
Hw large is the Sahara Desert?
Hw high is the Munt Qmlangma?
Hw lng is the Nile River?
It’s abut 9,320,000 square kilmetres.
It’s abut 8,848.86 metres high.
It’s abut 6,670 kilmetres lng.
Read the examples and make mre sentences using hw and the wrds in the bx.
Hw far is it frm yur hme t schl? Hw heavy is a blue whale?Hw large is yur cuntry? Hw ften d yu exercise?
lng　high　deep　ld　fast　sn
Hw lng is the Yangtze River?
Hw high is the Munt Kilimanjar?
Hw deep is the Mariana Trench?
Hw ld is the Lake Baikal?
Hw fast can yu run?
Hw sn can we get there?
Cmplete the passage with the crrect frms f the wrds in the bx.
deep　survive　wnderful　surface　dive
Lcated in Siberia, Russia, Lake Baikal is ne f the wrld's mst famus lakes. It is the ______ freshwater lake in the wrld. T reach the bttm, yu must ______ 1,620 metres! It is als larger than mst ther lakes. Its ______ cvers 31,500 square kilmetres. That is bigger than the cuntry f Belgium! Lake Baikal is cld mst f the year. But ver 1,200 different types f animals can still ______ in this envirnment. Tday, the lake still attracts many curius travellers. After all, it is a great natural _______!
saltwater 咸水的
artificial 人造的
Pair-wrk: Cmplete the infrmatin card f Lake Baikal.
Where: What:Surface:Climate:Animals:
Siberia, Russiathe deepest freshwater lake in the wrld (1,620 m)31,500 square kilmetrescld mst f the yearver 1,200 different types
Let’s g t Lake Baikal t explre.
lcated /ləʊˈkeɪtɪd/ adj. 位于；坐落在
1. The small village ________ (lcate) at the ft f a big muntain is very beautiful.2. Our new schl library is ________ (lcate) in the east f ur campus.3. The htel ________ (lcate) by the sea is a ppular place fr travelers in summer.
Language pints
动词：lcate（v. 定位；找到；使坐落于） 名词：lcatin（n. 位置；地点）常见搭配：be lcated in/at/n（位于……）例句：The famus castle is lcated in Sctland. 这座著名的城堡位于苏格兰。 Our cmpany's new ffice is lcated at the ft f the muntain. 我们公司的新办公室坐落在山脚下。
curius /ˈkjʊəriəs/ adj. 好奇的；求知欲强的
1.The little by lked at the magic bx _________ (curius), wndering what was __________ (curius) made her pen the dr and walk int the rm.3.孩子们总是对自然界的一切事物感到好奇。Children are always _________ _________ everything in nature.
词形变换：curisity n. 好奇心 curiusly adv. 好奇地固定搭配：be curius abut 对……好奇例句：He is such a curius by, always asking questins. 他这个孩子好奇心很强，总是爱提问。 As a child, I’m curius abut the UFO.作为一个小孩，我对不明飞行物感到好奇。
natural /ˈnætʃrəl/ adj. 自然的；天然的；天生的
1._______ (nature) resurces are imprtant and we shuld use them wisely. 2. We shuld try t prtect ______ (natural) and live in harmny with has practiced the pian fr years, s she plays it _________ (natural) in frnt f the audience.
自然的；天然的常见搭配：natural resurces/beauty/envirnment 自然资源/美景/环境 We can enjy the natural beauty in the muntains. 我们可以欣赏大山里的自然美景。天生的；本能的 It’s natural fr peple t wnder and wrry abut pinins f thers. 好奇和在意别人的想法是人的天性。
nature n.大自然naturally adv. 自然地
1.Many kinds f birds spend winter in the _________(suth) part f saw many______(type) f clurful fish swimming happily in the clear stream (nature) resurces are imprtant fr us. And we shuld use them little by was _________(curisity) abut hw the clck wrked, s he tk it apart ________(travel), we shuld remember: When in Rme, d as the Rmans ’s _____(risk) t crss the rad withut lking bth ways first.
Exercise 1: 用括号中所给单词的适当形式填空。
( )1. After the heavy rain, we were surprised t find the little bird in the tree was still ______. A. live B. alive C. lvely D. lively( )2. Zhujiajia is an amazing ancient twn and it ______ millins f turists every year. A. attracts B. develps C. encurages D. takes( )3. Lake Baikal，Lcated in Siberia, Russia, is ne f the wrld's ___lakes. A. mre famus B. mst famus C. famus D. famusest( )4. There are s many ______ f smart phnes in this shp. I really dn’t knw which t buy. A. parts B. types C. sizes D. custmers