人教版（2024）八年级下册（2024）Section B课堂教学ppt课件

这是一份人教版（2024）八年级下册（2024）Section B课堂教学ppt课件，共27页。PPT课件主要包含了Contents，Lead-in，Pratice，Production，Summary，Exercises，Homework，Lead in，large，small等内容，欢迎下载使用。
Presentatin
Language Pints
Learning Objectives
通过本课时的学习，学生能够：
能够梳理本单元中出现的反义词，掌握利用反义词对照的方法理解和记忆单词的策略。(学习理解)
能够掌握“H w + a d j . / a d v .”结构，并学会使用该结构询问数量、频率、速度等。能够结合本单元主题，按照自然奇观、地貌特征、描述性形容词和副词、人类探索自然的活动等语义类别梳理单元话题词汇。(学习理解，应用实践)
能够通过语篇练习词汇，并通过大数字和形容词的比较级别了解贝加尔湖。 ​(迁移创新)
Let’s learn sme ppsite wrds.
belw ↔ abve
cmmn ↔ unusual
dead ↔ living
nrthern ↔ suthern
risky ↔ safe
survive ↔ die
deep ↔ shallw
rise ↔ fall
appear ↔ disappear
harm ↔ prtect
failure ↔ success
remain ↔ change
lastly ↔ firstly
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
1. It is ______ t wait fr the traffic light t turn red, but it is ______ t walk acrss the rad withut lking.
2. Seeing a cat in the street is very _________, but seeing a wild tiger there is _________.
3. The kite is ________ the cluds, and the bridge is _______ the river.
4. Withut sunlight and water, plants cannt ________, they will ______.
5. The _____ f the muntain is cvered with snw, while the ________ is full f green trees.
6. This area has a _________ climate, but its ________ part is much warmer.
7. The temperature is very ______ in winter, but it becmes ______ in summer.
8. The ______ leaves fall t the grund, and _________ plants keep grwing in spring.
Let’s learn sme abut “Hw”.
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?
Hw lng is the Yangtze River?
Hw high is Qmlangma?
Hw deep is the Mariana Trench?
Hw ld is the Lake Baikal?
Hw fast can Jack run?
Hw sn can they get there?
Hw far is it frm yur hme t schl?
Hw heavy is a blue whale?
Hw large is ur cuntry?
Hw ften d yu exercise?
1. ______________________________
2. ______________________________
3. ______________________________
4. ______________________________
5. ______________________________
6. ______________________________
Hw high is Munt Qmlangma?
Hw deep can Fenduzhe dive?
Hw ld is the desert?
Hw fast can the animal run?
Hw sn will yu arrive?
It’s abut 6,300 kilmeters lng.
It’s 8,848.86 meters high.
It can dive t abut 10,909 meters deep.
It’s abut 100 years ld.
They can run as fast as 112 kilmeters per hur.
I will arrive in 10 minutes.
What are the pictures abut?
What d yu knw abut Lake baikal?
They are abut Lake Baikal.
Lk and share
Cmplete the passage with the crrect frms f the wrds in the bx.
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 _______!
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Read and answer
1. Where is Lake Baikal lcated?
2. What kind f lake is Lake Baikal?
It is lcated in Siberia, Russia.
3. Hw deep is Lake Baikal?
4. Hw large is Lake Baikal?
5. What did the text cmpare Lake Baikal with? Why?
6. Why d many travelers visit Lake Baikal?
It is the deepest freshwater lake in the wrld.
It is abut 1,642 meters deep.
It is abut 31,500 square kilmetres in size. / It is larger than Belgium.
It cmpared Lake Baikal with Belgium.Because it wants t shw hw large Lake Baikal is.
Because it is a great natural wnder and it attracts many travelers.
Finish the mind map and try t intrduce Lake Baikal.
1,620metres
31,500square kilmetres
ver 1,200different types f animals
1. Hw far is it frm yur hme t schl? 从你家到学校有多远？
辨析：hw far, hw lng, hw ften与hw sn
2. 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.
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。
3. 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。
4. 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) infrnt 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。
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.
用括号中所给单词的适当形式填空。