外研版（2024）七年级下册（2024）Understanding ideas一等奖ppt课件

这是一份外研版（2024）七年级下册（2024）Understanding ideas一等奖ppt课件，共41页。PPT课件主要包含了比较级，最高级，landscape ，guide ，designer ，common ，local ，形容词比较级规则变化，副词比较级规则变化，shorter等内容，欢迎下载使用。
Watch and Say
Watch the vide. What wrds are repeatedly said?
small smaller smallest
big bigger biggest
原级用来描述一个/类人或事物，不表示比较；比较级表示两个/类人或事物之间的比较；最高级表示三个/类或以上人或事物之间的比较。
cmparatives
superlatives
(a) It is famus fr the wrld’s highest muntain.(b) But this area is als full f the mst amazing clurs in nature.(c) The plateau is quieter than the big cities.
Read the sentences frm the reading passage and summarise the grammar rules.
Nw find mre sentences with these structures in the reading passage.
superlative frms
cmparative frm
E.g. We have fewer restaurant and shps.
In my heart, it’s better than any ther place.
I’m prud t say that I’m frm ne f the mst beautifulplaces in the wrld.
cmparative frms
superlative frm
一、从方框中选择适当的词并用其正确形式填空1. Many visitrs travel t Guilin because f its fantastic __________.2. Our teacher gave us a ________ t hiking last week.
cmmn, landscape, guide, design, lcal
3. The rm lks beautiful because the ________ used bright clurs.4. Such cld weather is ________ in January in Beijing.5. We went t the museum and saw sme ld ________ tls.
The plateau is quieter than the big cities.In my heart, it’s better than any ther place.
从例句中可以看出，在对两者进行比较时，形容词（或副词）要用比较级形式，即“形容词(或副词）比较级+than+比较的对象”。
E.g. Summer is a htter seasn than spring.
Tim is a taller by than my sn.
It is famus fr the wrld’s highest muntain.I’m prud t say that I’m frm ne f the mst beautifulplaces in the wrld.
我们要将三个或三个以上的事物进行比较时，要用形容词（或副词）的最高级形式来表达，即“the+形容词（或副词）的最高级+比较的范围”。
E.g. He is the tallest in ur class.
She lives (the) clsest t schl f all my classmates.
Tip： 形容词最高级前一定要加the，副词最高级前的the可省略。
形容词和副词的比较级的变化规则
形容词和副词的比较级变化有一定规律，分为规则变化和不规则变化两种，并且形容词和副词变化规律大致相同。
有些形容词和副词不规则的比较级形式：
形容词和副词最高级的规则变化
常见形容词和副词最高级不规则变化：
Cmplete the facts abut wnders in China.
The Yellw River: 5,464 kmThe Yangtze River: 6,300 km
Munt Taishan: 1,532.7mMunt Emei: 3,079.3mMunt Qmlangma: 8,848.86 m
The Yellw River is than the Yangtze River.
Munt Taishan is high. MuntEmei is . Munt Qmlangma is the .
In Zhejiang prvince, there’s a famus natural wnder with amazing tides（潮水）. D yu knw what it is?
Qiantang River Tides
Cmplete the passage with the crrect frm f the wrds in brackets.
The Qiantang River is 1._________(shrt) than the Yangtze r Yellw rivers. But it’s still ne f the 2._________ (famus) rivers in China.It’s famus fr its tides.Usually it’s a 3._________(slw) river. But when the tides cme, the water runs much 4._________(fast). Many tides are tw metres 5._________(high). But the 6._________(high) tides can be ten metres high!
二、根据汉语意思完成句子6. 这条河流经村庄, 为农民提供水源。The river ________ ________ the village, prviding water fr the farmers.
runs thrugh
7. 我们的老师昨天在课堂上让我们每个人描述一个自己的朋友。Yesterday in class, ur teacher asked each f us ________ ________ ne f ur friends.
t describe
8. 这个年轻的警卫为能报效国家而骄傲。The yung guard ________ ________ ________ serve his cuntry.
was prud t
9. 当我走进房间时, 一幅美丽的画作映入眼帘。When I walked int the rm, a beautiful painting ________ ________ ________.
met my eyes
10. 这个决定可能会使一些人感到不快, 但我们不得不做出这样的决定。This decisin _______ ________ _______ ________ sme peple unhappy, but we will have t make it.
is likely t make
Wrk in pairs. Talk abut the mst beautiful natural place in yur pinin. Use the wrds and expressins frm the reading passage and the Useful expressins t help yu.
The mst beautifulnatural place
Useful expressinsIn my pinin, the mst beautiful place in my pinin is is famus is can’t express my lve is ne f ... in the wrld.
三、阅读理解 Hw much d yu knw abut Qinghai-Tibet Plateau? The weather there changes a lt. Yu can experience “fur seasns” in just ne day. What wuld it be like?
“Spring” mrningThe Qinghai-Tibet Plateau is at a high altitude (海 拔). In the early mrning, it’s cl. There is a breeze (微 风). After the sunrise, it becmes warmer, like spring. It’s a gd time t take a walk.
“Summer” nnAt nn, it’s sunny and ht. Yu may feel like it’s summer. The sunlight is s strng that yu may want t wear sunglasses. Smetimes, it rains. Hwever, it desn’t rain fr lng. If yu are lucky enugh, yu can see rainbws.
“Autumn” afternnIn the afternn, the temperature ges dwn quickly, especially after sunset. It’s cl, just like in autumn. Peple have t put n warm clthes.
“Winter” nightBut later at night, it gets cld, like in winter. Peple usually g t bed with a thick quilt (被子). The rainy seasn is frm June t September each year. It ften rains at night.
( )11. What is the weather like n the Qinghai-Tibet Plateau in the early mrning?A. It is sunny and ht. B. It is rainy and cld.C. It is cl with a breeze. D. It is snwy and windy.
【点拨】细节理解题。根据“In the early mrning, it’s cl. There is a breeze.”可知, 青藏高原早晨凉爽且有微风, 故选C。
( )12. When can yu see rainbws n the Qinghai-Tibet Plateau?A. In the early mrning after sunrise. B. At a sunny nn after the rain.C. In the afternn when it’s cld. D. At a ht night after the rain.
【点拨】细节理解题。根据“At nn, it’s sunny and , it rains. Hwever, it desn’t rain fr lng. If yu are lucky enugh, yu can see rainbws.”可知, 在晴天的中午下雨后可能看到彩虹, 故选B。
( )13. 跨学科数学 Which picture tells the change f temperature in a day n the Qinghai-Tibet Plateau?
【点拨】细节理解题。根据文章可知, 青藏高原早晨凉爽, 中午炎热, 下午凉爽, 晚上寒冷。D 选项的温度变化曲线符合。故选D。
( )14. What d yu have t knw if yu want t g t the Qinghai -Tibet Plateau?A. It is best t wear winter clthes all day.B. The weather there is very ht in the day time.C. Peple shuld prepare fr different seasns in ne day.D. It’s ht and dry in August every year.
【点拨】推理判断题。根据“Yu can experience ‘fur seasns’ in just ne day.”可知, 在青藏高原一天能体验到四季变化, 所以要为一天中的不同“季节”做准备, 故选C。
四、任务型阅读 Chaka Salt Lake lies in Qinghai Prvince, China. It is rich in salt with a heavy salt bed clse t the lake surface. That makes the lake the main surce (主要来源) f salt in China. When the weather is nice, the lake reflects (映出) the blue sky beautifully. That is why peple call it the “sky mirrr”.
Because f its wnderful views, peple see the lake as ne f the “must-g” places in China. The beautiful sunrise and sunset views are the mst amazing. Every July, a great number f visitrs cme t Chaka Salt Lake. And the situatin usually lasts until the end f August, because they just dn ’t want t miss the best time t g there. It is believed that with the summer breeze (微风), breathing in the salty air is especially gd f r the lungs.
Traveling t such a beautiful wrld f salt with snw muntains and green grass arund, yu will feel like yu are in a wnder land. If yu have a chance, ________?
15. Where is Chaka Salt Lake?__________________________________________
It’s in Qinghai Prvince./It lies in Qinghai Prvince.
16. Why d peple call Chaka Salt Lake the “sky mirrr”?_____________________________________________
Because it reflects the blue sky beautifully.
17. What are the mst amazing views f Chaka Salt Lake?____________________________________________
The sunrise and sunset views.
18. When is the best time t visit Chaka Salt Lake?__________________________________________
Frm July t the end f August.