资源简介

(共36张PPT)
Period 4 Section B（1a-2c）
1
2
3
4
课前预习
课文导学
重难点梳理
课堂小测
单词 名词（n.）
1.攀登者；登山者 ________ 2.距离；遥远 ________
3.状态；境况 _________ 4.度；度数；程度 _______
5.悬崖；峭壁 _____ 6.死亡；毁灭；破灭 ______
7.同队队员；队友 _________ 8.肩膀；肩部 _________
9.梯子；阶梯；途径 _______
10.好奇心；求知欲 _________
11.追求的目标；野心；雄心 _________
12.探险者；勘探者 ________
13.类型；种类 _____ 14.旅行者；游客 ________
climber
distance
condition
degree
cliff
death
teammate
shoulder
ladder
curiosity
ambition
explorer
type
traveller
单词 动词（v.）
15.生存；存活；艰难度过 ________ 16.测量；量度为 ________
17.使……冒风险（或面临危险） _____
18.吸引；招引；引起（反应） _______
survive
measure
risk
attract
续表
单词 形容词（adj.）
19.位于；坐落在 _______
20.北部的；向北的 _________
21.可能变化的；易变的；常变的 ___________
22.有决心的；坚决的 ___________
23.有危险（或风险）的 ______
24.南部的；向南的 _________
25.淡水的；淡水中生长的 __________
26.好奇的；求知欲强的 ________
27.自然的；天然的；天生的 _______
located
northern
changeable
determined
risky
southern
freshwater
curious
natural
续表
单词 副词（adv.） 28.成功地；顺利地 ___________
29.仅仅；只；简单地 _______
介词（prep.） 30.在（或向）……上面；超过 ______
短语 31.一点一点地；逐渐地 __________
successfully
simply
above
bit by bit
续表
重点句型 32.但只有最优秀的登山者才能到达顶峰，而且前提是他们首先要在恶劣的环境中活下来。
But only the best climbers reach the top,and that is _____ ___ they survive the terrible conditions first.
33.人们说它高得连鸟儿都不能飞上去。
People said it was ____ high _____ even birds could not reach it.
only
if
so
that
续表
重点句型 34.登山者们一点一点地向上攀登，最终成功越过了 “第二台阶”。
Bit by bit,the climbers _______ ___________ ____,and they ______ ___ past the Second Step.
35.为什么人们仍然冒着生命危险去攀登世界最高峰呢？
Why do people still _____ _____ _____ to climb the highest mountain in the world？
pulled
themselves
up
made
it
risk
their
lives
续表
一、读前任务：略读课本P36~P37,1b部分的文本，初步解读。
1. This article mainly tells about the ___________________ and successful climbs of Chinese teams to Mount Qomolangma,as well as the reasons why people keep _________________ to climb this world's highest mountain.
challenging attempts
risking their lives
2. The height of Qomolangma is _______________ in 2020.
8,848.86 metres
二、读中任务：判断正（T）误（F）。
1. Only the best climbers can reach the top of Mount Qomolangma,and they don't need to survive terrible conditions.( )
F
2. Before 1960,no one had ever reached the top of Mount Qomolangma from the northern side.( )
T
3. The Chinese national flag flew above Mount Qomolangma for the first time at 4:20 a.m.on 25 May.( )
T
4. In 1975,the Chinese team brought a ladder to the Second Step to do research.( )
T
5. People risk their lives to climb Mount Qomolangma only because of human curiosity and ambition.( )
F
三、读后任务：根据课本 1b的内容，请从方框内选择适当的词并用其正确形式填空，使文章完整、连贯。注意每空一词，每词仅用一次，有两词为多余项。
change for can however gradual high because curious determine condition another others
Mount Qomolangma is one of the world's most amazing wonders. Standing on its peak, you'll feel close to the sky.1._________, only top climbers can reach the summit, and they must first survive the awful 2.__________.The mountain has low temperatures, thin air, steep cliffs, and 3.___________ weather.#2
However
conditions
changeable
Before 1960, no one had climbed to the top from the northern side, which was once called “Death Road”.But a Chinese team was 4.___________ to make the attempt. On 24 May 1960, climbers Liu Lianman, Wang Fuzhou, Qu Yinhua, and Gong Bu got to the Second Step.#3
determined
change for can however gradual high because curious determine condition another others
It was 8,600 metres above sea level, so high that even birds 5.________ get there. Liu let his teammates step on his shoulders.6.__________, the climbers pulled themselves up and passed the Second Step. At 4:20 a.m. on 25 May, the Chinese national flag was flown on the world's highest mountain 7.____ the first time.#3
couldn't
Gradually
for
change for can however gradual high because curious determine condition another others
In 1975, 8.________ Chinese team climbed to the top to do research. They brought a ladder to the Second Step. Until 2007, most climbers from the northern side used this “Chinese Ladder” to climb faster. In 2020, a third team went back to measure its 9._______ —8,848.86 metres.#4
another
height
change for can however gradual high because curious determine condition another others
Climbing Qomolangma remains dangerous. Some climbers succeed, while many fail. Why do people still risk their lives to climb it It's because human 10._________ and ambition are unstoppable. As explorer George Mallory said, it's just “because it's there”!#5
curiosity
change for can however gradual high because curious determine condition another others
重点知识积累（汉译英）
1. 陡峭的悬崖 ___________
2. 进行尝试 ________________
steep cliffs
make the attempt
1.But only the best climbers reach the top,and that is only if they survive the terrible conditions first.但只有最优秀的登山者才能到达顶峰，而且前提是他们首先要在恶劣的环境中活下来。（P36,1b）
知识探究
only if引导 ______状语从句，表示“ __________________________”或“ ____________”。它引出的条件是一个强制性、排他性的先决条件。意思是要想让主句的情况发生，必须且只能满足only if后面的这个条件。语气比if强烈得多。其基本结构为：主句+only if+条件从句。
条件
只有在……的条件下才……
唯有当……
即学即练
（1）You tell me the truth. I will forgive you.（合为一句）
____________________________________________
（2）唯有共同努力，我们才能解决这个问题。（汉译英）
________________________________________________
I will forgive you only if you tell me the truth.
We can solve this problem only if we work together.
拓展提升
only if 引导的从句如果放在句首，主句需要进行 ______。这是一种表示强调的正式句式。倒装规则：将主句中的助动词、情态动词或be动词提到主语 ______。
only if和if only的区分：
倒装
之前
含义 句型 语气
only if 只有在……的条件下才……（强调条件） 引导条件状语从句 客观、强制
if only 要是……就好了（表示强烈的愿望或遗憾，相当于 I wish …） 引导虚拟语气从句 主观、感叹、惋惜
活学活用
（1）I will call you only if there's an emergency.（改为同义句）
_________________________________________
Only if there's an emergency, will I call you.
（2）________ you promise not to tell anyone else,will I tell you the secret.( )
A
A.Only if B.If only C.Unless D.If
（3）________ you had called me,I would have come to help you immediately.( )
B
A.Only if B.If only C.If D.Unless
2.Climbers must also deal with thin air,high cliffs,and changeable weather.登山者们还必须应对稀薄的空气、陡峭的悬崖和变化无常的天气。（P36,1b）
知识探究
deal with意为“ ____________”， 指处理一个问题或应对一种情况/人。
处理，应对
即学即练
这个问题太复杂了，我一个人应付不了。（汉译英）
___________________________________________________________
This problem is too complicated for me to deal with on my own.
3.Bit by bit,the climbers pulled themselves up,and they made it past the Second Step.登山者们一点一点地向上攀登，最终成功越过了 “第二台阶”。（P36,1b）
知识探究
bit by bit表示“ ____________________”， 在句中作状语，强调过程的缓慢和艰难。同义表达有：little by little,gradually,step by step。
make it意为“ ______________”，蕴含着经过努力和挑战后最终取得胜利的意味。make it 后面常接介词to或past，表示“ __________________________”。
一点一点地，逐渐地
成功做成某事
成功到达某地或越过某障碍
即学即练
（1）She saved money __________ until she could afford a new bike.
（2）After several attempts,he finally ________ to the final round of the competition.
（3）We're hoping to ___________ the summit before sunset.
（4）The hiker was exhausted but managed to ____________ the difficult section of the trail.
bit by bit
made it
make it to
make it past
4.Why do people still risk their lives to climb the highest mountain in the world 为什么人们仍然冒着生命危险去攀登世界最高峰呢？（P37,1b）
知识探究
risk one's life意为“ ______________”，risk后面可直接跟 ______、 ______或 _________。risk it表示“ ______________________________”， 通常指在没有详细计划或不知道结果的情况下冒险。
risk作名词时，常见固定搭配有：take a risk/risks冒险，at risk处于危险中，at the risk of doing sth.冒着做某事的风险
冒着生命危险
名词
代词
动词-ing
豁出去了，碰碰运气，冒险一试
即学即练
（1）She didn't want to ___________（lose） her job.
（2）It's raining. I think we should _______（it） and have the picnic anyway.
（3）我冒昧地问一下，你多大了？（汉译英）
____________________________________________
risk losing
risk it
At the risk of sounding rude, how old are you
5.Or,as the English explorer George Mallory put it,it is simply “because it's there”!或者，正如英国探险家乔治·马洛里所言，理由很简单：“因为山就在那里！”（P37,1b）
知识探究
“as … put it,…”是一个非常地道的引述句型，用于引用名人名言、他人言论等,意思是“ __________________”。as在这里是连词，引导 ______状语从句，从句中常用“主语+put it”的结构，动词 put 在这里不是“放置”，而是“ ____________”的意思。
正如……所说/所言
方式
表达，表述
即学即练
（1）As my coach always _______,“Failure is not the opposite of success; it's part of it.”
puts it
（2）Steve Jobs once said,“Stay hungry,stay foolish.”（用 “as … put it” 结构改写）
____________________________________________
As Steve Jobs put it,“Stay hungry, stay foolish.”
一、用方框中所给单词的适当形式填空。
survive curiosity attract change success
1. She was ________ about the strange noise outside,so she went to investigate.
2. The team ___________ completed the mission despite the difficult weather.
3. The weather in the mountains is highly ___________,so climbers must be prepared for sudden storms.
curious
successfully
changeable
4. Many animals cannot ________ in extremely cold environments without special adaptations.
5. The Great Barrier Reef _______ millions of tourists each year because of its beautiful coral and marine life.
survive
attracts
survive curiosity attract change success
二、单项选择。
1. We should protect the ________ environment.( )
B
A.nature B.natural C.naturally D.natures
2. The climbers ________
their lives to save the trapped hiker.( )
A
A.risked B.measured C.attracted D.survived
3. ________ you practice speaking English every day,will you improve quickly.( )
B
A.If only B.Only if C.Unless D.Whether
4. He finally ________
becoming a doctor after years of hard study.( )
A
A.made it B.risked it C.put it D.dealt with it
5. As my grandmother ________,“A friend in need is a friend indeed.”( )
B
A.said it B.put it C.told it D.spoke it
三、根据汉语意思完成句子。
1. 他成功应对了所有的困难。
He ______ _____ all the difficulties successfully.
2. 她终于成功到达了山顶。
She ______ ___ ___ the top of the mountain finally.
3. 这座山如此高，以至于我们很难攀登。
The mountain is ____ _____ _____ we can hardly climb it.
dealt
with
made
it
to
so
high
that
4. 我们应该保护自然界的奇观。
We should protect ____ _________ ___ ____ _______ ______.
5. 他们一点一点地完成了这项艰巨的任务。
They finished the hard task ____ ____ ____.
the
wonders
of
the
natural
world
bit
by
bit
感谢聆听(共15张PPT)
单元主题：自然奇观
子主题：大自然的奇妙，保护生态环境
单元学习目标：1.语言知识：掌握本单元单词、短语和语法，以及大数字的表达和形容词、副词最高级的用法。
2.语言技能：学会介绍自然奇观。
3.学习策略：学习运用数字，形容词和副词的最高级描述自然奇观。
4.文化知识：探索大自然的奇妙之处，保护生态环境。
Period 1 Section A（1a-2d）
1
2
3
课前预习
重难点梳理
课堂小测
单词 名词（n.）
1.数量；测量____________ 2.高度；水平；程度______
3.表面；表层_______ 4.深（度）；纵深______
5.大船；轮船_______ 6.底部；最下部_______
动词（v.）
7.潜水；跳水；俯冲_____ 8.研究；调查________
形容词（adj.）
9.特别的；不寻常的________
介词（prep.）
10.在（或到）……下面；少于；低于_______
measurement
level
surface
depth
vessel
bottom
dive
research
unusual
below
短语 11.平方千米________________
重点句型 12.地球上最低的地方是哪里？
What's ____ _______ place on earth
13.它有多低
______ _____ is it
square kilometre
the
lowest
How
low
续表
1.In 2020,China's Fendouzhe dived into the deep sea and filmed it.2020年，中国的“奋斗者”号潜水器潜入深海并进行了拍摄。（P33,2c）
知识探究
dive into意为“ ______”，它也有比喻用法，表示“ ______________”。
潜入
投入，投身于
即学即练
（1）那只海豚潜入深水中去寻找食物。
The dolphin ______ _____ the deep water to look for food.
dived
into
（2）The scientist spent his whole life ________the secrets of the universe.( )
C
A.diving in B.dipping into C.diving into D.diving at
拓展提升
易混词组辨析
词组 含义 区别
dive into 投入；潜入 强调开始投入的动作，后可接宾语
dive in 直接开始做某事 不及物，后面不接宾语
immerse in 沉浸于；专注于 强调深度投入的状态,程度比 dive into 更深、更持续
活学活用
（1）The project seems complicated,but we have to ________ and get it done.
（2）He __________ his pocket and pulled out a beautiful shell.
（3）To truly learn a language,you should ___________ the culture of that country.
dive in
dived into
immerse in
2.There is rubbish even at 11,000 metres deep.即使在 11,000 米深的地方也有垃圾。（P33,2c）
知识探究
rubbish为 ________名词，所以be动词使用单数形式。如果有多个名词时，There be句型采取 __________，be动词的形式由最靠近它的名词的数决定。
不可数
就近原则
即学即练
（1）There ____（be） two cats and a dog under the tree.
（2）There ___（be） some bread on the plate,but there ______（be not） any eggs.
are
is
aren't
一、根据句意及首字母或汉语提示填空。
1. The s _______ of the lake is very calm today.
2. The d _____ of this river is about 10 metres.
3. We did some r ________ on the local plants.
4. There is a big _______（轮船） in the harbor.
5. It's an ________（不寻常的） experience to see such a rare animal.
urface
epth
esearch
vessel
unusual
二、用括号内所给单词的适当形式填空。
1. The Nile River is one of the _______（long） rivers in the world.
2. Some fish can ____（see） in the dark because they have special eyes.
3. The Titanic _____（rest） at the bottom of the Atlantic Ocean.
4. The mountain is still ________（grow） taller every year.
5. We should _______（protect） the ocean from pollution.
longest
see
rests
growing
protect
三、情景对话。
A.What's that B.How deep is it
C.Have you ever been there D.That's amazing!
E.Is it dangerous F.Where is it
A:Look at this picture.1. ___
B:It's the Grand Canyon.
A:2. ___
B:It's in the United States.
A:3. ___
A
F
B
B:It's about 1.6 kilometres deep.
A:4. ___ I want to visit it one day.
B:Me too.5. ___
A:No,I haven't. But I hope to go there.#10
D
C
A.What's that B.How deep is it
C.Have you ever been there D.That's amazing!
E.Is it dangerous F.Where is it
感谢聆听(共15张PPT)
Period 3 Grammar Focus（4a-4d）
1
2
单元语法讲练
课堂小测
一、形容词和副词的最高级的构成
构成方式 例词
规则变化 单音节词和部分双音节词 一般情况下，在原词后加-est quick→quickest
fast→fastest
以不发音字母e结尾的单音节词在原词后加-st late→latest
large→largest
以辅音字母加y结尾的双音节词,变y为i,再加-est heavy→heaviest
early→earliest
构成方式 例词
规则变化 单音节词和部分双音节词 重读闭音节结尾的词，要双写末尾的辅音字母,再加-est fat→fattest
thin→thinnest
部分双音节与多音节词 在原词前面加most careful→most careful
quickly→most quickly
续表
构成方式 例词
常见不规则变化 good/well→best
bad/badly/ill→worst
many/much→most
little→least
far→farthest/furthest
old→oldest/eldest
续表
二、形容词和副词的最高级的用法
句式结构 含义 例句
主语+ be动词+the+形容词最高级+表示范围的短语（in/of …） 表示“在……范围内是最……的”，用于三者或以上比较。 The Great Wall is the longest wall in the world.长城是世界上最长的城墙。
the+序数词+形容词最高级+表示范围的短语 表示 “第几…… 的” The Yellow River is the second longest river in China.黄河是中国第二长的河流。
句式结构 含义 例句
动词 +（the）+副词最高级+表示范围的短语（in/of …） 表示“在……范围内最……地”，用于三者或以上比较。副词前的the可省略。 He runs （the） fastest in his class.他在他的班级里跑得最快。
续表
句式结构 含义 例句
one of+the+形容词最高级+可数名词复数+表示范围的短语 表示 “…… 是……（范围内）最…… 的…… 之一” Mount Qomolangma is one of the highest mountains in the world.珠穆朗玛峰是世界上最高的山峰之一。
续表
句式结构 含义 例句
the+形容词最高级+名词+that+从句（从句用现在完成时） 表示 “…… 是……（迄今为止）最…… 的……” This is the best book that I have ever read.这是我读过的最好的书。
续表
三、大数字的表达
1.英语中大数字的表达核心在于 “三位一分”（从右往左，每三位加一个逗号），并且每个“逗号”都有一个特定的名称。
第一个逗号→ thousand
第二个逗号→ million
第三个逗号→ billion
2.读法规则：
分节朗读：按逗号分成的节，从左到右依次读出每节的三位数，再加上该节的单位（billion,million,thousand）。
百位与十位：节内百位和十位（或个位）之间通常用and连接（英式英语更常用）。十位和个位之间用连字符“-”连接。
一、单项选择。
1. Mount Qomolangma is ________ mountain in the world.( )
D
A.high B.higher C.highest D.the highest
2. This is ________ book I have ever read.( )
D
A.interesting B.more interesting
C.most interesting D.the most interesting
3. The Amazon River is one of the ________ rivers in the world.( )
C
A.long B.longer C.longest D.most long
4. She sings ________ of all the students.( )
B
A.the most beautiful
B.the most beautifully
C.more beautifully
D.beautifully
5. Which number is read as “nine million,three hundred thousand” ( )
A
A.9,300,000 B.9,030,000 C.9,003,000 D.9,000,300
二、按要求完成句子。
1. The river is 6,300 kilometres long.（对画线部分提问）
______ _____ is the river
How
long
2. Mount Qomolangma is the highest mountain in the world.（改为一般疑问句）
___ Mount Qomolangma the highest mountain in the world
Is
3. The ocean has an area of approximately one hundred and sixty-five million two hundred thousand square kilometres.（用阿拉伯数字写出画线部分）
The ocean has an area of approximately ____________ square kilometres.
165,200,000
4. She runs fast in her class.（改为最高级）
She runs ______________ in her class.
5. This is an old building.（改为最高级）
This is ____ ______ building.
（the） fastest
the
oldest
感谢聆听(共10张PPT)
Unit 4 Reading Plus
1
2
3
重点短语
重点句型赏析
课文理解
1.spread across 蔓延
2.in size 在大小上
3.just what it sounds like 正如它听起来那样
4.all year round 一年到头，全年
5.adapt to 适应……
6.take effective measures 采取有效措施
1.This means that it is one of the oldest places in the world.这意味着它是世界上最古老的地方之一。
“mean that …” 引导宾语从句，用于解释前文提到的撒哈拉沙漠至少有 460 万年历史这一情况所带来的结果，即它是世界上最古老的地方之一。
2.When they do find water,they can drink more than 100 litres of it in 13 minutes! 当它们（真的）找到水时，它们能在13分钟内喝下超过100升的水！
这里的 do是助动词，用于强调动词find，起到了加强语气的作用，突出了骆驼找到水后饮水能力的惊人。
3.If we do not take effective measures to stop climate change,the desert will keep growing! 如果我们不采取有效措施来阻止气候变化，沙漠将会持续扩大！
这是一个条件状语从句，if引导的条件 “不采取有效措施阻止气候变化”，引出 “沙漠将继续扩大” 的结果，强调了采取行动应对气候变化的重要性，增强了文章的警示性和说服力。
（一）认真阅读课本P86的内容，完成下列题目。
【泛读】请快速阅读课本，回答第1~3小题。
1. How much of Africa does the Sahara Desert cover ( )
B
A.About 10 per cent. B.About 30 per cent.
C.About 50 per cent. D.About 90 per cent.
2. According to the passage,which of the following is TRUE about deserts ( )
B
A.All deserts are hot and dry. B.Antarctica is a cold desert.
C.All deserts have sand seas. D.Deserts cannot have any life.
3. Why do Fennec foxes have large ears ( )
C
A.To help them run faster.
B.To hear prey better underground.
C.To help their bodies stay cool.
D.To scare away predators.
【精读】请仔细阅读课本，回答第4~5小题。
4. Which is the correct structure of the passage ( )
D
A.&1& B.&2& C.&3& D.&4&
5. What is the author's main purpose in writing the last paragraph ( )
C
A.To describe how big the Sahara is.
B.To explain how camels find water.
C.To warn about the effects of climate change and call for action.
D.To list all the animals that live in the desert.
（二）根据课本P86的内容，完成下面表格。
The Sahara Desert Size 1._______________ square kilometres
Age at least 2.___________ years old
Type the largest 3.____ desert in the world
A special feature Some areas are 4.__________,which look like a sea of sand when the wind blows.
A reason for its growth 5.______________
about 9 million
4.6 million
hot
sand seas
climate change
感谢聆听(共19张PPT)
Period 2 Section A（3a-3d）
1
2
3
4
课前预习
课文导学
重难点梳理
课堂小测
单词 名词（n.）
1.瀑布_________ 2.文明___________
3.方式；途径_______ 4.发展；壮大____________
5.沙漠；荒原______
重点句型 6.那是中国最长的河流吗？
Is that ____ _______ ______ in China
7.尼罗河和黄河都助力了古代文明的发展。
Both the Nile and the Yellow River helped _______ ___________ to develop.
waterfall
civilization
means
development
desert
the
longest
river
ancient
civilizations
一、回答问题。
阅读课本3a的对话，回答第1~5题。
1. What did Ella see
______________________________________________
2. Which is the longest river in China and how long is it
__________________________________________________
3. How long is the Yellow River
________________________
She saw the Hukou Waterfall on the Yellow River.
It's Yangtze River and it's about 6,300 kilometres long.
It's 5,464 kilometres long.
4. Which is the longest river in Africa
__________
5. What do we call the Yellow River in China
________________________
The Nile.
We call it “mother river”.
二、询问信息。
你希望了解更多关于中国自然景观的信息。请根据以下提示向亚明提两个问题。
1. 中国最大的瀑布是哪个
____________________________________
2. 中国最深的峡谷是哪个
____________________________________
Which is the largest waterfall in China
Which is the deepest canyon in China
1.By the way,do you know why it's called the Yellow River 顺便问一下，你知道它为什么被称为黄河吗？（P34,3a）
知识探究
by the way意为“ ____________”，常用于转换话题或补充说明。
“Do you know why … ”意为“你知道为什么……吗 ”，疑问词后面的部分必须使用 ________的语序，而不能使用一般疑问句的倒装语序，结构为“Do you know+疑问词+ __________的句子 ”。
顺便说一下
陈述句
陈述语序
即学即练
（1）—The movie was fantastic!
—It was! ________,did you see the preview for the new Marvel film ( )
C
A.As a result B.Anyway C.By the way D.For instance
（2）你知道为什么它被称为“光之城”吗 （汉译英）
______________________________________________
Do you know why it's called “The City of Light”
2.Yes,it's 6,671 kilometres long.是的，它长6,671千米。（P34,3a）
知识探究
“主语+be动词+数字+单位（metres/kilometres/ … ）+long/wide/high/ …”可以用来描述物体的 ______、 ______或 ______等。当数字大于1时，单位要用 ______形式。
长度
宽度
高度
复数
即学即练
（1）The mountain is over ________.It's the highest peak in the region.( )
A
A.3,000 metres high B.high 3,000 metres
C.3,000-metres-high D.3,000 metre high
（2）The length of the road is 20 kilometres.（改为同义句）
The road ___ ____ __________ _____.
is
20
kilometres
long
3.What's the biggest desert in China 中国最大的沙漠是什么 （P34,3d）
知识探究
desert既可作名词又可作动词。作名词时，发音为/ dez t/，意为“ ______”；作动词时，发音为/d z t/，意为“抛弃 ”。两者易混淆，需注意区分。
沙漠
即学即练
（1）He promised never to desert her. desert的词性： ___ 含义： ______
（2）The plants can survive in the desert. desert的词性： ___ 含义： ______
v.
抛弃
n.
沙漠
一、用方框中所给单词的适当形式填空。
ancient civil long desert wide
1. The ______ is very dry and hot.
2. The _______ history of China attracts many foreigners.
3. The canyon is over a mile ______ in some places.
4. The ancient ___________ of Mesopotamia was very advanced.
5. The Great Wall is the _______ wall in the world.
desert
ancient
wide
civilization
longest
二、根据汉语意思完成句子。
1. 这条新隧道长3公里。
The new tunnel is ___ __________ _____.
2. 他们发现了一个被遗弃的村庄。
They found a ________ _______.
3. 顺便问一下，你知道世界上最宽的河流是哪一条吗？
____ ____ _____,do you know which river is the widest in the world
3
kilometres
long
deserted
village
By
the
way
4. 我们应该用各种方式保护我们的地球。
We should protect our earth ____ ____ _______.
5. 黄河被称为中华文明的摇篮。
The Yellow River ___ ______ the cradle of Chinese civilization.
by
all
means
is
called
三、分角色认真朗读P34,3a部分的对话，请从方框内选择适当的词并用其正确形式填空，使文章完整、连贯。注意每空一词，每词仅用一次，有两词为多余项。
long affection two the when by history both flow civil play all
Yaming and Ella are talking about rivers around the world. The Yangtze River is the longest river in China, 1.________ for about 6,300 kilometres.#2
flowing
The Yellow River is the 2._______ longest river in China, with a 3._______ of 5,464 kilometres.4.______ Ella shared that the Nile River is the longest river in Africa, Yaming agreed and added that it 5.____________ a key role in Egyptian history.#2
second
length
When
played/plays
long affection two the when by history both flow civil play all
Indeed, 6._____ the Nile and the Yellow River helped ancient 7.___________ to develop by providing water and fertile soil. In China, the Yellow River is 8._____________ called our “mother river” because of its 9._________ and cultural importance. It is crucial that we protect these rivers 10.____ all means because they remain very important for people, agriculture, and the environment today.#2
both
civilizations
affectionately
historical
by
long affection two the when by history both flow civil play all
重点知识积累（填空）
because意为“因为”，引导 ______状语从句，回答 _____引导的疑问句，但与 ____不能连用。
原因
why
so
感谢聆听(共19张PPT)
Period 5 Section B（3a-4c）
1
2
课前预习
读写结合
本单元的主题是“大自然的奇观”，以谈论自然界的著名景观为话题，围绕这一话题，引导学生掌握大数字的表达，形容词和副词最高级的构成及用法。
A.回答问题。
The Northern Lights,also known as the Aurora Borealis,are one of nature's most amazing sights. They can be seen in the northern parts of the world,especially in countries like Norway,Sweden,Finland,and Canada.
These beautiful lights appear in the night sky in various colours,such as green,pink,yellow,and purple. They dance and move across the sky,creating wonderful patterns. The lights are caused by
charged particles from the sun colliding with gas particles in the Earth's atmosphere.
The best time to see the Northern Lights is during the winter months when the nights are long and dark. Many people travel to northern regions just to witness this magical phenomenon. It's a once-in-a-lifetime experience for many,as the lights seem to bring a sense of wonder and peace.#1.2
1. What are the Northern Lights also called
___________________________________________________
The Northern Lights are also called the Aurora Borealis.
2. In which countries can the Northern Lights usually be seen
___________________________________________________________________________
They can usually be seen in countries like Norway, Sweden, Finland, and Canada.
3. What colours do the Northern Lights appear in
_______________________________________________________________________
The Northern Lights appear in colours such as green, pink, yellow, and purple.
4. What causes the Northern Lights
______________________________________________________________________________________________
They are caused by charged particles from the sun colliding with gas particles in the Earth's atmosphere.
5. When is the best time to see the Northern Lights
_______________________________________________________________
The best time to see the Northern Lights is during the winter months.
重点知识积累（填空）
1. be known as意为“ ________”， 这是一个非常常用的介绍别名或别称的短语。
2. especially in …意为“ ______________”，表示强调。
3. collide with … 意为“ ____________”。
4. witness sth.意为“ ______________”。
5. the best time to do sth.意为“ __________________”。
被称为
尤其是在……
与……相撞
目睹/见证某事
做某事的最佳时间
6. as也可以引导 ______________从句，可指代整个主句的内容 ，对主句所表达的内容起补充说明、解释的作用，相当于一个插入语。位于句首时，可译为“ ____________”，常见搭配有：as we know（正如我们所知）、as is known to all（众所周知）、as is often the case（情况常常如此）等。
非限制性定语
正如，正像
B.书面表达。
假设你是李华，你的外国朋友 Tom 对自然界的奇观很感兴趣。请你给他写一封信向他介绍一处你喜欢的自然界奇观。
注意：
1.语言通顺，意思连贯，可适当发挥；
2.80词左右（开头和结尾已给出，不计入总词数）。
思路点拨
第一步：审题。
体裁 ______ 人称 __________ 时态 ____________
书信
第三人称
一般现在时
第二步：列提纲。
短语
（1）奔泻而下 ___________
（2）大量水雾 _____________
（3）一个……的好地方 __________________
rush down
a lot of mist
a great place to …
单句仿写
（1）so … that … 如此；以至于
【例句】The movie was so interesting that I watched it twice.
这部电影如此有趣，以至于我看了两遍。
【仿写】瀑布的声音如此之大，以至于你在很远的地方都能听见。
_____________________________________________________________________
The sound of the water fall is so loud that you can hear it from far away.
（2）which引导非限制性定语从句
【例句】The town is famous for its hot springs,which attract thousands of visitors every year.
这个小镇以其温泉而闻名，这些温泉每年吸引着成千上万的游客。
【仿写】瀑布产生大量的水雾，这（种情况）即使在夏天也会让你感到凉爽。
________________________________________________________________________
The waterfall creates a lot of mist, which makes you feel cool even in summer.
（3）the combination of A and B A与B的结合
【例句】The combination of hard work and good methods is the key to success.
勤奋与好方法的结合是成功的关键。
【仿写】瀑布的流水和周围的绿树相互映衬，就像一幅画。
_____________________________________________________________________________
The combination of the falling water and the surrounding green trees is like a picture.
（4）It is+adj.+to do sth.
【例句】It is important to protect the environment.
保护环境是很重要的。
【仿写】这是一个体验大自然力量的好地方。
__________________________________________
It's a great place to experience nature's power.
第三步：巧衔接。
把列出的提纲用连词连在一起，并用最高级等修饰句子。
第四步：检查修改，完成短文。
Dear Tom,
How are you doing I'm writing to tell you about a wonderful natural wonder — ______________________
______________________________________________________________
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Huangguoshu Waterfall.
Huangguoshu Waterfall is located in Guizhou Province, China. It is one of the largest waterfalls in Asia. When you stand near the waterfall, you can see the water rushing down from a high place. The sound of the water is so loud that you can hear it from far away. The waterfall creates a lot of mist, which makes you feel cool even in summer.
______________________________________________________________
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
If you have a chance to come to China,don't miss it!
Yours,
Li Hua
There are many reasons to visit Huangguoshu Waterfall. First, its beauty is truly amazing. The combination of the falling water and the surrounding green trees is like a picture. Second, it's a great place to experience nature's power. You can also take many beautiful photos there.
感谢聆听

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