资源简介

(共26张PPT)
Unit 4 The Wonders of Nature
Section A(1a---2b)
Angel Falls
Nile River
Sahara Desert
世界最长河流（约 6650 千米），流经 11 个非洲国家，孕育了古埃及文明，是非洲重要的水源与农业命脉。
位于委内瑞拉，是世界最高的不间断自由落体瀑布，总高 979 米，主落差 807 米，藏于圭亚那高原雨林中。
世界最大的热带沙漠，横跨北非 11 国，总面积约 932 万平方千米，地貌以沙丘、戈壁、绿洲为主，气候极端干旱。
尼罗河
安赫尔瀑布(天使瀑布)
撒哈拉沙漠
Mount Qomolangma
Dead Sea
Mariana Trench
位于西北太平洋，是全球最深的海沟，最深处挑战者深渊约 10994 米，是板块俯冲形成的深海洼地。
位于以色列、约旦、巴勒斯坦交界处的内陆盐湖，湖面海拔约 - 430.5 米（世界陆地最低点），盐度极高，人可轻松漂浮。
喜马拉雅山脉主峰，世界海拔最高峰（8848.86 米），位于中国与尼泊尔边境，山体呈金字塔状，终年积雪。
珠穆朗玛峰
死海
马里亚纳海沟
n.文明
/,s v la 'ze n/
拓展
civilisation n.文明
civilize v.使文明;变得文明
civilized adj.文明的 v.使文明
culture n.文明；文化
固定搭配
spiritual civilization 精神文明
modern civilization 现代文明
ancient civilization 古代文明
material civilization 物质文明
Western civilization 西方文明
n.发展；壮大
/d 'vel pm nt/
固定搭配
the development of 的发展...
with the development of 随着…发展
product development 产品开发
social development 社会发展
future development 未来发展
拓展
develop v.发展
developed adj.发达的
developing adj.发展中的
developer n.开发者
developmental adj.发展的
n. 登山者；攀登者
/'kla m (r)/
拓展
climb n/v.攀登;爬;登山
climbing adj.攀登的
n/v.攀登;攀登;登山
固定搭配
mountain climber 登山运动员
n.英里
/ma l/
拓展
mileage n.英里数
milestone n.里程碑;划时代事件
milestones n.重要事件;重要阶段;转折点;里程碑
adj.北部的；向北的的
/'n : n/
adj.南方的；南部的
/'s (r)n/
adj.西南的；西南方向的
/,n :θ'i:st n/
拓展
east n.东；东部-- eastern adj.东方的；东方向的
west n.西；西部-- western adj.西方的；西方向的
south n.南；南部-- southern adj.南方的；南方向的
north n.北；北部-- northern adj.北方的；北方向的
southwest n.西南-- southwestern adj.西南的；西南方向的
southeast n.东南-- southeastern adj.东南的；东南方向的
northwest n.西北-- northwestern adj.西北的；西北方向的
northeast n.东北-- northeastern adj.东北的；东北方向的
英语中先南北在东西
汉语中先东西在南北
n.距离；遥远
/'d st ns/
拓展
distant adj.遥远的,远离的,远隔的
keep one's distance 远离
within distance 在…的距离之内
distant view 远景
distant place 远方
in the distant past 远古
distant cousin 远表兄妹
distant control 遥控
固定搭配
n.度；程度；度数
/d 'gri:/
固定搭配
by degrees 逐渐地;一点一点地
to a degree 稍微
拓展
extent n.程度;长度
measure n.测量,测度;尺寸
v.测量;估量
grade n.等级;成绩等级;年级
v.安排;依序排列,依等级排列;评估;评分
F
A
D
C
E
B
highest
biggest
lowest
deepest
8,848.86
9,000,000
416
11,000
长、宽、高、深、面积的表达方法:
基数词 + 单位词 + 形容词（long, wide, high, deep等）
Try to read the following numbers.
416 8,848.86 11,000 9,000,000
416 →
8,848.86 →
11,000 →
9,000,000 →
four hundred and sixteen
eight thousand,
eight hundred and forty-eight point eight six
eleven thousand
nine million
Host: __________our game show! Today, it's all about geography.
Answer as quickly as you can!
Question one: What is the________________in the world
Fu Xing: It's Mount Qomolangma!
Host: Correct! ________________
Lin Hongyu: I know this—it's 8,848.43 metres high.
Host: No, sorry. Fu Xing
Fu Xing: Is it 8,848.86 metres
Host: Yes! But some scientists say Qomolangma is still_____________ !
Now, name the________________ in the world.
Fu Xing: The Taklimakan Desert
Listen and fill in the blanks.
Welcome to
highest mountain
growing taller
How high is it
biggest desert
Host: ___________! Ella
Ella: It's the Sahara Desert.
Host: Right! Now, ________________
Ella: It's about 9,000,000 square kilometres.
Host: That's right! What's the _______________ on earth
Lin Hongyu: It's the Dead Sea!
Host: Well done! Its surface is 416 metres ______ sea level.
Now where's the ______________ in the ocean
Fu Xing: It's in the Mariana Trench.
Host: That's correct! How _______ is it
Fu Xing: It's about 11,000 metres deep.
Host: Correct!
Listen and fill in the blanks.
Wrong
how big is it
lowest place
below
deepest point
deep
(deep/big/high)
(highest mountain/biggest desert)
A: What’s the highest mountain in the world
B: It’s Mount Qomolangma.
A: How high is it
B: It’s 8,848.86 metres high.
2a What do you know about the deep sea
1. Fendouzhe
reached ____.
a deep sea submersible
D
2.The deep sea begins at ____.
3.The Titanic rests at ______.
A
C
“永不沉没”的巨轮
泰坦尼克号（RMS Titanic)，又译作铁达尼号，是英国白星航运公司下辖的一艘奥林匹克级邮轮，排水量46000吨，1909年3月31日在哈兰德与沃尔夫造船厂动工建造，1911年5月31日下水，1912年4月2日完工试航。
泰坦尼克号是当时世界上体积最庞大、内部设施最豪华的客运轮船，有“永不沉没”的美誉。在第一次航行中，它从英国南安普敦出发驶向美国纽约。
1912年4月14日23时40分左右，泰坦尼克号与一座冰山相撞，造成右舷船艏至船中部破裂，五间水密舱进水。
4月15日凌晨2时20分左右，泰坦尼克船体断裂成两截后沉入大西洋底3700米处。2224名船员及乘客中，1517人丧生，其中仅333具遇难者遗体被寻回。
＃泰坦尼克号沉没事故为和平时期死伤人数最为惨重的一次海难，其残骸直至1985年才被再度发现，受到联合国教育、科学及文化组织的保护。
4. A whale can dive to ______.
Whales can dive thousands of metres deep. For example, the sperm whale(抹香鲸) has been recorded at over 2,000 metres below the ocean surface. They can do so because they store a lot of oxygen in their bodies and conserve it by slowing their heart rate.
B
2b A class is asking a deep-sea researcher some questions after his talk.Listen and tick the topics they discuss
where the deep sea begins
why people are researching the deep sea
which Chinese submersible dived deeper in the
water than many others
what deep-sea animals are like
how everyone should protect the deep sea
2C Listen again. Complete the sentences with the facts from the conversation.
1. People still don't know much about the ___________.
2.In________,China's Fendouzhe dived into the deep sea and filmed it.
3. Some animals have unusual abilities. Some are_________but can “see”.Some can even create their own_________·
4. There is rubbish even at________metres deep.
ocean floor/deep sea
2020
blind
light
11,000
Read the questions and think of more you would like to ask the deep-sea researcher.Research the answers. Then ask and answer the questions with a partner.
.What is the largest shark in the deep sea
·What is the bottom of the deep sea like
·Why is it important to research the deep sea
Q1: What is the largest shark in the deep sea (格林兰睡鲨)
The largest shark in the deep sea is the Greenland shark. It's also the longest-lived shark. Some can be over 400 years old.
Q2: What is the bottom of the deep sea like
The bottom of the deep sea is very dark and very cold. There is extreme pressure from the weight of the water above.
Q3: Why is it important to research the deep sea
Because it helps us find new living things, keeps our planet healthy, gives us useful stuff like medicine, and teaches us about Earth's past.

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