资源简介

(共12张PPT)
Unit 4
The wonders of nature
Section B
Why do we explore nature 2a-2c
01
02
03
Master key vocabulary about natural wonders and geographical measurements to describe nature accurately.
Learning Objectives
Analyze and compare different natural wonders by using specific data and descriptive words.
Develop effective strategies to memorize new words and expand vocabulary through word formation.
risky
adj. 有危险（或风险）的
southern
adj. 南部的；向南的
located
adj. 位于；坐落在
curious
adj. 好奇的；求知欲强的
freshwater
adj. 淡水的；淡水中生长的
type
n. 类型；种类
attract
v. 吸引；招引
natural
adj. 自然的；天然的
traveller
n. 旅行者；游客
What is the video talking about
It’s about Lake Baikal(贝尔加湖）
此课件为蜗牛英语圈原创课件，已申请版权，侵权必究法律责任
A. safe E. unusual
B.bottom F.living
C. southern G. high
D. above H. die
2a
Match the words on the left with their opposites on the right.
1.below 5.top
2.common 6.northern
3.low 7.risky
4.dead 8. survive
D
E
G
F
B
C
A
H
/ r ski/ adj. 有危险（或风险）的
/ s n/ adj. 南部的；向南的
2b Read the examples and make more sentences using how and the words in the box.
How far is it from your home to school How heavy is a blue whale
How large is your country How often do you exercise
1. How long is the Yellow River
2. How high is Qomolangma
3. How deep is Lake Baikal
4. How old is your grandfather
5. How fast can a cheetah run
6. How soon will you be back
long high deep old fast soon
2c Complete the passage with the correct forms of the words in the box.
deep survive wonderful surface dive
Located in Siberia, Russia, Lake Baikal is one of the world's most famous lakes. It is the ________ freshwater lake in the world. To reach the bottom, you must ________ 1,620 metres! It is also larger than most other lakes. Its ________ covers 31,500 square kilometres. That is bigger than the country of Belgium! Lake Baikal is cold most of the year. But over 1,200 different types of animals can still ________ in this environment. Today, the lake still attracts many curious travellers. After all, it is a great natural ________!
deepest
dive
surface
survive
wonder
课堂总结:
1. 学了反义词：below/above、low/high 等8组反义词
2. 练了句型：用 How + 形容词/副词 提问（如 How long/How high）
3. 读了课文：了解了世界最深淡水湖——贝加尔湖（Lake Baikal）的知识
4. 掌握了单词：deep、dive、surface、survive、wonderful 等核心词
Unit 2 Vocabulary in Use 课后针对性作业
一、反义词连线（对应2a）
1. below A. high
2. low B. above
3. top C. die
4. survive D. bottom
二、补全句子（对应2b）用方框里的词补全句子（long / high / deep）
1. How ______ is the river
2. How ______ is the mountain
3. How ______ is the lake
三、短文填空（对应2c）
用方框里的词填空（deepest / surface / survive）
Lake Baikal is the world's ______ freshwater lake.
Its ______ is very big.
Many animals can ______ here.
SEE YOU NEXT CLASS!

展开更多......

收起↑