课件42张PPT。Unit 22
Environmental Protection
Global WarmingCan we take the heat? Lesson 1
Global Warming To understand the new words and expressions.
2. To have a better understanding of what global warming is.
3. To summarize the main idea of the passage.
4. To realize the importance that we need to take action.ObjectivesBy the end of the class, Ss will be able : Earth is like a paradise(天堂)! Earth is like a paradise(天堂)! Earth is like a paradise(天堂)! Earth is like a paradise(天堂)! Earth is like a paradise(天堂)! Earth is like a hell(地狱)! Earth is like a hell(地狱)! Earth is like a hell(地狱)! Earth is like a hell(地狱)! Earth is like a hell(地狱)!What's the reason for such a change,
from a paradise to a hell?It's all because of GLOBAL WARMINGWho is to blame?????YOUMEHESHEEvery one of us is responsible.At some places, itIncreases Temperature Melts
Polar ice caps
FloodAt others, it causesDroughtDead fisheshunger
It’s high time that we took action NOW!!!!Let’s learn
how to stop global warming consensus
beyond
beyond one’s control
*claim
look ahead
relevant
refer (to)
in turn
lead to
rayn. 一致的意见
prep. 超出
超出……的控制
vt. 声称
展望未来
adj. 有关的
指,意即
依次
引起,导致
n. 光线Words & Expressions Reviewbounce
pin (on)
agriculture
coincidence
condemn
*drought
federal
reservation
sacrifice
take actionvi. 反弹
vt. 把责任加在某人身上
n. 农业
n. 巧合
vt. 迫使(某人)陷于不幸的境地
n. 旱灾
adj. 联邦的
n. 保护
vt.&vi. 牺牲;献出
采取行动advocate
recycle
substitute
threaten
ahead of
pancake
hurricanevt. 主张,提倡
vt. 回收利用
n. 代替品
vt. 威胁
在……前面
n. 薄煎饼
n. 飓风Fast reading : Skim the text and match the headings with the paragraphs.A.Draw readers’ attention to the topic by asking questions.
B.What should human beings do.
C.What is global warming.
D.Consequences of global warming.
E. What causes global warmingPara 1.
Para 2.
Para 3.
Para 4.
Para 5.1. What does the word “take” in the title “ Can we take the heat?” mean?
A. destroy B. have C. tolerate D. settle
2. The main purpose of the first paragraph is ______
A. To remind readers of human activities in the past
B. To introduce the topic to the readers
C. To introduce the greatest trouble in the future
D. To introduce the process of global warming
3. The writer develops the passage mainly by________
A. giving examples B. analysing causes and effects
C. making comparison D. analysing data
4. What's the purpose of the writer in writing the passage?
A. To introduce global warming to readers
B. To explain causes of global warming
C. To inform us of consequences of global warming
D. To call on us to take measures to protect the environment.
Careful readingTask 1 Multiple Choice1. What does the word “take” in the title “ Can we take the heat?” mean?
A. destroy B. have C. tolerate D. settle
2. The main purpose of the first paragraph is ______
A. To remind readers of human activities in the past
B. To introduce the topic to the readers
C. To introduce the greatest trouble in the future
D. To introduce the process of global warming3. The writer develops the passage mainly by________
A. giving examples
B. analyzing causes and effects
C. making comparison
D. analyzing data
4. What's the purpose of the writer in writing the passage?
A. To introduce global warming to readers
B. To explain causes of global warming
C. To inform us of consequences of global warming
D. To call on us to take action to protect the environment.Task2 Blank-filling
changesglobal warmingclimateenvironmental problemsincreaseleads topinneddisastersresponsibilitypartWhat can we do to protect our environment?What can we do?public transportlow-flow shower headenergy-saving light bulbsrecycled paperswitch off…Small actions,the world will be wonderful !!!Homework1.Underline the difficult phrases and sentences .Try to look them up in the dictionary if neccessary.
2. Finish Ex.5 on page 7.Thanks!