人教新课标选修六Unit 4 Global warming Language points课件(共28张PPT)

(共28张PPT)
Unit4 language points
Global warming
consume v. 消费; 消耗-- consumer n. 消费者 -- consumption n．消费; 消耗量
tend vi. 趋向; 易于; 照顾 vt. 照顾 -- tendency n. 倾向; 趋势
measure v. 衡量;测量 -- measurement n. 衡量;测量
oppose vt. 反对; 反抗 -- opposed adj. 反对的;对立的
mild adj. 温和的; 温柔的 -- mildly adv. 温和地; 温柔地
environment n. 环境 -- environmental adj. 环境的 -- environmentally adv. 在环境方面上 -- environmentalist n. 环境保护论者
词性转换
consequence n. 结果 -- concequent adj. 随后发生的 -- concequently adv. 因此; 所以
state vt. 陈述; 说明 -- statement n. 说明; 陈述; 声明
steady adj. 平稳的; 持续的 -- steadily adv. 平稳地; 持续地
exist vi. 存在 -- existence n. 生存; 存在
economic n. 经济 -- economical adj. 节约的; 经济的
commit vt. 承诺 -- commitment n. 承诺; 交托; 信奉
pollute vt. 弄脏; 污染 -- pollution n. 污染; 弄脏
词性转换
grow vt. 生长; 增长 -- grew 过去式 -- grown 过去分词 -- growth n. 增长; 生长
electrical adj. 电的; 与电有关的 -- electricity n. 电能
educate vt. 教育 -- education n．教育 -- educator n. 教育者; 教育家
contribute vt.贡献; 捐助-- contribution n. 贡献
disagree vi.不同意; 意见不合 -- disagreement n.分歧 -- agree (反义词) vi. 同意 -- agreement (反义词) n. 同意; 一致
词性转换
compare to
even if
subscribe to
huge quantities of
go up
keep on
tend to
due to
there is no doubt that
与…对比；把…比作
即使
同意；赞成；订阅
大量的
上升；增长
继续
易于；照顾
由于
毫无疑问的是…
Useful phrases
compare A to B
把A比作B (两者要有相似之处)
compare A with B
把A和B进行比较
We often compare children _____ flowers.
If you compare this dictionary ______ that one,
you’ll find many differences.
to
with
1. compare
【观察探究】
The accident came about last night.
【拓展延伸】
1)表示“发生”的词或短语还有：
______________(多指战事、火灾等的发生)
它们和come about一样，也不能用于被动结构。
2.So how has this come about and does it matter
发生
happen
take place
break out
2. She came up with a new idea in the meeting .
4.When this book came out, nobody cared for it.
3.The problems came up at the meeting once again.
被提出
出版，发表
偶然遇见
想出,提出
1.I came across an old friend yesterday.
3. This is when small amounts of gases in the
atmosphere…and therefore warm the earth.
a (large) amount of/(large) amounts of
许多的,大量的
+不可数名词
作主语时,句子的谓语用单数
作主语时,句子的谓语用复数
____ of money ____ spent on the bridge.
A. A large amount; were
B. Large amounts; were
C. Large amount; was
…when we add huge quantities of extra carbon
dioxide into the atmosphere.
a quantity of / quantities of
+可数或不可数名词
作主语时,句子的谓语用单数
作主语时,句子的谓语用复数
许多的,大量的
(2009年福建卷)—Why does the lake smell terrible
—Because large quantities of water________.
A．have polluted　　 B．is being polluted
C．has been polluted D．have been polluted
4. quantity
可数名词 不可数名词 可数名词 /不可数名词
许多，大量 many ;many a ; a good/great many;a good/ great number of much, a good / great deal of, a large amount of, amounts of a lot of, lots of, plenty of,
a quantity of;
quantities of
5.It means that more heat energy tends to be
trapped in the atmosphere causing the global
temperature to go up.
tend vi 倾向，趋向 vt.照顾
tend to sth/do sth 趋向(做)某事
David tends to obesity/get fat.
Janet tends to get very angry if you can’t satisfy her demands.
(1)Women tend _____ live longer than men.
女性往往比男性活的更久。
(2)She ____ ____ get angry when people oppose to her plan.
别人反对她的计划时，她很容易生气。
(3)The nurse skillfully ______ their wounds.
那位护士熟练地为他们包扎伤口。
tends
to
tended
to
6.【观察探究】
Smoking resulted in His father’s illness.
His father’s illness resulted from smoking.
【归纳总结】
用适当的介词填空。
1. Max’s success resulted _________ accepting
the advice of his teacher.
2. His sickness resulted ______eating too much.
3.His rudeness resulted_____ the child’s quarreling with him.
result in意为“_______”,
result from表示“___________________”
导致
由于；由….造成
from
in
from
The earth is becoming warmer. , London would become a water city.
The rise in the sea level would global warming.
Global warming would the rise in the sea level.
global warming, London
would become a water city.
As a result
result from
result in
As a result of
Talk about the picture by using the following phrases.
伦敦变成了水上城市
result in result from as a result as a result of
as a result , +句子(结果)
result from+ 原因
result in+ 结果
as a result of+ n.(原因)
7.On the other hand，there are those，like George Hambley, who are opposed to this view，believe that we should not worry about high levels of carbon dioxide in the air.
1)Most citizens opposed the new tax.
大部分市民反对新税。
2)The mother opposed her daughter’s going there alone.
这位母亲反对她女儿一个人去那儿。
3)I’m strongly opposed to your plan.
我坚决反对你的计划。
【观察探究】
【归纳总结】（1）oppose是___词，意为“反对”
______________________反对（干）某事；
（2） opposed是_______词，意为___________
固定搭配 be opposed to sth 反对某事
动
形容
oppose to sth/doing sth
反对的
in consequence = as a consequence=as a result
结果；因此
as a consequence of =in consequece of
由于...的缘故
consequent adj.作为结果的；随之发生的
（1）I wonder if parent should always tell the
truth no matter the consequences.
(2) In consequence , You must work hard.
8.They predict that any warming will be
mild with few bad environment consequences.
consequence n.后果，结果，影响
Practice
1. My car broke down and __________
(consequent) I was late.
2.The ceremony has been put off as a
consequence the bad weather.
consequently
Λ
of
他们的年龄在5到10岁之间。
range from…to…
从…到…之间变化
a range of
一系列…
Their ages range from five to ten.
=Their ages vary form five to ten.
n.种类；范围；v. 排列，（在一定范围）变化
The national park has a large collection of wildlife, _________(range)from butterflies to elephant.
ranging
a wide range 范围广的
9.range
Important Sentences
难句分析
1. There is no doubt that the earth is becoming warmer and that it is human activity that has caused this global warming rather than a random but natural phenomenon.
[考点1] There is no doubt that….毫无疑问
There is some doubt whether….怀疑是否
辨析：主句为肯定句时，doubt 后使用连词whether。主句为否定句时，doubt后则使用连词that。
“that/whether”引导的是同位语从句，用来进一步补充说明doubt的具体内容。
[考点2] it is ... that ...在此句中构成强调句型，强调的是主语human activity。强调句型除谓语不能强调外，可强调主语、宾语或状语。
[考例1] It is not who is right but what is right ______ is important.
A. which B. it C. that D. this
[点拨] 根据强调句型的判断方法：将it is和that去掉后，此句成为Not who is right but what is right is of importance，是一个完整的句子，故此题是一个强调句型。
2.Even if we start reducing the amount of carbon dioxide and other greenhouse gases，the climate is going to keep on warming for decades or centuries.
尽管我们已经开始减少二氧化碳和其他温室气体的排放量，但是在未来的几十年或几个世纪里气候将会持续变暖。
【观察探究】
Even if it rained heavily，we still keep on traveling.
【归纳总结】
even if 意为__________，引导_______状语从句，可以与even though互换.
即使
让步
辨析
even if /though 引导让步状语从句，“尽管；虽然；即使
as if/ though 引导方式状语从句或表语从句，意为”似乎；好像”
They are talking _______________they had seen a ghost.
____________you don’t like the film, you’d better see it.
as if /though
Even if/ though