外研版（2019）必修 第二册Unit 6 Earth first Developing ideas知识点课件(共18张PPT)
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| 名称 | 外研版（2019）必修 第二册Unit 6 Earth first Developing ideas知识点课件(共18张PPT) |  | |
| 格式 | pptx | ||
| 文件大小 | 608.0KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2023-01-09 20:31:45 | ||
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(共18张PPT)
Unit 6
What’s
really green
Most of us are aware that we must take care of the environment, and the majority of us take steps to save energy and reduce waste and pollution.
我们大多数都意识到我们必须爱护环境，且多数人采取措施节约能源，减少浪费及污染。
be aware that…意识到+句子；
be aware of +名词/代词
n. awareness 提高某人的意识_____________________
the majority of people大多数人 minority n.少数（人）
take steps to do…采取措施做…
raise sb’s awareness
(3) It takes hundreds of years for plastic to break down, but much less time for paper.
塑料分解需要几百年的时间，但纸张分解的时间要短得多。
It takes (sb.) some time to do sth
做某事花了某人多长时间
break down
break down 分解，分化
eg After many years, rocks break down into dirt.
Food is broken down in the stomach.
break down还意为：
The plan was good, but it broke down, because people were unwilling to cooperate.
We are sorry to arrive late, but the car broke down.
Your health will break down if you work too hard.
The young woman broke down in tears.
(计划、谈判等）失败
（机器、车辆等）坏了
（身体）垮了
感情失控（痛哭起来）
break down:分解；（和谈）失败；(身体)等垮了。其它短语：
(火灾，战争)爆发_______
闯入__________
关系破裂____________
break out
break into
break up
(4)However, making a paper bag uses four times as much energy as making a plastic bag and up to three times the amount of water.
然而，制造一个纸袋所消耗的能源是制造一个塑料袋的四倍，用水量多达制造塑料袋的三倍。这个过程中也会产生更多的温室气体。
倍数表达：
观察下列比较级的用法
1. 条河是那条河的两倍长。(用比较级）
This river is ___________________that one.
2. 这条街是那条街的四倍长。(用名词）
This street is_____________________________that one.
3.亚洲的面积是欧洲的四倍。(用原级）
Asia is four times ______________________Europe.
twice longer than
as large as
four times the length of
倍数表达：
倍数+as much(不可数名词)/many(可数名词)+as
倍数+比较级+than…
倍数+the +名词(depth /length/ size/amount …)+of…
(6)To make sure your appliance is in fact off, remove the plug from its power supply.
要确保您的设备实际上已关闭，拔掉电源插头。
remove…from…将…从…移开
(7)It seems like common sense : eating local food should be better for the environment, because it does not need to be transported long distances and kept cold during transport.
这似乎是常识：吃当地食物应该对环境更好，因为它不需要长途运输，并且在运输过程中保持低温。
common sense 常识；
sense其它短语：方向感______________
有意义_________
a sense of direction
make sense
(8) It is the production of food, not its transport, that uses most of the energy.
消耗大部分能源和产生大部分温室气体的是食品生产。
强调句构成：
It is(was)+被强调部分+that(强调人可以用who)+句子其它
去掉强调结构后，句子依然完整.
正是塑料袋带来了白色污染。
produce u.n. 农产品(不可数名词）
eg They provide us with fresh produce
every day.
produce, product与production
produce u.n. 农产品
product c.n. 产品，制品
production u.n. 生产行为，产量
(9)In some cases, local produce might have used more energy and produced more greenhouse gases than produce grown a long way away—even taking into account its transport.
在某些情况下，即使考虑到农产品的运输，当地农产品比生长在很远的地方的农产品可能消耗更多的能源，产生更多的温室气体。
take…into account 考虑到…，把…考虑在内
taking into account …为现在分词的独立主格形式，不受句子主语的限制。类似的结构还有:
generally speaking, talking of…, speaking of…, judging from/by…, , considering… 等
(10)It depends on how long you spend in the shower and how large your bath is.
depend on = rely on 依靠, 依赖,取决于…
it (all) depends 看情况定
这取决于你花在淋浴上的时间，以及你的浴缸有多大。
Your grades depend on your attitude to study.
This book is worth reading again.
熟记下列短语
1. 环保的 environmental friendly
2. 节约能源 save energy
3. 看情况而定 It depends.
4. 照顾 take care of
5. 采取措施 take steps
6. 大多数...... the majority of ...
7. 把...... 误认为...... mistake... for ...
8. 分解 break down
9. 对...... 有坏处 be bad for
熟记下列短语
10. 确保 make sure
11. 实际上 in fact
12.从...... 拔掉/ 移除 remove ... from ...
13. 常识 common sense
14. 在一些情况下 in some cases
15. 把...... 考虑进去 take ... into account
16. 环保意识 environmental awareness
17. 做...... 是值得的 it's worth doing
熟记下列短语
1. 环保的
2. 节约能源
3. 看情况而定
4. 照顾
5. 采取措施
6. 大多数......
7. 把...... 误认为......
8. 分解
9. 对...... 有坏处
10. 确保
11. 实际上
12.从...... 拔掉插头
13. 常识
14. 在一些情况下
15. 把...... 考虑进去
16. 环保意识
17. 做...... 是值得的
P71
Dear Friends，
We are writing this letter to call on everyone to take part in the Clear Your campaign. It urges people to save food by not wasting anything on the dinning table. You may not know over 30% of the world's food is wasted, while many people in poor areas do not have enough to eat. In order to save food, we propose:
call on sb. to do ... 号召某人做某事
urge sb. to do ... 要求某人做某事
urge that sb. should do .... (虚拟语气）
by (not) doing... 通过做（不做）...... （方式状语）
propose v. 倡议，建议
Unit 6
What’s
really green
Most of us are aware that we must take care of the environment, and the majority of us take steps to save energy and reduce waste and pollution.
我们大多数都意识到我们必须爱护环境，且多数人采取措施节约能源，减少浪费及污染。
be aware that…意识到+句子；
be aware of +名词/代词
n. awareness 提高某人的意识_____________________
the majority of people大多数人 minority n.少数（人）
take steps to do…采取措施做…
raise sb’s awareness
(3) It takes hundreds of years for plastic to break down, but much less time for paper.
塑料分解需要几百年的时间，但纸张分解的时间要短得多。
It takes (sb.) some time to do sth
做某事花了某人多长时间
break down
break down 分解，分化
eg After many years, rocks break down into dirt.
Food is broken down in the stomach.
break down还意为：
The plan was good, but it broke down, because people were unwilling to cooperate.
We are sorry to arrive late, but the car broke down.
Your health will break down if you work too hard.
The young woman broke down in tears.
(计划、谈判等）失败
（机器、车辆等）坏了
（身体）垮了
感情失控（痛哭起来）
break down:分解；（和谈）失败；(身体)等垮了。其它短语：
(火灾，战争)爆发_______
闯入__________
关系破裂____________
break out
break into
break up
(4)However, making a paper bag uses four times as much energy as making a plastic bag and up to three times the amount of water.
然而，制造一个纸袋所消耗的能源是制造一个塑料袋的四倍，用水量多达制造塑料袋的三倍。这个过程中也会产生更多的温室气体。
倍数表达：
观察下列比较级的用法
1. 条河是那条河的两倍长。(用比较级）
This river is ___________________that one.
2. 这条街是那条街的四倍长。(用名词）
This street is_____________________________that one.
3.亚洲的面积是欧洲的四倍。(用原级）
Asia is four times ______________________Europe.
twice longer than
as large as
four times the length of
倍数表达：
倍数+as much(不可数名词)/many(可数名词)+as
倍数+比较级+than…
倍数+the +名词(depth /length/ size/amount …)+of…
(6)To make sure your appliance is in fact off, remove the plug from its power supply.
要确保您的设备实际上已关闭，拔掉电源插头。
remove…from…将…从…移开
(7)It seems like common sense : eating local food should be better for the environment, because it does not need to be transported long distances and kept cold during transport.
这似乎是常识：吃当地食物应该对环境更好，因为它不需要长途运输，并且在运输过程中保持低温。
common sense 常识；
sense其它短语：方向感______________
有意义_________
a sense of direction
make sense
(8) It is the production of food, not its transport, that uses most of the energy.
消耗大部分能源和产生大部分温室气体的是食品生产。
强调句构成：
It is(was)+被强调部分+that(强调人可以用who)+句子其它
去掉强调结构后，句子依然完整.
正是塑料袋带来了白色污染。
produce u.n. 农产品(不可数名词）
eg They provide us with fresh produce
every day.
produce, product与production
produce u.n. 农产品
product c.n. 产品，制品
production u.n. 生产行为，产量
(9)In some cases, local produce might have used more energy and produced more greenhouse gases than produce grown a long way away—even taking into account its transport.
在某些情况下，即使考虑到农产品的运输，当地农产品比生长在很远的地方的农产品可能消耗更多的能源，产生更多的温室气体。
take…into account 考虑到…，把…考虑在内
taking into account …为现在分词的独立主格形式，不受句子主语的限制。类似的结构还有:
generally speaking, talking of…, speaking of…, judging from/by…, , considering… 等
(10)It depends on how long you spend in the shower and how large your bath is.
depend on = rely on 依靠, 依赖,取决于…
it (all) depends 看情况定
这取决于你花在淋浴上的时间，以及你的浴缸有多大。
Your grades depend on your attitude to study.
This book is worth reading again.
熟记下列短语
1. 环保的 environmental friendly
2. 节约能源 save energy
3. 看情况而定 It depends.
4. 照顾 take care of
5. 采取措施 take steps
6. 大多数...... the majority of ...
7. 把...... 误认为...... mistake... for ...
8. 分解 break down
9. 对...... 有坏处 be bad for
熟记下列短语
10. 确保 make sure
11. 实际上 in fact
12.从...... 拔掉/ 移除 remove ... from ...
13. 常识 common sense
14. 在一些情况下 in some cases
15. 把...... 考虑进去 take ... into account
16. 环保意识 environmental awareness
17. 做...... 是值得的 it's worth doing
熟记下列短语
1. 环保的
2. 节约能源
3. 看情况而定
4. 照顾
5. 采取措施
6. 大多数......
7. 把...... 误认为......
8. 分解
9. 对...... 有坏处
10. 确保
11. 实际上
12.从...... 拔掉插头
13. 常识
14. 在一些情况下
15. 把...... 考虑进去
16. 环保意识
17. 做...... 是值得的
P71
Dear Friends，
We are writing this letter to call on everyone to take part in the Clear Your campaign. It urges people to save food by not wasting anything on the dinning table. You may not know over 30% of the world's food is wasted, while many people in poor areas do not have enough to eat. In order to save food, we propose:
call on sb. to do ... 号召某人做某事
urge sb. to do ... 要求某人做某事
urge that sb. should do .... (虚拟语气）
by (not) doing... 通过做（不做）...... （方式状语）
propose v. 倡议，建议