必修二Unit4 Wildlife protection Language points 课件(35张PPT)

文档属性

名称 必修二Unit4 Wildlife protection Language points 课件(35张PPT)
格式 pptx
文件大小 2.6MB
资源类型 教案
版本资源 人教版(新课程标准)
科目 英语
更新时间 2021-08-09 16:04:35

图片预览

文档简介

(共35张PPT)
高一必修 2
Unit 4 Wildlife Protection
Language points
情景导入
Do you know the meaning of these signs
学习目标
1.掌握重点单词及短语,并学习其基本含义和用法。
2.分析文章中的长难句,更好的理解课文。
课前自主学习
预习课文Reading,完成以下任务:
Read the text , underline the important words and phrases and find out the difficult sentences for you.
decrease vi. & vt. 减少;(使)变小;或变少
loss n. 损失;遗失;丧失
reserve n. 保护区
hunt vt. & vi. 打猎;猎取;搜寻
zone n. 地域;地带;地区
carpet n. 地毯
respond vi. 回答;响应;做出反应
distant adj. 远的;远处的
fur n. 毛皮;毛;软毛
mercy n. 仁慈;宽恕;怜悯
certain adj. 确定的;某一;一定
importance n. 重要(性)
rub vt. 擦;摩擦
insect n. 昆虫
contain vt. 包含;容纳;容忍
powerful adj. 强大的;有力的
affect vt. 影响;感动;侵袭
appreciate vt. 鉴赏;感激;意识到
succeed vi. 成功 vt. 接替;继任
secure adj. 安全的;可靠的
income n. 收入
employ vt. 雇用;利用(时间、精力等)
harm n. & vt. 损害;危害
bite vt. & vi. (bit, bitten)咬;叮;刺痛
inspect vt. 检查;视察
incident n. 事件;事变
fierce adj. 凶猛的;猛烈的
重点解析
归纳拓展
1. decrease vt.& vi.减少;(使)变小,或变少
n.减少;降低
(1)on the decrease 在减小中
a decrease in... 在……方面减少
(2)decrease to... 减少到……
decrease by... 减少了……
decrease from...to... 从……减少到……
①The number of the students has decreased to 500.
学生人数减少到500人。
②The accidents have decreased by 20%since the measure has been taken.
自从采取这项措施以来,事故下降了20%。
③The mistakes he has made are on the decrease.
他犯的错误正在减少。
实例分析
2. respond vi.回答;响应;做出反应
重点解析
归纳拓展
(1)respond to... 回应……;对……做出反应
respond that... 回答说……
(2)response n. 回答;响应;反应
in response to 响应;反应(通常作状语)
make(no) response to 对……(不)做出反应/回答
①I'm not sure how he will respond to your answer.
我不确定他对你的答复会做何反应。
②He responded that he would be pleased to attend the party.
他回答说他很高兴参加派对。
③The product was developed in response to customers' demand.
这种产品是为了满足顾客的需要而开发的。
实例分析
重点解析
归纳拓展
3. appreciate vt. 鉴赏;感激;意识到
(1)appreciate doing sth. 感激/喜欢做某事
I would appreciate it if... 如果……我会不胜感激。
(2)appreciation n. 欣赏;鉴别;感激
in appreciation of... 作为对……的感谢;为感谢……
1.I would appreciate it if you let me have that chance.
要是你让我得到那个机会我将不胜感激。
2.He was given a rise in appreciation of his excellent work.
由于欣赏他的工作出色而给他提薪。
实例分析
appreciate 后面若跟when/if引导的从句作宾语时,从句前
应用it作形式宾语。类似用法的动词还有hate,love,like,dislike等。
短语
die out 灭亡;逐渐消失
in peace 和平地;和睦地;安祥地
in danger (of) 在危险中;垂危
in relief 如释重负;松了口气
burst into laughter 突然笑起来
protect…from 保护……不受……(危害)
pay attention to 注意
come into being 形成;产生
according to 按照;根据……所说
so that 以致于;结果
重点解析
归纳拓展
1. die out灭绝;逐渐消失;逐渐熄灭
die away 逐渐减弱,逐渐模糊,逐渐消失
die down 逐渐降低,逐渐平息
die off 相继死去
die of 死于(内因)
die from 死于(外因)
①As the sound of the music died away,the film came to an end.
随着音乐声渐渐消失,电影结束了。
②The apple trees in the field are all dying off from disease.
地里的苹果树一棵接一棵地病死了。
实例分析
归纳拓展
重点解析
2. in danger (of)在危险中;垂危
(1)out of danger 脱离危险
be a danger to sb./sth. 对某人/某物是个威胁
(2)dangerous adj. 危险的(指事物或人对别人有危险)
①He told me that the girl was in danger,so I went to help her.
他告诉我那个女孩儿身处险境,所以我去帮她了。
②Police said the man was a danger to the public.
警方说该名男子对公众是个危险。
实例分析
in danger 指人或物本身处于危险中,受到外来的威胁
dangerous 指人、物、事态可能引起危险,对别人构成威胁
in danger,dangerous
明辨异同
归纳拓展
重点解析
3. come into being 形成;产生
come into existence 形成;产生
come into action 开始行动
come into effect/force/operation 生效;实施
come into reality 实现;变成现实
come into use/service 开始被使用
come into power/office 当权;上台执政
come into fashion/style 开始流行
come into sight/view 看见,映入眼帘
①When do the new laws come into effect/force/operation
新法律什么时候开始执行?
②The town came into sight/view as we turned the corner.
我们拐过弯,那个镇就映入眼帘。
实例分析
完成句子
1.如果你可以告诉我到市中心的走法,我会非常感激。
you could show me the way downtown.
2.如果你不吃药的话,就有感冒的危险。
You are_________________________if you don't take any medicine.
3.新税法是上个月生效的。
The new tax regulations_______________last month.
in danger of catching a cold
came into effect
I would appreciate it if
单词
短语
课堂小结
1. decrease vt.& vi.减少;(使)变小,或变少
n.减少;降低
2. respond vi.回答;响应;做出反应
3. appreciate vt. 鉴赏;感激;意识到
1. die out灭绝;逐渐消失;逐渐熄灭
2. in danger (of)在危险中;垂危
3. come into being 形成;产生
1. Giving up smoking _____the risk of heart disease, so you’d better follow the doctor’s advice and _____smoking as soon as possible.
A. increases; kick B. reduces; give in
C. increases; get rid of D. decreases; give up
解析:increase “增加”,reduce“减少”decrease“减少”,故选D。根据句意“戒烟可以减少心脏病的风险”排除A,C选项,get rid of “去除,摆脱”,give in“屈服,让步”,give up “放弃”,选择D。
2. I appreciated ________ the opportunity to study abroad two years ago.
A. having been given B. having given
C. to have been given D. to have given
解析:appreciate 意为“欣赏;感激”,后面应接动词 -ing 形式,根据two years ago可判断是过去被给予机会,故选A。
1. _______ far away in space or time
2. ________ to go down to a lower level
3. ________ able to control events
4. ______ to do something to make a change
5. ___________ to understand how serious a situation is
distant
decrease
powerful
affect
appreciate
Find the word or expression for each of the following
meanings from the text.
自主学习反馈
6. _______ to run after animals in order to kill or catch them
7. ______________ to keep someone or something safe from harm
8. ________ to do something as a reaction to something done or said
9. ______ feeling of comfort when something worrying has ended or
not happened
hunt
protect…from
respond
relief
1. die out/ die down/ die away/die off/ die from/die of
This kind of bird has__________ .
The noise of the cars____________.
As a result of the lack of water, the leaves of this plant are________.
The old man _________ drinking dirty water.
The old man ______ cold and hunger.
The next day, the winds___________ .
The old custom has __________
died out
died away
dying off
died from
died of
died down
died out
新课讲解
2. be in danger; be in danger of
Carol is ___________losing her job.
When earthquake came, people in that area were __________.
3. endangered; dangerous
Tigers are ___________ species because of the climate change.
Lions are ____________ animals. So be careful when you meet a lion.
in danger of
in danger
dangerous
endangered
新课讲解
4. affect v.
The change in climate may affect your health.
Cancer has affected his lungs.
I was deeply affected by the film.
影响
感染
感动
新课讲解
affect/ effect
1. Smoking greatly ________health.
2. Smoking has a great ________on health.
3. Rheumatic fever can ________the heart.
4. The increase in CO2 resulted in the green house ________.
affects
effect
affect
effect
新课讲解
5. contain v. n. container
The new textbook contains 10 units, including two mainly revisions.
He was so excited that he could hardly contain himself.
The room is not big enough to contain so many people.
包含;含有
控制;容忍
容纳
新课讲解
contain / include
What does that box________
The atlas has forty maps, ________ the map of China.
She could hardly __________her excitement.
Sea water ___________salt.
His school bag _________a lot of books, _____________a cartoon book.
The parcel ___________a dictionary. 那包裹里也包括了一本字典。 (部分)
The parcel ___________a dictionary. 那包裹里装的是一本字典。(全部)
Ten people, ____________two children, visited the Great Wall.
Ten people , two children _________,visited the Great Wall.
contain
including
contain
contains
contains
including
included
contained
including
included
新课讲解
No rain forest, no animals and no drugs.
没有雨林就没有动物,也就没有药物。
no… no…
没有……就不……; 不……便无……; 不……不……
No fire, no smoke.
No pains, no gains.
No song, no supper.
无火不冒烟。/事出有因。
不劳无获。
不唱歌,没晚饭。/不干活,没饭吃。/不劳动,不得食。
(There are) No animals and no drugs without rain forest.
新课讲解
distant/fur/being killed
in relief/mercy/certain/
burst into laughter
rub/ protect … from
affect/ pay attention to/
appreciate
Describe the animals
课堂活动