Unit 5 Humans and Nature Topic Talk知识点课件(共33张PPT，内镶嵌视频) 北师大版（2019）必修第二册

(共33张PPT)
Unit 5
Humans and Nature
Topic Talk词汇
目 录
01.
单词领读
02.
词性拓展
03.
单词讲解
04.
随堂测试
单词领读
01
单词预习检测 —— 英汉互译
1. 灾难；不幸 n __________
2. 洪水；水灾 n __________
3. 旱灾；干旱 n __________
4. 野生生物 n __________
5. 评论 n __________
6. 拥挤的；挤满的；装满的 adj __________
7. 风景；风景画 n __________
8. 活的；活着的 adj __________
disaster
flood
drought
wildlife
comment
crowded
landscape
living
单词预习检测 —— 英汉互译
9. 杂草；海藻 n __________
10. 鹿 n __________
11. 昆虫；虫 n __________
12. 鲸 n __________
13. 海豚 n __________
14. 鲨鱼 n __________
15. 袋鼠 n __________
16. 雕；鹰 n __________
17. 狐狸；狡猾的人 n __________
deer
weed
insect
whale
dolphin
shark
kangaroo
eagle
fox
单词预习检测 —— 英汉互译
18. 土；土壤 n __________
19. 气候；气候带 n __________
20. 丛林；密林 n __________
21. 使震惊；使气愤 vt __________
22. 讲座；讲课；演讲 n __________
23. 一百万 num __________
24. 温室；暖房 n __________
25. 对……置之不理；对……撒手不管 __________
26. 标题；书名；称号；冠军 n __________
soil
climate
jungle
shock
lecture
million
turn one’s back (on sb / sth)
greenhouse
title
单词预习检测 —— 英汉互译
27. hurricane n __________
28. landslide n __________
29. volcanic adj __________
30. 补volcano n __________
31. eruption n __________
32.补erupt vi __________
33. ecology n __________
34. overuse vt __________
飓风；暴风雨
崩塌；滑坡
火山的；由火山作用引起的
火山
喷发；爆发
喷发；爆发
生态；生态学
过度使用；滥用
词性拓展
02
1．drought n．旱灾，干旱→dry adj.干的；干燥的；口渴的
2．eruption n．爆发→erupt vi.(火山)爆发，喷发
3．crowded adj.拥挤的；挤满人的→crowd n．人群vt.挤满；使拥挤
4．shock vt.使震惊；使难以置信→shocked adj.惊愕的，震惊的→shocking adj.令人震惊的；令人愤慨的；不道德的
重难点词精讲
03
?★comment n．评论；意见 v．做出评论(教材P28)
1.comment
(1)make a comment/comments on对……做出评论
No comment.无可奉告。
ask for comments寻求建议
(2)comment on/upon 评论
comment that...评论……
[佳句赏读]　感悟句意·背诵
①He refused to make a comment on the personal affairs of others.
②—Do you have any comment about the impact of the emergency
—No comment.
③The government is asking for comments about the incident.
④She didn’t comment on what I said at the meeting.
⑤Tom commented that he thought it was time for us to
concentrate on our experiment.
[单句语法填空/单句写作]
①If there is truly a concern about a professor’s professionalism or
ability，be sure to use online course evaluation to calmly offer your
___________(comment)．
②He made no comments ________our argument that online shopping will not replace physical stores.
③You needn’t ask ________ my comments；I have told you that I totally subscribe to whatever you said.
④我没有权利对他们的决定做评论。
______________________________________________________ .
comments
on
for
I have no right to make a comment/comments on their decision
课文原句：The two students were shocked at the lecture on nature.(教材P29)
?★ ?shock vt.使震惊；使难以置信
n．震惊；冲击；打击；休克；令人震惊的事情
2.shock
(1)be shocked at对……感到震惊
(2)culture shock文化冲击
to one’s shock令人震惊的是……
in a state of shock处于震惊的状态
(3)shocking adj.令人震惊的
shocked adj.震惊的；惊讶的
下面这些音译词你都知道吗？
guitar 吉他 Cola 可乐 chocolate 巧克力
party 派对 salad 沙拉 shark 鲨鱼
ballet 芭蕾舞 marathon 马拉松 cool 酷的
有些英语词汇，汉语中没有与之对应的词，翻译时会借用中文谐音来翻译，这一类词被称之为“音译词”。音译词的翻译不仅表意精确，同时也准确地还原了英文的发音。shock也被翻译成了“休克”。
shock
shock 语义助记
冲击
shock
基本义
物体间的冲击
电流对人的冲击
精神上的冲击
（医学领域）机体受到有害因素的冲击
（爆炸、地震等引起的）剧烈震动；冲击
电击；触电
休克
n.
使震惊；使气愤
（精神上的） 震惊；打击；
令人震惊的事
v.
[佳句赏读]　感悟句意·背诵
①They were deeply shocked at the news that the famous actor
Wu Mengda passed away yesterday.
②The shock of the earthquake was miles away.
③You are certainly suffering a culture shock when staying abroad.
④To our great shock，she succeeded in finding a cure for
the disease.
一、写出下列句子中shock的汉语释义。
1. It was such a shock when they announced the winner was Cart.
____________
2. The shock wave was felt even in my plane, several miles away from the harbor（港口）. ____________
二、在空白处填入1个适当的单词或括号内单词的正确形式。
1. They will get ____________ shock when they get this bill.
2. Jones was ___________when the old lady said that she didn’t actually mind being cheated.
3. The ____________ (shock) news made me realize what terrible problems we would face.
a
shocked
shocking
震惊
shock
冲击波
[单句语法填空/单句写作]
①I was ________(shock) when I learned she hadn’t cooked once in all that time.
②The ________ news ________ all the people around，which was also a shock to her father who was working abroad.(shock)
③They were shocked _____ the news that the plane was missing.
④那次失败给我很大的打击。
_____________________________________________________________________________
shocked
shocking
shocked
at
The failure was a great shock to meThe failure was a great shock to me
3. turn one’s back on
课文原句： Nature got hurt，felt pain，and finally turned its back on us.(教材P102)?
★ turn one’s back on... 对……置之不理；对……撒手不管
turn out结果 是 ；证明 是
turn up 开大；调大音量；出现
turn down 调小声音；拒绝
turn to 转向；求助于
turn in＝hand in 上交
turn over翻身；移交
[用turn的相关短语填空]
①How can you_________________your brother
②Unexpectedly，the weather __________ to be pretty nice that day.
③Please ________your brother for recommendations when making the tough decision.
④He promised to come to attend my party，but he didn’t ________ until 10 o’clock.
⑤How could you ________ such a fantastic job when you have been out of work for months
⑥He did not fall asleep，____________ on bed from time to time.
turn your back on
turn to
turn up
turned out
turn down
turning over
?★ ?crowded adj.拥挤的；挤满人的 (教材P28)
(1)be crowded with 挤满；拥挤
(2)crowd n．人群；观众
v．(使)挤满；涌上(心头)；涌入
in crowds成群地
follow the crowds随大流；跟大家一样
crowd into sth.涌入
4. crowded
①The crowd crowded into the stadium which was crowded with
audience.（翻译）
②In spring，the place is crowded ________ skiers coming from all over the country.
春天这里挤满了来自全国各地的滑雪者。
③She is quite happy ________.
她相当喜欢随大流。
④Students came ________to sing “Happy Birthday” to their loved teacher.学生们成群来给他们喜爱的老师唱生日歌。
with
to follow the crowds
in crowds
名词动词化
写出下列句子中画线词的汉语释义。
1. Lots of people flooded into our town as their homes were washed away by floods. ____________
2. It snowed heavily last night, and the ground was covered with thick snow.
____________
3. Seeing her leaving in the heavy rain, I felt tears rain down my cheeks.
____________
4. The morning was quite bright with no clouds in the sky, but it clouded over in the afternoon. ____________
5. The river usually ices over in December. But it’s dangerous to skate on it.
____________
（洪水般地）涌进
下雪
雨点般落下
布满云 / 阴云密布
英语中有很多名词可转化为动词，常表示具有该名词的活动特点或性质特征的动作。例如，表示自然现象的名词常可转化为动词。
结冰
复合名词
说出如下复合名词的汉语释义。
wild + life → wildlife n _______________
land + slide → landslide n _______________
short + cut → shortcut n _______________
green + house → greenhouse n _______________
life + style → lifestyle n _______________
lap + top → laptop n _______________
hair + style → hairstyle n _______________
guide + line → guideline n _______________
野生生物
崩塌 / 滑坡
捷径 / 近路
温室 / 暖房
生活方式
笔记本电脑 / 便携式电脑
发型 / 发式
指导方针 / 指导原则
合成词由两个或两个以上的单词组成，其释义可以由两个词的释义直接推断出来。合成词中合成名词数量最多，在谈论新发明或当今社会的方方面面时尤为常用。
随堂测试
04
Ⅰ.单词拼写
1．The region has been declared a heavy ________(灾难)zone，which will have a big impact on its economy.
2．Though the park is small，it is home to bears，wolves，and other ________.
3．We need to create a ________(气候；环境) in which business can prosper.
4．Most pop singers suffer from three things：lack of training，________ (过度使用) and abuse of the voice，especially when they are young.
5．What gas do you think is the first suspect in causing the ________ effect
disaster
wildlife
climate
overuse
greenhouse
6．The teacher turned around and wrote the ________(标题) on the blackboard.
7．The natural ________(风景) of Tibet is worthwhile to visit.
8．Millions of people are threatened with starvation as a result of ________(干旱) and poor harvests.
9．In the bus accident，the father was killed，but the daughter was found ________(活着的).
10．The ________(鹰) is an emblem of strength and courage.
title
landscape
droughts
living
eagle
Ⅱ.单句语法填空
1．Large dams have done great harm to Siberia’s delicate ________
(ecology) balance.
2．Volcanic ash showed down on the town after the ________(erupt)．
3．________(million) of people have lost their home after the terrible
earthquake.
4．Never make any comment ________ a woman’s hairstyle，or you
will regret greatly.
5．Would you like to go to a theatre ________(crowd) with audience
ecological
eruption
Millions
on
crowded
Ⅲ.单句写作
1．在那种情况下他不理睬儿子是不对的。(turn one’s back on)
_____________________________________________________________________________________________________________ .
2．面对困难，我们绝不会放弃。( in the face of)
_____________________________________________________________________________________________________________ .
3．他犯了个大错，因此丢了工作。(as a result)
_____________________________________________________________________________________________________________ .
It’s wrong of him to turn his back on his son in that situation.
On no account should we give up in the face of difficulties.
He made a big mistake，and as a result，lost his job.
.
4．我觉得我没有资格对此话题发表评论。(comment)
_____________________________________________________________________________________________________________ .
5．这两个学生对这个跟自然有关的讲座很震惊。(shock)
_____________________________________________________________________________________________________________ .
I feel unqualified to comment on/upon the subject.
The two students were shocked at the lecture about nature.
THANK YOU