北师大版（2019) 必修第二册 Unit 5 Humans and Nature TOPIC TALK & LESSON1 知识点讲练课件(32张ppt)

(共32张PPT)
　Ｕnit５ TOPIC TALK & LESSON 1
　　　　　　知识点讲练
重点词汇
1.comment n.评论;意见　v.评论;发表意见
【教材原句】Comments 评论
【归纳拓展】
make a comment/comments on/about sth对……发表评论
comment on/upon sth对……发表评论
comment that...对……发表评论/表达意见
no comment无可奉告
单句填空
(1)There were a lot of comments 　　　　　her behaviour.
(2)I don’t think we can comment 　　　　　his behaviour.
完成句子
(3)人们总是对我妹妹的穿着品头论足。
People are always 　　　　　　 　　　　my sister’s clothes.
on/about
on/upon
commenting on/upon
2.crowded adj.拥挤的;挤满人的;充满的,挤满的
【教材原句】beautiful,quiet,green,busy,crowded
美丽,安静,绿色,忙碌,拥挤
【归纳拓展】
(1)be crowded with挤满了……
(2)crowd n.人群　vt.挤满;塞满;使拥挤
crowd into挤上;涌入
用crowd的适当形式填空
(1)I want to get there early to avoid the 　　　　　.
(2)It was two weeks before the Spring Festival and the supermarket
　　　　　　　　with shoppers.
完成句子
(3)事故发生时,有一大群人已经到了车站。
　　　　 　　　　 　　　　　had arrived at the station when the accident happened.
(4)我们全都涌进她的办公室,唱“祝你生日快乐”。
We all 　　　　 　 　　　her office to sing “Happy Birthday to you”.
crowds
was crowded
A large crowd　
crowded into
3.shock v.使震惊;使难以置信　n.震惊;令人震惊的事;休克
【教材原句】The two students were shocked at the lecture on nature.
这两个学生听了关于自然的讲座感到震惊。
【归纳拓展】
shocked adj.感到震惊的
be shocked at对……感到震惊
shocking adj.令人震惊的
单句填空
(1)The parents were 　　　　　(shock) by the news that their son needed an operation on his knee.
(2)The 　　　　　(shock) news made me realise what terrible problems we would face.
(3)The news 　　　　　(shock) the public,leading to great concern about students’ safety at school.
(4)The terrible accident was really 　　　　　shock to me.
shocked
shocking
shocked
a
4.lecture n.讲座,讲课;演讲;训斥　v.(开)讲座;讲课;训斥
【教材原句】The two students were shocked at the lecture on nature.
这两个学生听了关于自然的讲座感到震惊。
【归纳拓展】
a lecture on/about ...一个有关……的讲座
give sb a lecture教训某人
lecture sb about/on sth因某事教训某人
单句填空
(1)Please stop 　　　　　(lecture) me!I know I should give up smoking.
(2)She is always lecturing me 　　　　　the way I dress.
翻译句子
(3)I took notes during the lecture.
(4)She has lectured all over the world.
lecturing
about/on　
我听讲座时记了笔记。
她在世界各地做过演讲。
5.survive v.活下来;幸存
【教材原句】A fisherman is trying to survive a storm.
一个渔夫正试图躲过暴风雨。
【归纳拓展】
(1)survive on靠……存活
(2)survivor n.幸存者;生还者
survival n.幸存
用survive的适当形式填空
(1)The film Titanic is based on an experience of a 　　　　　.
(2)A lot of small companies are fighting for 　　　　　.
完成句子
(3)幸运的是,他在车祸中幸存了下来。
Fortunately,he 　　　　　 　　　 　　　 　　　　　.
(4)这家人靠这么点薪水难以生活。
The family can’t 　　　　　 　　　　　such a small salary.
survivor　
survival
survived the car accident　
survive on
6.frightened adj.受惊的;害怕的
【教材原句】The moment I heard the word I became very frightened.
我一听到这个词就变得非常害怕。
【归纳拓展】
(1)be frightened to do sth害怕做某事
be frightened to death吓得要死
(2)frighten vt.使惊吓;使惊恐
frightening adj.令人害怕的
单句填空
(1)—Why do you have a 　　　　　look
—Because you almost 　　　　　me to death by your 　　　　　mask(面罩).(frighten)
(2)Do you like to see 　　　　　(frighten) movies
(3)　　　　　 (frighten) by the accident,the little girl cried.
(4)He is frightened 　　　　　　(look) down from the top floor of the building.
完成句子
(5)想到此事可能会再次发生就令人不寒而栗。
　　　 　　　 　　 　　 　　　 　　　　that it could happen again.
frightened
frightened
frightening
frightening
Frightened
to look
It is frightening to think
7.curious adj.好奇的;求知欲强的
【教材原句】After a while,I became curious about the whirlpool itself.
过了一会儿,我开始对漩涡本身感到好奇。
【归纳拓展】
(1)be curious about对……好奇
be curious to do sth很想做某事
(2)curiously adv.好奇地;奇怪地
curiosity n.好奇心
out of curiosity出于好奇
satisfy one’s curiosity满足某人的好奇心
单句填空
(1)People have always been curious 　　　　　how life on the earth began.
(2)Little John has 　　　　　　(curious) about all the things he has met.He found a soap and tasted it yesterday.
(3)I am curious 　　　　　　　　(know) what he has said.
(4)The little boy looked at the magician 　　　　　(curious).
完成句子
(5)出于好奇,她读了那封信。
She read the letter 　　　 　　　 　　　　　.
(6)我们对新邻居很好奇。
We 　　　 　　　 　　　　 　　　　the new neighbour.
about
curiosity　
to know
curiously
out of curiosity　
are very curious about
8.equal adj.相等的;相同的　v.比得上;等于
n.同等的人;相等物
【教材原句】...the second,between two objects of equal extent,round objects fell down more rapidly...
……第二,在两个同等长度的物体之间,圆形物体下落的速度更快……
【归纳拓展】
(1)be equal to胜任;相等
equal sb in sth在某方面与某人匹敌
be without equal=have/has no equal 无与伦比;没有对手
(2)equally adv.平等地;同样地
equality n.平等;相等
单句填空
(1)The architecture here is equal 　　　　　any in the world.
(2)No one can equal him 　　　　　strength.
(3)Boys and girls are 　　　　　;and they should be treated 　　　　　,
but in many places in the world many girls are still struggling for
　　　　　.(equal)
(4)Fitness is important in sport,but skills are 　　　　　(equal) important.
同义句转换
(5)No one can equal him in basketball.
→He has 　　　　 　　　　　in basketball.
to
in
equal
equally
equality
equally
no equal
9.extent n.面积;长度;范围;程度
【教材原句】...the second,between two objects of equal extent,round objects fell down more rapidly...
……第二,在两个同等长度的物体之间,圆形物体下落的速度更快……
【归纳拓展】
to some extent在某种程度上
to a certain extent在一定程度上
to a great extent在很大程度上
in extent就(面积/长度/范围)而言
单句填空
(1)The road is nearly ten miles 　　　　　extent.
写精彩 完成句子·背诵
(2)她的论证在某种程度上是符合事实的。
　　　 　　　　 　　　　　what she argues is true.
(3)损坏的程度如何
What’s 　　　 　　　　 　　　 　　　　 　　　　　
(4)透过上方的窗户我们可以看见公园的全景。
From the top window we could see 　　　　 　　　　 　　 　of the park.
in
To some extent
the extent of the damage
the full extent
10.escape v.逃离;逃避　n.逃避;逃离
【教材原句】Without waiting,I jumped into the sea to try and escape.
没等多久,我跳进海里试图逃跑。
【归纳拓展】
escape from从……逃跑,逃脱
escape doing sth逃脱做某事
escape punishment/being punished 逃脱惩罚
escape sb被某人遗忘;未被某人注意
escape one’s notice/attention 某人没注意
escape death死里逃生
fire escape太平梯,安全梯;安全出口
make one’s escape逃跑
a narrow escape勉强逃脱
单句填空
(1)She managed to escape 　　　　　the burning car.
(2)She narrowly escaped 　　　　　　　(kill).
(3)He was lucky to escape 　　　 　　　(punish).
(4)The pilot escaped 　　　　　(die) by seconds.
from
being killed
being punished/punishment
death　
重点句式
1.the moment 一……就……
【教材原句】The moment I heard the word I became very frightened.
我一听到这个词就变得非常害怕。
【归纳拓展】
名词词组the moment用作连词引导时间状语从句,表示“一……就……”,意义上和as soon as相近。有相同用法的还有the minute,the second等。
常用作连词的名词词组还有every time,each time,the first/last time,next time等。
单句填空
(1)　　　　　 soon as relations improve they will be allowed to go.
(2)He fell in love with the place 　　　　　first time he came here.
完成句子
(3)他每次来总是给我带些礼物。
　　 　　 　　　 　　　　 　　　　　,he brings me some gifts.
(4)每次发生地震都会有很多人死去。
Many people die 　　 　　 　　　　　　an earthquake happened.
As
the
Every/Each time he comes
every/each time
2.the+比较级,the+比较级 越……,就越……
【教材原句】The first,the larger the bodies were,the more rapidly they fell...
首先,物体越大,下沉的速度越快……
【归纳拓展】
“the+比较级,the+比较级”是一个固定句式,意为“越……,就越……”,相当于一个复合句,其中前面的句子是状语从句,后面的句子是主句。
单句填空
(1)The harder you work,the 　　　　　(great) progress you will make.
(2)The more English you practice,the 　　　　 (good) your English will be.
(3)The 　　　　　(busy) he is,the happier he feels.
(4)The more he practices,the 　　 　　　(quick) he can run.
完成句子
(5)战争持续越久,那里的人们受难就越多。
　　　　 　　　　 　　　　 　　　　 　　　　　,the more people there will suffer.
greater
better
busier　
more quickly
The longer the war lasts
3.why引导的定语从句,that引导的表语从句
【教材原句】As you can see,the reason why I’m here to tell the story is that I made the right decision.
如你所见,我在这里讲述这个故事的原因是我做出了正确的决定。
【归纳拓展】
在本句中,why引导定语从句,that引导表语从句,构成句式“the reason why...is that...”,意为“……的原因是……”。
that is why...那就是……的原因
that is because...那是因为……
单句填空
(1)He was late.That was 　　　　　it was raining.
(2)It was raining.That was 　　　　　he was late.
(3)From space,the earth looks blue.That is 　　　　　about seventy-one percent of its surface is covered by water.
(4)I am afraid he’s more of a talker than a doer,which is 　　　　　he never finishes anything.
(5)One reason for her preference for city life is 　　　　　she can have easy access to places like shops and restaurants.
because　
why
because　
why
that
4.with复合结构
【教材原句】Some time after I left the boat,with my brother in it,it was pulled into the bottom of the whirlpool.
我离开了船一段时间后,船被拉进了漩涡的底部,我的兄弟还在上面。
【归纳拓展】
在with的复合结构中,不同形式的宾语补足语表示不同的用法。
(1)动词-ing形式作宾语补足语表示动作正在进行,和宾语之间是逻辑上的主谓关系。
(2)过去分词作宾语补足语表示动作已经完成,和宾语之间是逻辑上的动宾关系,也就是被动关系。
(3)动词不定式作宾语补足语表示动作暂时没有发生,有将来的含义。
(4)形容词、副词、介词短语作宾语补足语表示宾语的特征或性质。
单句填空
(1)With so many people 　　　　　(look) at her,she felt nervous.
(2)With nothing 　　　　　(do),he slept the whole afternoon.
(3)John received an invitation to dinner,and with his work 　　　　　(finish),
he gladly accepted it.
(4)I couldn’t put my heart into my lessons with all that noise 　　　(go) on outside.
(5)With prices 　　　　　(go) up so fast,many people have a hard time.
(6)You have no idea how she finished the race 　　　her foot injured so much.
looking
to do
finished
going
going
with