人教版（2019）选择性必修第二册Unit 1 Science and Scientists Language points上课课件 (共20张PPT)

(共20张PPT)
Unit 1
Science and Scientists
Language Points
Cholera used 1._____(be) one of the most feared 2._______ (disease) in the world, until a British doctor, John Snow, showed how it could be overcome. He was3._____a famous doctor that he even attended to Queen Victoria when she gave birth. However, he never lost his desire 4. ___________ (destroy) cholera once and for all. Many people died every time there was 5. ___ outbreak because no one knew the cause of it.
John Snow wanted to help solve the problem. He got 6.___________ (interest) in the second theory 7.____________(explain) how cholera killed people. When another outbreak hit London, he was ready 8._________ (test) the theory.9._______ the help of the map he made, he got a valuable clue about the cause of the disease and was able to announce that the water was 10.________ (blame).
Summary
explaining
to be
diseases
such
to destroy
interested
an
to test
to blame
With
重点词汇
1.cholera n.　　　　
2.contradictory adj.　 　 　　　
3.raw adj.　　 　 　
4.pure adj.　 　　　
5.　　　　　 adj.极为恶劣的;十分严重的;严厉的
6.　　　 　　adj.懊恼的;沮丧的;失意的
7.　　　　　 vt.使感染;传染→　　　 　　 n.感染;传染
8.　　　　　 vt.认购(股份);定期订购;定期交纳(会费)
9.　　　　　 vt.&vi.怀疑;疑有;不信任　n.犯罪嫌疑人;可疑对象
霍乱
相互矛盾的;对立的;不一致的
未煮的;生 的;未经处理的;原始的
干净的;纯的;纯粹的
frustrated　
infect
infection
subscribe　
severe
suspect
10.　　　　　 vt.把……归咎于;责怪;指责　n.责备;指责
11.　　　　　 n.把手;拉手;柄　vt.处理;搬动;操纵(车辆、动物、工具等)
12.　　 　　　 n.介入;出面;干涉
13.　　　　　 n.联系;纽带　vt.把……连接起来;相关联
14.　　 　　　 n.减少;降低;减少量　vt.&vi.(使大小、数量等)减少;减小
15.　　 　　　 vt.使改观;使改变形态　vi.改变;转变
handle
intervention
link
decrease
transform
blame
重点短语
1.　 　 　 最终地;彻底地
2.　　　 　　 同意;赞同
3.　　 　　　 幸亏;由于
5.　　 　　　 照料;照顾
6.die from 　 　　　
7.give birth 　 　　　
8.in general 　 　　　
9.find out 　 　　　
10.as a result of　 　　　
once and for all
subscribe to
thanks to
attend to
死于……
分娩　
一般来说　
查明　
由于……
1. subscribe vi. 认购(股份)；定期订购；定期交纳(会费)
________________n．订金；订阅；签署
________________n．订户；捐献者
subscription
subscriber
Many students want to subscribe to this newspaper.
How many shares did you subscribe for in the new company
I can’t subscribe to your plan because it is not reasonable.
Eg. She used to subscribe ________ an environmental action group.
subscribe to 订阅(报纸、杂志等)；签字认可，同意；向……捐赠
subscribe for 预定；认购
to
2. suspect vt. &. vi. 怀疑；疑有；不信任
n．犯罪嫌疑人；可疑对象
They suspect him of a theft.
I suspected that there was something wrong with the engine.
Pilcher was suspected of giving away the company’s secrets to others.
suspect sb/sth of...怀疑某人/某事……
suspect sb of doing...怀疑某人做……
Translation: 我怀疑他是扒手（pickpocket）
I suspect that he is the pickpocket.
I suspect him to be a pickpocket.
①The boss suspected him 　　　　taking the computer away from the company.
②I suspect him 　　　　(be) the pickpocket whom the police are looking for.
of
to be
3. blame n. 过失；责备 vt.把……归咎于;指责
Everyone put / laid the blame on me.
2. The headmaster wanted to find out who was to blame for the fire.
put / lay the blame on 怪在······身上
blame sth. on sb./sth 把某事 归咎于 某人/某物
be to blame ( for sth.) (对某事)负有责任
Don’t always blame your own failure on others. Sometimes you yourself are to blame.
不要总把自己的失败归咎于他人。有时该怪的是你自己。
Translation
1.Who is ___________(blame) for the problem of robocalls
2.Lots of people find it hard to get up in the morning, and put the blame _____the alarm clock.
to blame
on
4. link n.联系;纽带 vt.把……连接起来;相关联;挽住
The newly-built subway will link the airport to the city centre.
Yellow is generally linked with confidence, self-respect and friendliness.
In my opinion, there is a close link between teachers and students.
link... to /with... 把……与……连接/联系起来
be linked to/with... 与……有联系/关系　
a link between...and... ……与……之间的关系/联系　
a link between...and... ……与……之间的关系/联系
link... to /with... 把……与……连接/联系起来
be linked to/with... 与……有联系/关系
There is convincing evidence of a link between exposure to sun_______ skin cancer.
The doctors link cigarette smoking______ cancer.
The hearts of the people of all the countries 　 　　　(link) to each other.
and
to
are linked
5.decrease n.减少;降低;减少量vt.&vi.(使大小、数量等)减少;减小;降低(decline; go down)
单句填空
①There has been a decrease 　　　　the number of employees this year.
②After taking the medicine,his temperature decreased 　　　　36.8 ℃.
③Five years ago,the population of the village was 2,000.Now it’s 1,500,which means that it’s decreased 　　　　25%.
in
to
by
(1)decrease in... 在……(方面)降低/减少 decrease to... 减少到…… decrease by... 减少了……
(2)a decrease in 在……(方面)减少 on the decrease 在减少
【词汇拓展】
decrease in... 在……(方面)降低/减少
decrease to减少到
decrease by减少了
on the decrease在减少
Average house prices decreased ____13% last year.
去年房子的平均价格下降了13%。
The number of students going abroad for further study is____ the decrease nowadays.
当下去国外继续深造的学生数量在不断减少。
by
on
6.transform vi.& vt.转化;转换;改造
单句填空
①I learned a lot about how to extend the life of objects and transform them 　　　　_____________something new and useful.
②I was a student and had my life totally 　 　　　(transform) by that experience.
③The past ten years has witnessed a complete 　 　　　(transform) of my hometown.
4.It is a surprise that the city has been transformed from a small town into a modern industrial center in recent ten years.
into
transformed
transformation
transform...into... 把……转变成……
transformation n.转化; 改变
transform...from...into...把……从……变成……
7. 直到半夜雨才停下来（translation）
It was not until midnight that it stopped raining.
It didn’t stop raining until midnight.
强调句
倒装结构
Not until midnight did it stop raining.
The food is so delicious that you don't need much of it to make you happy.
She made so good a meal that we all ate far too much.
He has so much money that he can buy what he wanted.
My sister is so lovely a girl that all my friends like her.
My sister is such a lovely girl that all my friends like her.
8. The boy ran so fast that I couldn’t catch him.
so+ adj/adv + that…
so+ adj+a/an +n +that
so+ many/few/much/ little +n+ that
such…that
such+ a/an +n+that
This book is ______interesting that I want to read it again.
She is _______ beautiful a girl that everyone loves her.
He has ______ many books that I can‘t count them.
There was______ much food that we couldn't eat it all.
This is ______ an interesting book that we all enjoy reading it.
They are _______ interesting books that we all enjoy reading them.
Practice
so
so
so
so
such
such
Ⅰ.单句填空
1.The official says that few people are infected 　　　　　the virus owing to the effective prevention.
2.After spending some time looking at all the 　　　　(defend) equipment at the wall, we decided it was time for some action.
3.I need a new passport so I will have to have my photograph 　　　　　(take).
4.Your mother is not 　　　　　(blame) for your laziness.
5.His words puzzled me so much that I had a hard time trying to make sense__________ 　what he really meant.
with
defensive
taken
to blame
of
6.This is 　　　　　my father taught me—to always face difficulties bravely and hope for the best.
7.The 　　　　(find) show a critical need to invest in disaster prevention.
8.No matter how much I had tried 　　　　(resist) him, he still influenced me.
9.She admitted that she didn’t know how 　　　　　(handle) the problem.
10. 直到下午五点他们才完成工作。
what
findings
to resist
to handle
It was not until five o’clock in the afternoon that they finished their work.