北师大版选修七：Unit 19 Language Lesson 1 Language points课件（24张ppt）

(共24张PPT)
objective
To use the following words and expressions correctly
latter update conflict
stain assess
dawn on/upon sth/sb
It dawned on sb that
In the 18th and 19th centuries, especially the latter, the most common theme in science fiction novels was the future.
在18和19世纪，特别是后者，科幻小说的最常见的主题是未来。
latter the second of two things
在句中作名词，意为后者
Did he walk or swim The latter seems unlikely.
他是散步还是游泳？后者看来不太可能。
She offered me more money or a car and I chose the latter.
她提出给我更多的钱或者一辆汽车，我选择了后者。
The problems arose in the latter part of the project.
问题出现在项目的后半部分。
拓展
latter
adj. 后者的 (=being the second of two things, people or groups, or the last in a list)”
the latter half of the season/the year
下半季度/下半年
2. update
vt. 使现代化；更新(= to make sth more modern by adding new parts)
The Department of Education intended to update the textbook.
教育部门打算更新课本。
The library will update the files of the book every month.
图书馆将会每月更新书籍档案。
1) Between captain and major, the _______is the higher rank.
A. late B. lately
C. latter D. other
2) The software against the viruses should be _______ once a week.
A. updated B. renewed
C. repaired D. got
practice
3. conflict
n. “斗争；冲突(= serious disagreement; argument; struggle; fight)”
The conflict between the two countries became worse.
两国间的冲突变得更剧烈。
I remember he was present during the conflict.
我记得发生冲突时他在场。
拓展
conflict 还可用作不及物动词，意为“抵触，冲突”，与with 连用。
Our political views conflict.
我们的政治观点相抵触。
Their account of events conflicts with ours.
他们对事件的说法与我们的说法完全不同。
常见短语
come into conflict with
和……冲突
in conflict with
同……相冲突
conflict over
关于……的冲突
你的陈述同其余证据有矛盾。
Your statement is in conflict with the rest of the evidence.
2. 两个证人的证词不一致。
The statements of the two witnesses
conflict.
3. 我不希望在这件事情上和她发生矛盾。
I don’t wish to come into conflict with
her on the matter.
practice
4. stain a dirty mark on something that is difficult to remove n. 污点，瑕疵
There’s an ink stain on your shirt.
你的衬衫上有一个墨水斑。
I can’t get these coffee stains out of the carpet.
我弄不掉地毯上的咖啡污迹。
stain 还可表示品德上的污点
He left the court without a stain on his character.
他走出法庭，名声清白如故。
stain 作动词，“弄脏，玷污”
The coffee stained his shirt brown.
咖啡把他的衬衫染上了棕色。
拓展
stainless adj. 无污点的，无瑕疵的
1) George has a big coffee _______ on the front of his jacket.
A. spot B. mark
C. stain D. patch
2) Please be careful when you are drinking coffee in case you _______ the new carpet.
A. crash B. pollute
C. spot D. stain
practice
5. assess
vt. 评价；评估(= to make a judgment about the nature or quality)”
He can quickly assess a person’s character.
他能很快地评定出某人的品质。
It’s difficult to assess the impact of the president’s speech.
总统讲话的影响很难估计。
【assessment n. 评价，估计】
Governor Rockefeller was shocked by what had happened and appointed a committee to _________ the responsibility.
A. value B. measure
C. assess D. decide
practice
Let the word fly
dawn on/upon sth
白昼来临于某处，给某处以光明
dawn on/upon sb
逐渐被人知晓，明白
It dawned on sb that
突然意识到
1. 一个灰蒙蒙的白昼降临于这座沉睡的城市。
2. 你总有一天会明白真相。
3. 我突然意识到我乘错了火车。
1. A grey day dawned upon the sleeping city.
2. The truth may one day dawn upon you.
3. It suddenly dawned on me that I’d caught the wrong train.
Translation
Game Time
Now in groups, make up as many sentences as possible with the phrases and sentence pattern above. Then present it before class. Let’s see which group is the most productive.
for fun; live on; die of; carry out; be suitable for; click into; base sth. on sth.
用方框内所给短语的正确形式填空，每个短语限用一次。
1. If we don’t take action to save the earth, there will be fewer and fewer places which 　　　
________________ living.
2. It was clear from the very beginning that he never intended to _________ his promise.
3. You won’t be rich as a teacher, but you’ll have enough to __________.
are suitable for
carry out
live on
4. They lost their way in the desert and 　 　　
__________ thirst.
5. He doesn’t just write _______; writing is his bread and butter.
6. Do you like his music _________ the website above, please!
7. He ______ his conclusions ____ the
evidence given by the prisoners who had been caught.
for fun
died of
based on
Click into
Translate and write them down.
1. 我需要你帮我更新护照。
I need you to update my passport.
2. 他衬衫上有块墨渍。
He’s got an ink stain on his shirt.
3. 这双鞋破的不能再穿了。
These shoes are worn out.
4. 我们寻思着下个四月举行婚礼可好。
We were wondering about next April for the wedding.
5. 小鸟主要靠食昆虫为主。
Small birds live mainly on insects.
6. 他们渴死的或饿死的。
They died of thirst or starvation.
Homework
Review the language points we’ve learned today and make sentences with the phrases.