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[必修2] Unit 2 Section A【教案】-2021-2022学年高一英语同步精品教案(人教版2019必修第二册

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发表于 2025-9-27 16:29:41 | 显示全部楼层 |阅读模式
  • (教材P14) Up to 73 million sharks end up in shark fin soup each year. 每年有多达7300万条鲨鱼最后出现在鱼翅汤中。
  • end up意为___________,后接v.-ing形式或介词短语。(以...)结束
end up in prison/failure 最终会坐牢/失败
end up with... ...而结束·.....
I ended up telling him everything although I tried not to.虽然我试图不说,但是结果我还是把一切都告诉他了。
The students ended up their class meeting with a chorus singing. 学生们以合唱结束了班会。

  • end up as sb./sth.意为___________,as表示“作为,当”含义。最终成为/变得
In spite of the people's opinions, she ended up as the winner.尽管众说纷纭,最后她还是成了胜利者。
  • end up+形容词,意为___________。表示“最终处于.·····的状态”。
If he carries on driving like that, he'll end up dead.如果他继续那样开车,总有一天会把命都丢掉。
归纳拓展
in the end 最后;终于
make(both)ends meet使收支相抵;勉强维持生计
单句语法填空
  • Smell the flowers before you go to sleep, and you may just end up ________ sweet dreams.
  • Joining the firm as a clerk, he got rapid promotion,and ended up ________ a manager.
  • If you go on doing that kind of thing, you’ll end up _______ prison.
  • You’ll end up ________ (get) burnt if you don't keep away from the fire.
  • After gaining two fortunes, he ended up _________ (poorly) when he died.
1.(1)with (2)as (3)in (4) getting5)poor
  • (教材P14) Our planet's _________ is dying out at an alarming rate. 我们星球的________正在以惊人的速度消失。
die out
  • 意为___________灭绝;绝种
How did the dinosaurs die out?恐龙是如何灭绝的?
  • 意为___________ (习俗等)逐渐消失
Many old customs are gradually dying out.许多旧习俗都在逐渐消失。
  • 意为___________ (火)逐渐熄灭;(风等)逐渐停止
Once the fire has died out,the rescue team will move in.一旦大火熄灭,救援队就会马上进入。

归纳拓展
die off相继死去;先后死去
die for·······而死
be dying to do sth.渴望做某事

alarming
alarming词性_______词义_______ adj.使人惊恐的;令人惊慌的;引起恐慌的
at an alarming rate/speed 以惊人的速度
The rain forests are disappearing at an alarming rate. 雨林正以惊人的速度消失。

归纳拓展
  • alarm词性_______词义_______ n.惊恐;惊慌;警报;闹钟 vt.使惊恐;使害怕
in alarm 惊恐地
sound the alarm 发出警报
alarm bells 警铃

  • alarmed词性_______词义_______ adj.惊恐的;惊慌的
be alarmed at/by ·····感到惊恐

单句语法填空
  • Everybody was _______ (alarm) at the news that a war might break out.
  • If a smoke detector sets off ________ alarm in the kitchen, you should react quickly.
  • It was _______ (alarm) that the virus had caused 11 deaths.
1.(1)alarmed2)the3)alarming
翻译句子
人口正以惊人的速度下降。______________________________________
2. The population is dropping at an alarming speed.
rate
  • 词性_______词义_______ n.[C]速度;进度,常与介词at搭配,相当于speed.
at a rate of...····的速度
Most people walk at an average rate of 5 kilometers an hour.大多数人步行的平均速度为每小时5千米。

  • 词性_______词义_______ n.[C]比率;率
birth/death rate 出生率/死亡率
rates of exchange/interest 汇率/利率
There has been a gradual increase in the birth rate.出生率在逐渐增长。

  • 词性_______词义_______  n.[C]价格;费用
What is the advertising rate in your newspaper? 你们报纸的广告价格是多少?

  • 词性_______词义_______  vt.评估;评价;估价
rate...as...看作
rate...among...认为/把······算作·······之一
The show was rated as a success by critics and audiences.评论家和观众都认为这次演出是成功的。

归纳拓展
at any rate 无论如何,不管怎样

写出rate的含义
  • Prices keep rising at a rapid rate.1.(1)速度
  • His house was rated at one million dollars.(2)估价
  • The exchange rate between the dollar and the RMB is changing.(3)率

单句语法填空
  • I may be away on business next week but _______ any rate I'll be back by Friday.2.(1)at
  • China and India _______ (rate) as the most attractive markets now.(2) are rated

  • (教材P14) We must make people aware of the problem and help the endangered wildlife before it's to late! 我们必须让人们意识到这个问题,并在为时已晚之前帮助濒危野生动物!
aware
aware词性_______词义_______ adj.知道;意识到;明白;发觉(其后常与of搭配)
be aware of明白/意识到
make sb. aware of 使某人明白/意识到
As far as Im aware... 据我所知...
He was well aware of the problem.他很清楚这个问题。
Everybody should be made aware of the risks involved.应该让人人都知道其中的风险。
I was aware that she was trembling.我察觉到她在发抖。

归纳拓展
  • awareness词性_______词义_______  n.意识
environmental awareness 环境意识
raise the awareness of sth. 加强对某事物的意识

  • unaware词性_______词义_______  adj.不知道的;没意识到的;未察觉的
be unaware of 不知道...

单句语法填空
  • People should be made aware ______ the lack of water.
  • She hadn't read the letter and so was ______ (aware) of its contents.
  • It is important that students develop the ______ (aware) of how the Internet can be used.

翻译句子
她知道他正在生气。______________________________________
(1)of (2) unaware3)awareness .She was aware that he was angry.

endanger
endanger词性_______词义_______ vt.使遭危险;危及;危害(后面接名词或代词)
A heart attack may endanger the patient's life. 心脏病发作可能危及患者的生命。
Development of the area would endanger wildlife. 开发这一地区将会危及野生生物。

归纳拓展
  • danger词性_______词义_______  n.危险
in danger (of) 在危险中,有·······的危险
out of danger 脱离危险
be a danger to ...是危害,威胁

  • dangerous词性_______词义_______  adj.危险的
  • endangered词性_______词义_______ adj.濒临灭绝的/有生命危险的

单句语法填空
  • This type of snake has been declared an _______ (danger) species. [ˈspiːʃiːz] n.种,物种
  • It is _______ (danger) to walk on thin ice in a lake.
  • The flood was _______ danger to the livelihood of the people there.
  • This kind of animal is in danger of _______ (become) extinct.
答(1)endangered2)dangerous3)a4)becoming
  • (教材P14) How many elephants are killed on average every day? 平均每天有多少头大象被杀死?
  • 词性_______词义_______  n.平均水平;一般水准
on average 平均;基本上;大体上
above/below average 高于/低于平均水平
About 400 people a year die of this disease on average.平均每年有大约400人死于这种疾病。
These exam results are above average.这些考试成绩高于平均水平。
  • 词性_______词义_______ n.平均数(后常接介词of)
an average of...   ···的平均数
Parents spend an average of $220 a year on toys for their children.
父母为孩子买玩具的花费平均每年为220美元。
  • 词性_______词义_______  adj.平均的;普通的;(数量)中等的
The average age of the boys in this class is fifteen. 本班男生的平均年龄是15岁。
I was just an average student. 我只是一个普通的学生。

写出average的含义
  • Tom's work at school is above average. (1)平均水平
  • He is an average man; there's nothing special about him.(2)普通的
  • It takes an average of ten weeks for them to sell a house.  (3)平均数

翻译句子
  • 此时的温度低于平均水平。
The temperature now is below average.
  • 大体上,普通人生活得幸福。
On average,average people live happily.
  • (教材P14) China has made a lot of progress.中国取得了很大的进步。
  • make progress意为__________。后接介词in,表示__________,progress此处是__________名词。 进步,进展/ “在·····方面取得进步、进展”/不可数
make great/rapid progress in (doing) 在(做)·······方面取得大/迅速的进步
The medical community continues to make progress in the fight against cancer.医学界在抗癌的斗争中不断取得进步。
  • make progress意为__________  前进;行进
There wasn't much traffic so we made good progress.来往车辆不多,所以我们开得很快。

归纳拓展
  • in progress 在进行中
  • progress还可意为__________ vi.进展;进步

单句语法填空
  • We have made progress in _________ (improve) skills of reading.
  • The game was already ________ progress when we took our seats.
  • Our cooperation _________ (progress) in the past decade.
1.(1)improving (2)in(3)has progressed
  • (教材P15) I'm concerned about the African elephants.我关心非洲大象。
  • 词性_______词义_______ vt.&vi.让(某人)担忧;关心;关注
It concerns sb.that...令某人担忧的是。。。。。。。
concern oneself with/over/about关心;担心
It concerns me that you no longer seem to care me. 你似乎不再在乎,这令我担忧。
She is always concerning herself about him. 她一直在关心他。

  • 词性_______词义_______ vt.涉及;与····有关
concern sb./sth. 涉及到某人/某事
This is a great event that concerns the future of our company.这是关系到我们公司前途的大事。

  • 词性_______词义_______ n.[U]担心,关切;[C]关心的事
show/feel concern about/over/for... ······表示担心/关心/挂念····
The report expressed concern over continuing high unemployment.报告表达了对失业率居高不下的忧虑。
归纳拓展
  • _________ (adj.)关心的;担忧的concerned
be concerned about/for 关心;挂念
be concerned with ·····有关
as/so far as sb./sth. is concerned ······而言
  • ________ (prep.)关于,常用于名词或代词后。concerning
  • concerned做前置定语时,表示________;做后置定语时,表示________。“担心的,忧虑的”/“有关的”
单句语法填空
  • Nowadays people are more ________ (concern) about the environment where they live.
  • A good doctor should always concern ________ (he) with his patients.
  • As a grassroots singer, she reads everything ________ (concern) music.

翻译句子
忧心忡忡的家长们开了一次与他们孩子的教育有关的会议。
1.(1)concerned (2)himself (3)concerning3.Concerned parents held a meeting concerning
the education of their children.
  • (教材P15) Elephants need large living spaces,so it's difficult for them to adapt to the changes. 大象需要很大的生存空间,因此它们很难适应这种变化。
  • 词性_______词义_______  vt.&i.(使)适应。常与介词to连用,to后接名词、代词或动名词。
adapt (oneself) to (doing)sth. (使)适应(做)某事
It took him a while to adapt himself to living in his new surroundings.
他过了好一阵子才适应了在新环境中生活。
  • 词性_______词义_______  vt.改编;改写
adapt sth.for sth. ...改编成.....
adapt sth.from sth. 根据。·····改编。。。。。。。
He is going to adapt his play for television. 他打算把自己的剧本改编成电视剧。
This play is adapted from a novel written by Dack.这个剧本是根据达克写的一部小说改编的。

  • 词性_______词义_______  vt.使适合(新用途、新情况);改造,其后常接for use.
Most of these tools have been specially adapted for use by disabled people.
这些工具大多数已经过特别改装,供残疾人使用。
归纳拓展
_________ (n.)改编本;改写本;适应adaptation
_________ (adj.)有适应能力的;能适应的adaptable

易混辨析adapt/adopt
易混词
区别
adapt
  • vt.&vi.(使)适应(与介词to连用)
  • vt.改编(与介词for或from连用)
adopt
  • vt.收养adopt a child收为养子/女
  • vt.采取;采用

单句语法填空
  • This text is adapted ________ a story in Chinese Literature.
  • This building has been adapted ________ the dormitory(寝室)of the students.
  • A desert plant adapts to ________ (live) in a dry habitat.
  • The play is an ________ (adapt) of a short novel.
1.(1)from2)for3)living4)adaptation
  • (教材P15) What measures are being taken to help them?正在采取什么措施来帮助他们呢?
  • 词性_______词义_______  n.措施;方法
take measures to do sth.采取措施做某事(=take steps to do sth.)
We must take preventive measures to reduce crime in the area.
我们必须采取预防措施来减少这个地区的犯罪。
  • 词性_______词义_______  n.度量单位;尺寸,分量
make...to measure 根据尺寸定做某物(衣服)
take sb.'s measure给某人量尺寸
The metre is a measure of length. 米是长度单位。
Do you make suits to measure? 你定做西装吗?
  • 词性_______词义_______  vt.测量,通常是表示人的名词或代词做主语。
He measured the height of the cupboard. 他量了碗橱的高度。
  • 词性_______词义_______  vt.量度为,通常是表示物的名词做主语,不用被动语态。
The room measures 25 feet across. 这个房间宽25英尺。
  • 词性_______词义_______ vt.权衡,使相比较,常与介词against连用。
measure...against... 权衡...... -weigh...against...
I measured the benefits of the plan against the risks involved.
我认真权衡了这个计划的优点和有关的风险。
单句语法填空
  • I want the suit made _________ his own measure.
  • The house is more than twenty meters long and _________ (measure) six meters in width.
  • He _________ (measure) for a new suit yesterday.
  • We hope the government will take effective measures _________ (reduce) pollution.
Answer 1.to 2.measures 3.was measured 4 to reduce
  • (教材P15) The authorities are under pressure to build elephant parks and tell people not to buy elephant products.当局在压力下建立大象公园,并告诉人们不要买大象产品。
  • 词性_______词义_______  n.[U]压;挤压
apply pressure to 压住/按住
The nurse applied pressure to his arm to stop the bleeding. 护士压住他的胳膊止血。
  • 词性_______词义_______ n.[U]气压
A band of high/low pressure is moving across the country. 一股高/低气压正经过这个国家。
  • 词性_______词义_______ n.[U]压力;要求
under pressure 在压力下;承受压力
place/put pressure on sb.给某人施加压力
The team performs well under pressure. 这个队在压力下表现良好。
He may have put pressure on her to agree. 可能向她施加了压力,迫使她同意。

归纳拓展
_____________ (vt.)压,挤,推,施加压力press
press sb.to do sth. 催促某人做某事

单句语法填空
  • He changed his mind _________ the pressure from others.
  • They put pressure _________ the government to change its policy.
  • The kids ________ (press) to do what they will not do.
1.(1)under (2)on (3)are pressed
翻译句子
  • 他们顶着压力去接受这个任务。______________________________
  • 不要对孩子施加太多压力。______________________________
2.(1)They were under pressure to take this task.2)Don't place/put too much pressure on the kids.
  • (教材P16) What do you know about the Tibetan antelope and the Changtang National Nature Reserve? 你对藏羚羊和羌塘国家级自然保护区有什么了解?
  • 词性_______词义_______ n.[C](动植物)保护区;自然保护区。
a wildlife reserve野生动植物保护区
Are you for building highways in a wildlife reserve? 你赞成在自然保护区修公路吗?
  • 词性_______词义_______  vt.预订,预约(座位、席位、房间等)
reserve a ticket 订票(=book a ticket)
I'd like to reserve a table for three for eight o'clock. 我想预订八点钟供三人用餐的桌位。
  • 词性_______词义_______ vt.保留;贮备
These seats are reserved for special guests. 这些座位是留给贵宾的。
  • 词性_______词义_______ vt.拥有,保持,保留(某种权利)
The management reserves the right to refuse to issue the document. 管理部门有权拒绝签发这份文件
归纳拓展
___________ n.预订;预约reservation
make a reservation for 预订

单句语法填空
  • I’ll call the restaurant and make a _________ (reserve).
  • “It's such a nice place,” Mother said as she sat at the table _________ (reserve) for customers.
1.(1)reservation (2)reserved
  • (教材P16) On the plain in front of us, we can just make out a herd of graceful animals.在我们面前的平原上,我们隐约可以看到一群体形优美的动物。
  • make out意为_______________ 看清;听清;分清。相当于figure out.
I could just make out a figure in the darkness. 黑暗中我只看出了一个人的轮廓。
  • make out意为_______________  开具,填写(表格或文件)
He made out a cheque for 10,000 pounds. 他开了一张1万英镑的支票。
  • make out意为_______________  理解
She was a strange sort of person; I couldn't make her out. 她这个人有些古怪,我不能理解她。

  • (教材P16) This is why we’re here —— to observe Tibetan antelopes.
这就是我们来这里的原因-观察藏羚羊。
  • 词性_______词义_______ vt.注意到;观察到
observe sb. do /doing sth. 观察某人做了/正在做某事
be observed to do/doing sth. 被看见做了/正在做某事
The police observed a man enter the bank. 警察注意到一个男人走进了银行。
He was observed to follow her closely. 有人看到他紧跟着她。
  • 词性_______词义_______ vt.说话;评论,后接that从句。
She observed that it was getting late. 她说天色晚了。
  • 词性_______词义_______ vt.遵守(规则、法律等),相当于obey,后接名词做宾语。
Will the rebels observe the ceasefire? 叛乱者会遵守停火协议吗?
The crowd observed a minute's silence in memory of those who had died.
众人为死者默哀一分钟。
  • 词性_______词义_______  vt.庆祝;庆贺,相当于celebrate.
Do they observe Christmas? 他们过不过圣诞节?

归纳拓展
_____________ (n.) 观察observation
_____________ (n.) 观察者;观察员observer

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