Unit 2 Cloning Period 2 Learning about Language & Using Language 课件（人教版 选修8，重庆专用）
Ⅰ.单词识记 1．________v. to try to prevent a change from happening 2．________adj. happening at the
beginning 3．________v. to hit or fall against the surface of something 4．________n. a disadvantage of a situation, plan, product etc.
5．________adj. without success in spite of your efforts
6．________adv. used to emphasize how small or unimportant something or someone is
7．________n. an official rule or order
8．________v. to stop working, usually because you have reached a certain age 9．________adj. something that is compulsory must be done because it is the law or because someone in authority orders
10．________v. to annoy or interrupt someone 答案 1.resist 2. initial 3. strike 4. drawback 5. vain 10.bother
6. merely 7. regulation 8. retire 9.compulsory
1．____________状况很好(坏)；情况很好(坏) 2．____________过……的生活 3．____________一定做；注定做 4．____________通向；导致
6．strike...into one's heart____________ 7．from time to time____________ 8．in vain____________ 9．look back on____________ 10．bring back to life____________
1.in good/poor condition
2.lead a．..life 3.be
bound to do
5.be based on
1．It would be unfair to clone any extinct animals if they were to live in a zoo.
It would ＋动词原形，if…were to do..., 这一
件事的始末。 If she________ ________ ________ ________next Monday, I________ ________her about the matter.
2．The more you do this, the more you'll find yourself becoming comfortable with the sound of the language.
the more...，the more...属于“the＋ 比较级，
the＋比较级”句型，意为“越……就越……”。 ________ ________ ________the questions are，________ ________ ________he is able to answer them. 答案 1. were to be here；would tell 2.The more difficult；the less likely
Ⅳ.预读理解 1．Fast Reading: Scan the text and tell the following sentences are true or false. (1)Scientists are still experimenting with cloning mammals because they think it can make money. ( ) (2) The animals that have disappeared from the earth, like dinosaurs, can be brought back to life through cloning.
(3)There is not enough diversity for cloned animals to overcome new diseases. in a zoo.
(4)If we can clone any extinct animals, we should let them live
(5) The DNA of animals more than 10，000 years old is not
suitable for cloning , for it can't survive so long.( 答案 (1)F (2)F (3)T (4)F (5)T )
2．Careful Reading: Read the text carefully and answer the following questions. (1)The writer of the text________． A．is excited by the possibility of cloning fierce and extinct animals B．believes that extinct animals can be brought back to life by cloning
C．thinks it impossible or unsuitable to clone extinct
animals like dinosaurs D．dreams of dinosaurs returning to the earth
(2) The film Jurassic Park is popular because________． A．people are interested in the subject of cloning B．all the actors are dinosaurs C．it was directed by a scientist who clones dinosaurs D．it proves very interesting (3) Which of the following is TRUE? A．Mice were cloned in 1981.
B．Dolly the sheep was the first cloned animal.
C．The name of the cloned cow is “Bison”． D．China was successful in cloning mammals.
(4) The reasons why a group of cloned animals all die of
the same illness do NOT include________．
A. they have the same arrangement of genes B．there isn't enough diversity in the group for it to overcome illnesses C．the illness is a new one
D．their arrangement of genes can not resist that new
(5) We can infer from the text that________．
A．scientists are experimenting to clone dinosaurs
B．dinosaurs will never return to the earth C．cloned animals will only live in the zoo D．the DNA of dinosaurs can only survive 10 000 year 答案 (1)C (2)A (3)D (4)C (5)B
1．owe vt.负债；感激；把……归功于 You owe me a pair of jeans.
你欠我一条牛仔裤。 We owe our success to the education and training our teachers gave us. 我们今天的成就离不开老师对我们的栽培。 He owes it to his doctor's care that he is quite well again. 多亏医生的照料，他的病才好了。
owe sb sth/owe sth to sb
I owe you an apology for having been so rude to you last
The concert has been cancelled owing to lack of support. 由于缺乏支持，音乐会被取消了。
【完成句子】 ①I________ ________ ________ ________which he lent
me last week.
我欠他五元钱，那是他上星期借给我的。 ②He________ ________ ________ ________hard work and patience. 他把他的成就全归功于勤奋和忍耐。 ③The accident________ ________ ________ carelessness. 那次事故是由于粗心大意。 答案 ①owe him 5 yuan ②owes his success to
③was owing to
【句型转换】 ④We missed our flight because of the traffic jam. We missed our flight________ ________the traffic jam. 答案 owing to
2．shortly adv.立刻，不久；简略地，简言之 We arrived shortly before the film started. 我们在电影开始前不久到的。
These animals died out shortly after the Ice Age came to an
end.冰河时期结束后，这些动物很快就灭绝了。 He answers me shortly.他简略地回答我。 shortly before shortly after 在……之前不久 在……之后不久
【翻译句子】 ①The plane will take off shortly. ________________________________________________ ②The temple was rebuilt shortly after the war.
答案 ①飞机马上要起飞了。 ②战后不久就重建了那座寺庙。
3．bother vt.烦扰，使生气，伤脑筋；费心，麻烦 I don't believe they'll bother us. 我想他们不会来找我们的麻烦。
The only thought of her bothered him and made his heart
beat faster. 仅仅想她，这就令他感到心烦意乱，心跳加快。
Sorry to have bothered you with this matter.
(1)bother sb about/with sth 为某事打扰或麻烦某人
bother with/about doing sth 为某事/做某事而麻烦/费心 bother to do sth 特意/特地/费劲做某事
It's no bother
(2)bother n. put sb to any bother
It bothers sb that/to do sth 使某人苦恼的是
Don't bother about getting dinner for me. 别为我做饭麻烦了。 He didn't even bother to say thankyou. 他甚至连说一声谢谢都不肯。
We had a lot of bother on the journey because the trains
were late. 我们旅途中碰到不少麻烦，因为火车误点了。
【完成句子】 ①She never________ ________clothes. 她从不在穿着上费心思。 ②I've no time________ ________ ________ such things. 我没时间为这种事烦恼。 ③Please________ ________ ________ ________ ________． 您就别费事了，不用起来了。
④Don't________ ________ ________ ________ ________．
不要自寻烦恼。 答案 ①bothered about ②to bother with ③don't bother to get up ④put yourself to any bother
4．regulation n．规则；规章；法规；章程 She was fined for driving above the regulation speed.
This regulation refers only to children. 这些规定仅适用于儿童。 He explains this regulation to me word for word. 他逐字逐句地替我解释这项条例。
Private schools regulate the behavior of students.
He works hard and keeps regular hours. 他工作努力，生活很有规律。
Anyway，I can't cheat him－it's against all my________． (2011· 浙江，18)
【完成句子】 ①Everything seemed quite________when the fire broke out.
②Thermostats can be used________ ________the temperature of a room.
③Under the new________spending on office equipment will be strictly controlled. 根据新的规定，办公设备开支将受到严格控制。 答案 ①regular ②to regulate ③regulations
5．strike (1)vt.打；击；撞击；(钟)敲响报时 ( struck，struck /stricken，striking)
He shouted at her and struck her with his fist.
他朝她叫喊，并用拳头揍她。 I got up early this morning, before the clock struck seven. 早晨我起得很早，起床时时钟还没有报7点呢。 (2)vt.袭击，攻击，突袭
They decided to strike the enemy in the night.
他们决定夜袭敌军。 We must strike the enemy's oilfields. 我们必须袭击敌人的油田。
(3)vt.使……感到；使……突然想到；给……以印象 A good idea struck me while I was walking along the river. 我在河边散步时突然有了一个好主意。 It strikes me that the man was not telling the truth.
(4)vi.罢工；闹罢工 The union struck for better work conditions. 工会为争取更好的工作条件而罢工。 The workers at the factory are striking for more pay.
It strikes sb that... be struck by. (2)strike n.
某人突然意识到 被……打动；深受感动 罢工；袭击，突袭；打；击；敲
His head struck against a stone.他的头撞在石头上。
I was struck by her beauty. 她的美貌给我留下了深刻的印象。
A student union called for a oneday strike at local
用力打或敲，可以是一次或多次，也有撞 击、袭击之意。 连续多次或有节奏地敲打、打击；还有痛 打、跳动、打败之意。 多指一次性打中或击中。 敲打并伴有响声，还有打倒、撞翻之意。 轻拍。
hit knock tap
He was so angry that he struck the table with his fist. 他气得用拳头砸桌子。 Tonight Spain will beat Tunis.
The bullet hit him in the chest. 子弹击中了他的胸膛。 She knocked the vase off by accident.
That girl tapped her fingers on the desk impatiently. 那个女孩不耐烦地用手指轻扣桌面。
①The strike lasted more than a month before it was' settled. ________
②The stone struck him in the eye.
④Snowstorms often strike that area in winter. 答案 ①罢工 ②击中 ③突然想起 ④袭击
③I've struck on a plan for solving the problem.________
6．vain (1)adj.自负的；傲慢的；自我膨胀的 She is vain of her voice. 她自以为她的声音了不起。 He is kind of vain, and always feels ashamed to turn to others. 他这个人有些虚荣，总是耻于向别人求教。
She's very vain about her good looks.
(2)不成功的；无结果的；无效的 All our efforts were vain. 我们的一切努力都归于枉然。 They made vain attempts to reach the mountain top.
be vain of/about 对．..很自负
We tried in vain to make him change his mind.
Day after day she waited in vain for him to telephone her. 日复一日，她徒劳地等待他的电话。
【完成句子】 ①Hilda________ ________ ________ ________her
希尔达对自己的学问很自负。 ②Maybe it's________ ________，but I'd like to have a try. 也许这是徒劳的，但是我想试一下。 答案 ①is very vain of ② in vain
They are determined to resist invasion. 他们决定抵抗入侵。 Many young people could not resist the spiritual pollution. 很多年轻人不能抵制精神污染。
I have a sweet tooth and can't resist eating chocolate and
ice cream. 我喜欢吃甜食，见到巧克力和冰淇淋就想吃。
(1)resist sth/doing sth
can't resist doing sth (2)resistant adj. resistance n.
禁不住做某事 抵抗的；有抵抗力的 抵制；抗拒
①He is in good health; he is able to________ ________． 他身体健康，能抵抗疾病。
②When she got to the place，she could not________
________ ________． 她到达那里时，禁不住想进去。 答案 ①resist diseases ②resist going in
③Out of curiosity, I couldn't resist having a look at his marks of the exam.
＝Out of curiosity, I________ ________ ________a look
at his marks of the exam. 答案 couldn't help having
I merely suggest you should do it again. 我只是建议你重新做这件事。
She is merely a child. 她只不过是个孩子。
I didn't say that I wanted to buy it but merely asked for the price.我没说我想买，只是问问价钱。 not merely...but also... 不仅……而且……
She was not merely beautiful，but also talented.
merely 作副词，可与only互换。其形容词为mere。 only only还可以作形容词，表示“惟一的”。
He said nothing，merely /only smiled and watched her.
他什么也不说，只是微笑着看着她。 A mere copier of nature can never produce anything great. 仅仅模仿自然决不会产生伟大的艺术品。 Change is the only constant!
①It is________ ________ ________to solve the problem.
那是解决这个问题的唯一办法。 ②It took her________ ________ ________ ________to win.
③The car is________ ________fast________ ________comfortable. 车子不仅快而且舒服。 答案 ①the only way ②a mere 20 minutes
③not merely；but also
His summer vacation will end in the late August.
他的暑假将于八月底结束。 The argument ended in tears. 争吵到最后声泪俱下。 Most plural nouns in English end in“s”.
end up end(up) with at the end at the end of
最后成为……，终归…… 以……结束 在末端 在……结尾；到……的尽头
in the end
bring．..to an end come to an end
If he carries on driving like that, he'll end up dead. 他照这样开车，早晚得死于非命。 The rent is due at the end of every month. 租金在每个月底到期。
Don't cry because it came to an end, smile because it
①These animals died off shortly after the ice age________
________ ________ ________end. ②The strike________ ________victory. ③The hospital closed________ ________ ________ ________last year.
④If you continue to steal you'll________ ________in
prison. ⑤They got married________ ________ ________．
①came to an end
⑤in the end
③at the end of
2．be bound to必然；一定做；注定做
The new discovery is bound to be of great service to mankind. 这项新发现对于人类必定大有用处。 The sky is cloudy. It's bound to rain soon. 天色阴沉，过一会儿肯定会下雨。
Try them all. One of the keys is bound to open the lock.
be bound up in be bound up with feel/be bound to do sth
热心于；忙于 与……有密切联系 理应做某事
Jim is too bound up in his own worries to be able to help
Hotels were also bound up with politics.
①Your struggle is highly significant and________ ________ ________bear rich fruit.
实。 ②Economic progress________ ________ ________ ________ ________educational development. 经济的发达与教育的发展密切相关。
①is bound to
②is closely bound up with
3．strike...into one's heart使……刻骨铭心
These job interviews strike fear into my heart.
这种面试让我心惊胆战。 I think by doing so he was trying to strike terror into your heart.我认为他这样做是为了吓唬你。 strike back strike down learn...by heart lose heart 回击 将……击倒 背过；牢记 灰心
with all one's heart
put one's heart into heart and soul
The traveler struck back when a man tried to rob him. 那个旅行者在有人企图抢劫他时进行了回击。 Her teachers always told her to learn new words by heart. 她的老师总是告诉她要用心学新单词。
Lei Feng set to us a good example of serving the people
heart and soul. 雷锋为我们树立了全心全意为人民服务的好榜样。
【完成句子】 ①What impressed me most was that they never________ ________． 给我印象最深的是他们绝不丧失信心。
②They used to________ ________ ________ ________
________ ________． 他们曾熟记上百首歌曲。
③He________ ________ ________by cancer at the age of
④If you________ ________ ________ ________
________， you will be successful in two years. 如果你全身心地投入学习，你将会在两年之内成功。
②learn hundreds of songs by heart ④put your heart into studying
③was struck down
4．from time to time不时；偶尔 His name turned up in the newspapers from time to time.
She has to work at weekends from time to time. 她偶尔周末还得工作。 We get letters from our uncle from time to time. 我们不时收到叔叔的来信。 表示“有时，偶尔”的其他方式：
every now and then
once in a while at times
occasionally Every now and then I go out to the beach. 我有时到海滩去。
People who visit the United States sometimes wonder how
the states got their names. 到美国旅游的人有时会问美国各州的名字是怎么得来的。
I occasionally watch television in my leisure time.
①—Everyone says You are a good student.You are never late for school，are you?
A．No, sometimes C．Every now and then 解析 B．Yes, sometimes D．From time to time
肯定回答： Yes, I am late sometimes.否定回答：
No, I am never late.句意：——大家都说你是一个好学
生。你从不迟到， 是吗？——不， 我有时迟到。
②Bob said he would go to Paris and stay there for________the next year. A．some time C．sometimes 解析 B．once in a while D．from time to time
some time 一段时间； sometimes 有时； once in a
while和from time to time都表示“有时，偶尔”。句意：
Bob说下一年他要到巴黎去， 要在那儿呆一段时间。 答案 A
5．bring back to life复生，使复活 The trees and flowers bring the city back to life. 树木和鲜花使这座城市恢复了生机。
After a few months' repair, the old city was brought back
to life again. 经过几个月的维修后，古城又焕发出勃勃生机。
She knelt down and kissed him and brought him back to
bring sth to life come to life all one's life
赋予某物以生命 变得生动，有趣 一辈子
come back to life
live/lead a．..life 过 lose one's life
Water can bring life to the flora and fauna.
水可以给动植物带来生命。 He devoted all his life to teaching the children in the
他把一生贡献给山区儿童的教育事业。 Wei Fang's coming to our class made our class come to life. 魏芳的到来使我们班活跃起来。 Many people like to live a rural life.
①He happened to be saved by a good person and________ ________ ________ ________ ________．
②He has been happygolucky________ ________ ________． 他一生都是无忧无虑的乐天派。 ③Whoever________ ________ ________for the country is
worth admiring by us.
凡为国捐躯者，值得我们钦佩。 答案 ①was brought back to life ②all his life ③loses his life
6．in good condition情况很好；状况很好 I promised to return the book in good condition. 我保证完好的归还这本书。
All parts of the house other than the windows were in good
The MP5，which I have used for three years，is still in
good condition. 这个MP5我已经用了三年了，现在仍然没一点儿毛病。
in bad/poor condition on condition that
out of condition
on this / that condition
They made an effort even in poor condition.
即使在困境他们也积极进取。 I can lend you money on condition that you pay back on
【完成句子】 ①I don't care about the price，so long as the car is________ ________ ________． 我不计较价钱，只要车很好用就行了。
②You may use the room________ ________ ________you
clean it afterwards. 只要你用完后打扫干净，你就可以使用这个房间。 ③________ ________ ________you may go home earlier. 在这种情况下，你可以早一点回家。
④Many roads are________ ________ ________and
accidents are frequent. 许多路况很差而且事故频发。
①in good condition
②on condition that
④in bad condition
1．It would be unfair to clone any extinct animals if they were to live in a zoo.如果只能生活在动物园里，那么克 隆任何灭绝动物都是不公平的。 “It would ＋动词原形 ＋ if sb were to do. . .”这一句型表 示与将来相反的事实或愿望，意为“万一，如果……就 会……”。 If it were to be fine tomorrow，I would go shopping with
What should we do if it were to snow? 要是下雪，我们怎么办？ 该句型中的would可以用should，could，might来替换； were to可以被did或“should＋动词原形”替换。
If Professor Li should have time tomorrow, we could ask
him some questions. 如果李教授明天有空的话，我们可以问他点问题。 If there should be no air, there would be no living things. 如果没有空气，就不会有生物。
If I should go to Qing hua University，I would make full
use of my time. 如果我要上清华大学的话，我就会充分利用我的时间了。
用所给动词的适当形式填空 ①If she________(strike) me with that rod，I should________(get) it from her hand and break it under her nose.
②If he should________(come) here tomorrow，I
would________(talk) to him. ③If there________(be)a heavy snow next Sunday，we would________(not go) skating. ④If she were to________(be) here next Monday，I
would________(tell) her about the matter.
答案 ①struck；get ②come；talk ③were；not go ④be；tell
2．The more you do this，the more you'll find yourself
becoming comfortable with the sound of the language.你
这样做得越多，你就会发现自己越来越熟悉这种语言的 声音。 “the ＋比较级，the ＋ 比较级”句型常表示“越……就 越……”，是一个复合句。 (1)在通常情况下，前一个“the ＋比较级”相当于比较状语 从句，后一个“the ＋ 比较级”为主句。主从句的时态常用 一般现在时或一般过去时。 The more I read the book，the more I like it.
The earlier you start，the sooner you'll be back. 你出发得越早，回来得就越早。
The more you practise, the better you can understand.
你练习得越多，理解得就越透。 (2)若主句的谓语动词用一般将来时，从句的谓语动词要 用一般现在时表示将来。 The harder you work，the greater progress you will make. 你越用功，进步就越大。 The longer the war lasts，the more the people there will suffer.
less...”句型。 The more she flatters me，the less I like her.
The more he ate，the less joyful he felt. 他吃得越多，感觉越不舒服。 (4)若表示“越不……就越……”时，常用“the less...the more...”句型。
The less he worried，the better he worked.
【单项填空】 ①The longer she waited，________she became. A．the most impatient
C．the least impatient D．the more impatient
考查“the ＋比较级，the ＋ 比较级”句型。句意：
②As far as I am concerned, education is about learning and
the more you learn，________. A．the more for life are you equipped
B．the more equipped for life you are
C．the more life you are equipped for D．you are equipped the more for life 解析 考查“the ＋比较级，the ＋ 比较级”句型。句意： 就我而言，教育就是学习。你学得越多，你就为生活准备