人教版高中英语选修8：Cloning_课件4(1)

【即学即练】
选词填空(obtain/acquire/gain/earn/achieve） ①I finally managed to ______ a copy of the report. ②It is through learning that the individual ______ many
habitual ways of reacting to situations. ③An investor ______ by buying stocks that go up in value. ④How much do you _______ a week? ⑤The movie star ______ success and wealth. 答案：①obtain ②acquires ③gains ④earn ⑤achieved
I haven’t been able to obtain that record anywhere. 我到处都没买到那张唱片。
He said that the police had obtained this information by illegal
means. 他说警方是靠非法手段获得这一资料的。 常用结构： obtain sth. from sb./sth. 从……获得某物 obtain sth. by doing sth. 通过做某事获得某物
假设你班就科学家是否应该克隆人进行了讨论，20％的 同学赞成，认为其一：有利于促进该科学领域取得突破； 其二：克隆智力过人的伟大科学家，人类将拥有更多有非 凡贡献的人。80％的同学反对，因为这样违背社会道义， 克隆人没有父母，无法像正常人一样生活，试谈谈你的看 法。词数120字左右。
范文背诵
Did you ever imagine having a child that is the exact replica （复制品） of you? Did you ever imagine of having the cure for heart disease or cancer? Well, these fantasies are not far from reach. The way we could reach these fantasies is through a process called cloning. Cloning is the replication of an exact genetic copy of an organism by use of a somatic tissue (or cell) from the donor organism. Cloning can be used in humans, human organs, or even animals. There are many advantages and disadvantages of cloning.
Nobody raised any objection to my doing it right now. 没人反对,我现在就做这件事。
The chief objection to the essay is its inappropriate use of special
jargons. 这篇文章的主要缺点是专业术语用得不当。 【联想拓展】 object表示“反对”，为不及物动词，后接宾语时需要加介词to。 oppose表示“反对”，为及物动词，接宾语时不加介词to。但是 在be opposed to中需要加介词to，表示“反对……，与……相 反”。 object to sb./sth. 不赞成某人/某事(to为介词) object to （sb.）doing sth. 反对(某人)做某事 object that ...反对…… It was objected that ...有人反对…… 常用结构： have/make an objection to （doing）sth. 对……表示反对
were expecting it.
A. undertook
B. allowedபைடு நூலகம்
C. answered
D. admitted
解析：选A。考查动词辨析。undertake此处意为“答应”相当于
promise。
温馨提示：其过去式为：undertook;过去分词为：undertaken。
2. objection n. 不赞成；反对；异议
1. _______ vi.不同；相异 → _______ adj.不同的 → _______ n.不同;不同之处 2. _______ adj.精确的;准确的 → _______ adv.精确地，准确地 3. _______ adj.商业的；贸易的→ _______ n.商业；贸易 4. _______ adj.简单的;直接的;坦率的 5. _______ n.程序;手续;步骤 6. _______ v.着手;从事;承担
1. undertake vt.着手;从事;承担；承诺，答应
The scientist undertakes the experiment. 科学家从事这项实验。
I can undertake the responsibility for the changes. 我愿意承担这些变革的责任。
He undertook to finish the job by Friday. 他答应星期五之前完成这项工作。 常用结构： undertake sth. 着手/从事/承担某事 undertake to do sth. 保证/答应做某事 undertake that ... 保证……
【即学即练】
完成句子
①他欣然承担那项艰难的任务。
He ______ the difficult task willingly. ②他许诺当我们的向导。
He ______ ______ ______ our guide. 答案：①undertook
②undertook to be 单项填空
③He _______ to improve the working conditions and the workers
答案：1. off 2. cast 3. object 4. favour 5. bound
6. strike 7. time 8. back 9. vain 10. condition
The fact ______ she seemed to develop normally was very
encouraging. 多莉看来是在正常地成长着，这很令人鼓舞。 答案：that
①The way we could reach these fantasies is through a process called cloning.
②A benefit of cloning is cloning human organs or body parts ③Even though there are a lot of benefits to cloning, there are also a lot of disadvantages of cloning.
【即学即练】 完成句子 ①我们反对受到这样的待遇。
We _____ ______ ______ treated like this. ②母亲反对说，吉米身体太虚弱，不能承担那份工作。
Mother ______ ______ Jimmy was too weak to take up the job. 答案：①object to being ②objected that 3. obtain vt. 获得；赢得
7. ______ v. 反对；不赞成→ ______ n. 不赞成；反对；异议 8. ______ adj.道德（上）的;伦理的→ ______ adv.道德上地;伦理上地 9. ______ vt.&vi.积累;聚积→ ______ n.积累;聚积 10. ______ vi.退休;离开→ ______ n.退休 11. ______ vt.打扰；vi.操心;n.烦扰 12. ______ n.假定；设想→ ______ v.以为；设想；承担；呈现 13. ______ n.规则，规章;法规→ ______ v.规范；调节 → ______ adj.定期的，有规律的;正规的 14. ______ vt.抵抗，对抗→ ______ n.抵抗，反抗；抵抗力 → ______ adj.有抵抗力的 15. ______ adv.仅；只；不过→ ______ adj.仅仅的 答案：1. differ;different; difference 2. exact；exactly
14. resist; resistance; resistant 15. merely; mere
1. pay ______ 得到好结果；取得成功；偿清
2. ______ down 沮丧；不愉快
3. ______ to
反对；不赞成
4. in ______ of 支持；赞成
5. be ______ to do...
一定或注定（做）……
6. ______ ...into one’s heart 使……刻骨铭心
7. from ______ to time
不时；偶尔
8. bring ______ to life
使复生；使复活
9. in ______
白费力气；枉费心机
10. in good/poor ______ 状况很好（坏）；情况很好（坏）
3. commercial; commerce 4. straightforward 5. procedure
6. undertake 7. object; objection 8. moral; morally 9. accumulate;accumulation 10. retire；retirement 11. bother 12. assumption；assume 13. regulation; regulate; regular
benefits of cloning. Even though there are a lot of benefits to cloning, there are also a lot of disadvantages of cloning. One disadvantage is whether cloning is ethical. Cloning will bring up a great controversy on whether cloning is the “right” thing to do or not. This controversy is currently going on right now and will be even a greater controversy if the government allows cloning. Many people think that nature should just take its course. Other people think that cloning will be a very good thing to society. 句型背诵
【易混辨析】
obtain/acquire/gain/earn/achieve obtain 意为“获得，买到”。指通过努力或请求而得到，含有 满足要求或达到目的的意味，属正式用语。 acquire 意为“经过努力逐步获得才能、知识、习惯等”，也可 用于对财物等的“获得”，强调“一经获得就会长期持有”的 含义。 gain 意为“通过较大努力获得某种利益或好处”；亦可指军事 上的武力夺取等。 earn 意为“挣得，赢得”。指因工作等而得到报酬或待遇。 achieve 意为“得到；获得”，多指成就、目标、幸福的取得。
A benefit of cloning is cloning human organs or body parts. If a person has a dysfunctional（变形） liver or heart then they could get it cloned and get a brand new one. These are some of the