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【优质课件】高中英语 unit2 Cloning section2 新人教版选修8优秀课件.ppt_图文

Unit 2 Cloning

Unit 3
Section Ⅱ Learning about Language

1 课前新知预习

3 课堂达标验收

2 课堂要点探究

4 课时作业


1.co_n_st_itu_ti_on_____ n.宪法,章程 2.co_m_p_ul_so_ry_____ adj.必须做的,义务的, 强制的owe 3.ow_i_ng_(_to_)_____ vt.欠……;归功于……
→_______in_te_rr_up_t_ 因为,由于 4.as_su_m_p_ti_on_____ vt.打扰,打搅 →近ass义ume词:__________ 打扰,打断
5.re_gu_l_ati_o_n _____ n.假定,设想
→__________ v.假定,设想

Ⅱ.短语自查 1.__o_w_e._..t_o._.._______ 把……归功于…… 2._bboe_thb_eo_rutn_od_dto_o s_dtoh_._______ 一定或注定…… 3.________________ 麻烦去干某事

1.________________ her family,and especially her nephew,her niece Daisy is very honest about her opinions.
与她的家人,尤其是她的侄子相比,她的 侄女黛西对自己的观点是非常坦率的。
2.However,____________ she later developed a serious lung disease bothered scientists.
但是,后来她染上严重肺病问题又使科学 家们感到忧虑。

1.The hope________he may recover is not gone yet.
2.The fact________you haven't enough time to do the work is simply unbelievable.
3.The problem________we should continue to do the experiment has been solved.

4.I have no idea________he will come back.
5.I have no impression________he went home,perhaps by bike.
6.Next comes the question________you want to put in the box.
答案:1.that 2.that 3.whether 4.when 5.how


1.owe vt.欠(钱,账,人情等);把……
①Have you paid me back the money you owed me yet?
②I owe you an apology for my rudeness last night.
③I owe it to you that I am still alive. 幸亏有你我现在才仍然活着。

owe vt.欠(钱,账,人情等);把……归功 于;归功于……
owe sb.sth.=owe sth.to sb.欠某人 某物
owe sth.to sb./sth.把某事归功于某人/ 某物
owe it to sb.that...把……归功于某人 owing to 由于;因为

表示“由于,因为”的短语:thanks to, due to,because of,on account of,as a result of
They decided to postpone the trip,owing to the change of the weather.
注意:due to一般不位于句首。

(1)完成句子 ①他把他的成功归功于努力工作和实践。
He________ ________ ________ ________hard work and practice.
②我欠房东100美元。 I________ 100________the landlord. ③________ ________ ________ ________(由于他的努力),the law was passed. 答案:①owed his success to ②owed;

I owe a debt of gratitude ________ his family so I'll do my best to help them whenever they are in trouble.
答案:to 句意:我感激他一家人,无论他 们什么时候遇到麻烦,我都将尽全力帮助他们。 owe...to把……归因于。

2.bother vt.打扰;使担忧;使烦恼 n.[U]麻烦;[C]令人烦恼的事/人
①I am sorry to bother you,but can you tell me the time?
②Don't bother him with it now;he's very busy.
③Does it bother you that she earns more than you?

④It bothers me to think of her alone in that big house.
想到她孤零零地待在那个大房子里我便坐 立不安。
⑤I didn't want to put you to any bother. 我不想给你添乱。
⑥I hope I haven't been a bother. 希望我没打扰你。

bother to do sth.费心去做某事 bother about sth.为某事烦恼 bother sb.with sth.为某事麻烦某人 be sorry to bother you,but...很抱歉打扰你 一下,但是……
put sb.to any bother给某人添乱 without any bother毫不费力地 It bothers sb.that/to do sth.使某人苦恼 的是……

bother,disturb,trouble与annoy 这些动词均有“使人不安或烦恼”之意。
(1)bother指使人烦恼而引起的紧张不安或 感到不耐烦。
The problem has been bothering me for weeks.
(2)disturb较正式用词,多用于被动语态。 指使人不能平静或妨碍别人工作、思维或正常 秩序,是程度较深的烦恼。

(3)trouble指给人在行动上带来不便或在身 心上造成痛苦。
Losing a little money doesn't trouble me. 损失一点钱我并不在意。
(4)annoy强调因被迫忍受令人不快、讨厌的 事而失去平静或耐心,多指一时的打扰或恼怒。
His mother was annoyed with him for being so rude to their neighbors.
他母亲因为他对邻居如此粗暴无礼而生他 的气。

(真题改编·湖南)Around two o'clock every night,Sue will start talking in her dream.It somewhat ________ (bother)us.
答案:bothers 考查动词时态。句意:每 天晚上大约两点左右,苏就开始说梦话了,这 有点打扰我们。根据时间状语 every night可知 用一般现在时。

(2)补全句子 ①他甚至连通知都没有通知我他要来。
He didn't even________ ________ ________me know he was coming.
I don't want to________ ________ ________my problems at the moment.
答案:①bother to let ②bother him with

3.assumption n.假定;设想;承担;
make an assumption 假设;认为 on the assumption that...在假定……的情况 下
①His assumption proved to be correct. 他的假设被证明是对的。
②We are working on the assumption that the rate of inflation will not increase next year.

assume vt.假定;设想;承担 assume that...假设…… assume office 就职 assume responsibility 承担责任 assume an air/expression of...装出……的 样子/表情 assuming that...假定……(作连词用,相当 于if) Assuming that it rains,what should we do?

(1)The assumption ________ the price of meat would go down before the festival was wrong in fact.(that; which)
(2)People tend to make ________ about you when you have a disability.(assumptions; the assumption)
(3)________ we are free next Sunday, what would you like to do?(Assuming that; Assume)

be bound to(do)...一定或注定(做)…… ①Look at the sky.It's bound to rain this afternoon. 看看天空,今天下午一定会下雨。
②There are bound to be changes when the new system is introduced.
③You've done so much work that you are bound to pass the exam.

④I feel bound to tell you that you're drinking too much.
⑤In a group as big as this,you are bound to have disagreements.
在这么大的一群人中,你一定会遇到不同 意见。

①be bound to sth.被束缚于某物;被绑在 某物上
②be bound to do sth.一定会;有义务做 某事
③be bound (for...) 准备(去……) ④be bound up in 热心于;忙于 ⑤be bound up with 与……有密切关系

①If you read fast every day, you________ ________ ________(一 定)improve your English level.
②He________ ________ ________ ________ ________ ________(热衷于收集古 董)these days.
答案:①are bound to ②is bound up in collecting antiques

一个名词或代词后面有时可以跟一个名词 (或起类似作用的其他形式),对前者进一步说 明它指的是谁,是什么等,那么这一部分就叫 做同位语。同位语与被它补充说明的词的格要 一致,并常常紧挨在一起。 它可以是单词、短 语或从句。

1.通常用逗号将同位语与其所修饰的先行 词隔开,表示一种普通的同位关系。
①This is Mr.Black,director of our hospital.
②She is a good teacher,the friend of yours.

2.有时也可用破折号或冒号引导同位语。 用破折号,停顿较长,对同位语起强调的作用; 用冒号,停顿最长,强调的作用更大。
①The orphan's daily necessities—clothes, food,etc.—are supplied by a kind-hearted teacher.
这名孤儿的日常用品——衣服、食物等等—— 由一位好心肠的老师提供。
②In a sense,nouns can be divided into two kinds: the countable noun and the uncountable noun.

3.有时,同位语之前带有引导词,表示同 位成分之间的特殊意义。常见的同位语引导词 有as,or,chiefly, especially,for example, for instance,in short,mainly,mostly, namely,that is,in particular,in other words, including,that is to say,such as,say, particularly,what,which,who,when, where,why,how,that,whether等。
①Only one person can do the job, namely you.
②You can buy fruit here,for example,

4.另外,无需借用任何引导词或标点符号, 而将同位语直接置于先行词之后。
①I have the honor to introduce John's sister Jane to you.
②Tom gave his friend John a book. 汤姆给了朋友约翰一本书。

Ⅱ.用名词、代词或数词及其短语作同位 语
同位语有限制性和非限制性两种,限制性 同位语和前面的词关系比较密切,中间不能停 顿;非限制性同位语与前面的词关系比较疏散, 常用逗号把它们分开,表示略有停顿。
We teachers should be responsible for this.(名词作同位语)
Mr.Robson,our head teacher,is from Canada.(名词作非限制性同位语)

They each put forward a proposal.(代词 作同位语)
他们每个人提出了一个建议。 You may leave it to us two.(数词作同位语) 你可以把它留给我们两个。 注意:多数的同位语都属于限制性同位语。

1.同位语从句跟在一个名词后,对其作进 一步解释;能跟同位语从句的名词常见的有: announcement,belief,discovery,doubt, excuse,fact,fear,hope,idea,knowledge, news,order,promise,problem,proof, proposal,possibility,question,reply, remark,reason,report,rumour,story, suggestion,thought,truth 等。引导同位语从 句的连词最常用的是that,除此之外还有how, when,where,why,whether等。

①The announcement that a new airport was to be built nearby aroused immediate opposition.
说要在附近建造新机场的通告马上引起了 反对。
②The suggestion that shops should open on Sundays led to a heated discussion.
关于商店星期日也应该营业的提议,引起 了激烈的争论。

2.为了保持句子平衡,同位语从句有时可 以不紧跟在它所说明的名词后面。
①The story goes that William Tell killed the tyrant with an arrow.
②Suddenly the thought came to me that he could go blind.

3.在表示建议、命令、请求、主张、目的、 愿望等名词后面的同位语从句中,谓语动词必 须采用虚拟语气结构,即:(should+)v.
①He gave orders that the work(should)be started immediately.
②Her suggestion is that we(should)give up the plan.

1.定语从句中的that既代替先行词,同时 在从句中担任某个成分(主语或宾语),而同位 语从句中的that是连词,只起连接主句与从句 的作用,不充当句中任何成分。
①Have you forgotten about that money(that)I lent you last week?
你忘了上星期我借给你的钱了吧?(定语从 句)
②The thought came to him that Mary had probably fallen ill.

2.定语从句是形容词性的,其功能是修饰 先行词,对先行词加以限定,描述先行词的性 质或特征;同位语从句是名词性的,其功能是 对名词进行补充说明。
①The news that he told me is that Tom would go abroad next year.
他告诉我的消息是汤姆明年将出国。(定语 从句)
②The news that Tom would go abroad is told by him.

1.(真题改编·重庆)—Is it true that Mike refused an offer from Yale University yesterday?
—Yeah,but I have no idea ________ he did it; that's one of his favorite universities.
答案:why 考查同位语从句。句意:—— 麦克昨天拒绝了耶鲁大学的录取,是真的 吗?——是的,但是我不清楚他为什么这么做, 耶鲁大学是他喜欢的大学之一。why引导的从

2.(真题改编·浙江)The only way to
succeed at the highest level is to have total belief ________ you are better than anyone else on the sports field.
答案:that 考查同位语从句的引导词。句 意:高层次的成功的唯一方法就是要相信在体 育运动方面你比任何人都要强。分析结构可知, 此处 belief后接了同位语从句,从句不缺少成 分,所以用that引导。

3.(真题改编·重庆)Evidence has been
found through years of study ________ children's early sleeping problems are likely to continue when they grow up.
答案:that 考查名词性从句。空格后的同 位语从句句意完整,故用that引导。
4.(真题改编·江苏)The notice came
around two in the afternoon ________ the meeting would be postponed.
答案:that 考查名词性从句。空格后面的 句子说明了notice的具体内容,是同位语从句; 从句语意完整,故用that引导。


1.There was a suggestion that Brown must be dropped from the team.
__________________________________ _______________
2.I have no idea that he will come back.
__________________________________ _______________
3.The question if it is right or wrong depends on the result.

4.The thought came to him when maybe the enemy had fled the city.
__________________________________ _______________
5.The order soon came all villagers should leave the village.
__________________________________ _______________
答案:1.must改为should 2.that改为 when或whether 3.if改为whether 4.when 改为that 5.came后加that

Ⅱ.把下面两个句子连成一个含同位语从 句的复合句
1.Two fifths of all girls in America are on a diet.
The fact worries their parents and teachers a lot.
→________________________________ ________________
__________________________________ _______________
2.The Queen of England was on a

3.Teenagers shouldn't spend too much time online.
Many Chinese parents hold the view.
→________________________________ _______________
__________________________________ _______________
4.Time travel is possible. We have no scientific proof of the idea.

5.Students should be given more free time.
The suggestion is welcomed by many people.
→________________________________ ________________
__________________________________ _______________
6.Will the sports meeting be held on time?
The question will be discussed

7.The headmaster will join us in hiking this Sunday.
We are glad at the news.
→________________________________ ________________
__________________________________ _______________
8.Where are we going for the holiday? Have you thought about the question?

9.A new teacher will teach us English next term.
The message reached me yesterday.
→________________________________ _______________
__________________________________ _______________
10.How did the accident come about?
The driver refused to answer the policeman's question.

答案:1.The fact that two fifths of all girls in America are on a diet worries their parents and teachers a lot.
2.We heard the news last night that the Queen of England was on a four-day visit in China.
3.Many Chinese parents hold the view that teenagers shouldn't spend too much time online.
4.We have no scientific proof of the idea that time travel is possible.

6.The question whether the sports meeting will be held on time will be discussed tomorrow.
7.We are glad at the news that the headmaster will join us in hiking this Sunday.
8.Have you thought about the question where we are going for the holiday?
9.The message that a new teacher will teach us English next term reached me yesterday.
10.The driver refused to answer the

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