人教版高中英语选修八-Unit2CloningGrammar课件新
TheyareAppositiveClauses.
在前一单元我们讲解了 名词性从句。其中我们 已经接触到了同位语从 句。接下来我们就详细 讲解同位语从句。
同位语从句 TheAppositiveClause
(1)同位语从句的定义 在复合句中用作同位语的从句称为同位 语从句。同位语从句是名词性从句的一 种。它在句中起同位语的作用。
7.Ontheonehand,thewholescientific worldfollowedtheprogressofthefirstsuccessf
ulclone,_____thesDhoeellpy. 8.Thefact__t_h_astheseemedtodevelopnormall
ywasveryencouraging. 9.Thencamethedisturbingnews____t_hDatollyh
3.Somepeoplehavetheideathattheycan
crossCanadainlessthanfivedays,but
theyforgetthefactthatCanadais5,500 kilometresfromcoasttocoast.(必修3) 4.Thegirlsweresurprisedatthefact
词;定语从句所修饰、限定的名词或 代词有抽象的也有不抽象的。
Weexpressthehopethattheywillcometovisit
Chinaagain.
(同位语从句)
Thosewhowanttogopleasesignyournamesh
ere.
(定语从句)
②同位语从句所说明的名词与从句没有
Thenewsthathehasbeenelectedpresidento ftheUnitedStatesistrue. Thetruththatheavyobjectsandlightobject sfallatthesamespeedisknowntoall. Theproblemthatshelaterdevelopedaserio uslungdiseasebotheredscientists.
②由whether引导 Thequestionwhetherweneedmoretim
etodotheworkhasnotbeendiscusse d. ③由when引导 Ihavenoideawhentheywillgo.
(3)同位语从句与定语从句的区别:
同位语从句与定语从句在使用中常 常混淆,我们可以从以下几个方面区 别它们: ①同位语从句说明的名词大都是抽象名
4.Thegirlsweresurprisedatthefact ___th_aotceanshipscansailuptheGreat Lakes. 5.Thereisnodoubt___t_hJaothn'squick thinkingandthefirstaidskillshe learnedatschoolsavedMsSlade'slife. 6.Thereisnodoubt___t_htahteearthis becomingwarmer…
逻辑关系,定语从句所限定的名词是从
句逻辑上的主语、宾语、表语、定语、
状语等。
Thenewsthattheywonthematchistrue. (同位语从句,news和从句没有逻辑关系) Thenewsthatyoutoldusyesterdayistrue. (定语从句,news是told的逻辑宾语)
注意:
同位语从句有时被别的词把它和名词隔开： Thethoughtcametoherthatmaybeshehadle ftthedooropenwhenshelefthome. 她突然想起可能在她离开家时没把门关 上。
(2)同ቤተ መጻሕፍቲ ባይዱ语从句的表现形式:
①由that引导 Thefactthatyouhaven’tenough timetodotheworkissimply unbelievable. Thehopethathemaycomehereisnotgoneyet.
physics,areverydifficulttolearn. 某些学科,例如数学和物理,是很难学的。 (6)由of引导
ThecityofBeijinghasbeengreatly changedsince2000.自从2000年以来, 北京市发生了很大的变化。
(7)由or引导 Thefreezingtemperature,orfreezingpoin
它一般放在
fact,news,idea,truth,hope,problem,infor mation,belief,thought,doubt,promise,que stion等名词的后面,对前面的名词作进一 步的解释,说明前面名词的具体含义。引 导同位语从句的词有 that,whether,what,how,when,where等。
adbecomeseriouslyill. 10.AltogetherDollylivedsixandahalf years,____hthaelflengthofthelifeofthe originalsheep.
rmationhasbeenputforward___ moremiddleschoolgraduateswillbe admittedintouniversities.(2001上海) A.whileB.that C.whenD.as
thatoceanshipscansailuptheGreat Lakes.(必修3) 5.ThereisnodoubtthatJohn'squick
thinkingandthefirstaidskillshelearned atschoolsavedMsSlade'slife.(必修5) 6.Thereisnodoubtthattheearthis becomingwarmer…(选修6)
解析：答案B。that引导从句作 information的同位语，解释 information的具体内容。
2.There’safeelinginme____we’llnever
knowwhataUFOis—notever. (2002上海)
A.thatB.which
C.ofwhichD.what
解析：答案A。同位语从句
Sentencesfromthisunit:
1. Ontheonehand,thewholescientific worldfollowedtheprogressofthefirstsuccessfu
lclone,Dollythesheep. 2.Thefactthatsheseemedtodevelopnormallyw
A.that;tobeimproved
B.which;tobeimproved
C.where;tobeimproved
D.when;improving
解析：答案为A。that引导同位语从句 说明“新问题”的内容。need后既可 接 动名词主动式，也可接动词不定式被 动式作宾语。
以上我们已经通过归纳总结和练习 对本课的语法内容有了一定的了解， 下面就让我们根据 之前练习的考察情 况进一步选择讲解 该语法项的重难点。
同位语TheAppositive
同位语是句子成分的一种, 它位于名词、代词后面, 说明它们的性质和情况, 它可以由名词、代词、 名词性短语或从句充当。
同位语的表现形式有以下几种： (1)名词(2)代词(3)数词(4)从句 (5)由suchas,thatis引导
Somesubjects,suchasmathsand
高中英语课件
madeofcanruohanxing
Unit2Grammar
Revise theAppositive
Objective
Torevisetheappositiveanduseitprop erly.
Lookatthefollowingsentences.
1. FrederickWilliamI,theKingofPrussia, couldneverhaveimaginedthathis greatestgifttotheRussianpeoplewould havesuchanamazinghistory.(必修2) 2.Thereisnodoubtthattheboxeswere thenputonatrainforKönigsberg, whichwasatthattimeaGermancity ontheBalticSea.(必修2)
totestyoursenseofobservati on totestyourabilityofshorttermmemory totestyourabilitytohighligh tthelanguagepoints
Guess
1. FrederickWilliamI,the___K_i_nogfPrussia, couldneverhaveimaginedthathis greatestgifttotheRussianpeoplewould havesuchanamazinghistory. 2.Thereisnodoubt___t_htahteboxeswere thenputonatrainforKönigsberg, whichwasatthattimeaGermancity ontheBalticSea. 3.Somepeoplehavetheidea____ththaetycan crossCanadainlessthanfivedays,but theyforgetthefact____Cthaantadais5,500 kilometresfromcoasttocoast.
t,isthetemperatureatwhichwaterfree zesunderordinarypressure.结冰温度 即冰点,是水在常压下结冰时的温度。
在前一单元我们讲解了 名词性从句。其中我们 已经接触到了同位语从 句。接下来我们就详细 讲解同位语从句。
同位语从句 TheAppositiveClause
(1)同位语从句的定义 在复合句中用作同位语的从句称为同位 语从句。同位语从句是名词性从句的一 种。它在句中起同位语的作用。
7.Ontheonehand,thewholescientific worldfollowedtheprogressofthefirstsuccessf
ulclone,_____thesDhoeellpy. 8.Thefact__t_h_astheseemedtodevelopnormall
ywasveryencouraging. 9.Thencamethedisturbingnews____t_hDatollyh
3.Somepeoplehavetheideathattheycan
crossCanadainlessthanfivedays,but
theyforgetthefactthatCanadais5,500 kilometresfromcoasttocoast.(必修3) 4.Thegirlsweresurprisedatthefact
词;定语从句所修饰、限定的名词或 代词有抽象的也有不抽象的。
Weexpressthehopethattheywillcometovisit
Chinaagain.
(同位语从句)
Thosewhowanttogopleasesignyournamesh
ere.
(定语从句)
②同位语从句所说明的名词与从句没有
Thenewsthathehasbeenelectedpresidento ftheUnitedStatesistrue. Thetruththatheavyobjectsandlightobject sfallatthesamespeedisknowntoall. Theproblemthatshelaterdevelopedaserio uslungdiseasebotheredscientists.
②由whether引导 Thequestionwhetherweneedmoretim
etodotheworkhasnotbeendiscusse d. ③由when引导 Ihavenoideawhentheywillgo.
(3)同位语从句与定语从句的区别:
同位语从句与定语从句在使用中常 常混淆,我们可以从以下几个方面区 别它们: ①同位语从句说明的名词大都是抽象名
4.Thegirlsweresurprisedatthefact ___th_aotceanshipscansailuptheGreat Lakes. 5.Thereisnodoubt___t_hJaothn'squick thinkingandthefirstaidskillshe learnedatschoolsavedMsSlade'slife. 6.Thereisnodoubt___t_htahteearthis becomingwarmer…
逻辑关系,定语从句所限定的名词是从
句逻辑上的主语、宾语、表语、定语、
状语等。
Thenewsthattheywonthematchistrue. (同位语从句,news和从句没有逻辑关系) Thenewsthatyoutoldusyesterdayistrue. (定语从句,news是told的逻辑宾语)
注意:
同位语从句有时被别的词把它和名词隔开： Thethoughtcametoherthatmaybeshehadle ftthedooropenwhenshelefthome. 她突然想起可能在她离开家时没把门关 上。
(2)同ቤተ መጻሕፍቲ ባይዱ语从句的表现形式:
①由that引导 Thefactthatyouhaven’tenough timetodotheworkissimply unbelievable. Thehopethathemaycomehereisnotgoneyet.
physics,areverydifficulttolearn. 某些学科,例如数学和物理,是很难学的。 (6)由of引导
ThecityofBeijinghasbeengreatly changedsince2000.自从2000年以来, 北京市发生了很大的变化。
(7)由or引导 Thefreezingtemperature,orfreezingpoin
它一般放在
fact,news,idea,truth,hope,problem,infor mation,belief,thought,doubt,promise,que stion等名词的后面,对前面的名词作进一 步的解释,说明前面名词的具体含义。引 导同位语从句的词有 that,whether,what,how,when,where等。
adbecomeseriouslyill. 10.AltogetherDollylivedsixandahalf years,____hthaelflengthofthelifeofthe originalsheep.
rmationhasbeenputforward___ moremiddleschoolgraduateswillbe admittedintouniversities.(2001上海) A.whileB.that C.whenD.as
thatoceanshipscansailuptheGreat Lakes.(必修3) 5.ThereisnodoubtthatJohn'squick
thinkingandthefirstaidskillshelearned atschoolsavedMsSlade'slife.(必修5) 6.Thereisnodoubtthattheearthis becomingwarmer…(选修6)
解析：答案B。that引导从句作 information的同位语，解释 information的具体内容。
2.There’safeelinginme____we’llnever
knowwhataUFOis—notever. (2002上海)
A.thatB.which
C.ofwhichD.what
解析：答案A。同位语从句
Sentencesfromthisunit:
1. Ontheonehand,thewholescientific worldfollowedtheprogressofthefirstsuccessfu
lclone,Dollythesheep. 2.Thefactthatsheseemedtodevelopnormallyw
A.that;tobeimproved
B.which;tobeimproved
C.where;tobeimproved
D.when;improving
解析：答案为A。that引导同位语从句 说明“新问题”的内容。need后既可 接 动名词主动式，也可接动词不定式被 动式作宾语。
以上我们已经通过归纳总结和练习 对本课的语法内容有了一定的了解， 下面就让我们根据 之前练习的考察情 况进一步选择讲解 该语法项的重难点。
同位语TheAppositive
同位语是句子成分的一种, 它位于名词、代词后面, 说明它们的性质和情况, 它可以由名词、代词、 名词性短语或从句充当。
同位语的表现形式有以下几种： (1)名词(2)代词(3)数词(4)从句 (5)由suchas,thatis引导
Somesubjects,suchasmathsand
高中英语课件
madeofcanruohanxing
Unit2Grammar
Revise theAppositive
Objective
Torevisetheappositiveanduseitprop erly.
Lookatthefollowingsentences.
1. FrederickWilliamI,theKingofPrussia, couldneverhaveimaginedthathis greatestgifttotheRussianpeoplewould havesuchanamazinghistory.(必修2) 2.Thereisnodoubtthattheboxeswere thenputonatrainforKönigsberg, whichwasatthattimeaGermancity ontheBalticSea.(必修2)
totestyoursenseofobservati on totestyourabilityofshorttermmemory totestyourabilitytohighligh tthelanguagepoints
Guess
1. FrederickWilliamI,the___K_i_nogfPrussia, couldneverhaveimaginedthathis greatestgifttotheRussianpeoplewould havesuchanamazinghistory. 2.Thereisnodoubt___t_htahteboxeswere thenputonatrainforKönigsberg, whichwasatthattimeaGermancity ontheBalticSea. 3.Somepeoplehavetheidea____ththaetycan crossCanadainlessthanfivedays,but theyforgetthefact____Cthaantadais5,500 kilometresfromcoasttocoast.
t,isthetemperatureatwhichwaterfree zesunderordinarypressure.结冰温度 即冰点,是水在常压下结冰时的温度。
合集下载
人教版高中英语选修八-Unit2CloningGrammarppt课件新
13
分。
3.Thereisanewprobleminvolvedinthe
popularityofprivatecars road conditionsneed .(2003上海)
A.that;tobeimproved
B.which;tobeimproved
C.where;tobeimproved
6.Thereisnodoubtthattheearthis
becomingwarmer…(选修6)
6
Sentencesfromthisunit:
1. Ontheonehand,thewholescientific worldfollowedtheprogressofthefirstsuccessfu
Thenewsthathehasbeenelectedmonitorofourc lassistrue.
thelengthofthelifeoftheoriginalsheep.
7
totestyoursenseofobservati on totestyourabilityofshorttermmemory totestyourabilitytohighligh tthelanguagepoints
同位语TheAppositive 16
同位语是句子成分的一种, 它位于名词、代词后面, 说明它们的性质和情况, 它可以由名词、代词、 名词性短语或从句充当。
17
同位语的表现形式有以下几种：
(1)名词(2)代词(3)数词(4)从句 (5)由suchas,thatis引导
Somesubjects,suchasmathsand
逻辑关系,定语从句所限定的名词是从
句逻辑上的主语、宾语、表语、定语、
分。
3.Thereisanewprobleminvolvedinthe
popularityofprivatecars road conditionsneed .(2003上海)
A.that;tobeimproved
B.which;tobeimproved
C.where;tobeimproved
6.Thereisnodoubtthattheearthis
becomingwarmer…(选修6)
6
Sentencesfromthisunit:
1. Ontheonehand,thewholescientific worldfollowedtheprogressofthefirstsuccessfu
Thenewsthathehasbeenelectedmonitorofourc lassistrue.
thelengthofthelifeoftheoriginalsheep.
7
totestyoursenseofobservati on totestyourabilityofshorttermmemory totestyourabilitytohighligh tthelanguagepoints
同位语TheAppositive 16
同位语是句子成分的一种, 它位于名词、代词后面, 说明它们的性质和情况, 它可以由名词、代词、 名词性短语或从句充当。
17
同位语的表现形式有以下几种：
(1)名词(2)代词(3)数词(4)从句 (5)由suchas,thatis引导
Somesubjects,suchasmathsand
逻辑关系,定语从句所限定的名词是从
句逻辑上的主语、宾语、表语、定语、
人教版高中英语选修八Book_8_Unit_2_Cloning_语言点课件
bedifferentfrom与…不同
makenodifferencetosb. 对…没有影响
makeadifference
起作用,产生影响
现代飞机跟早期的在很多方面有所不同。
Modernairplanesdifferfromearlyonesinmanyways.
对于如何解决问题,我跟他的意见不一致。 Idifferwithhimonhowtosolvetheproblem.
doingsth.
forbid
sb.todosth.
• 公共场所应禁t止ha吸t…烟。
Smokingshouldbeforbiddeninpublicplaces. 我不准你告诉任何人 Iforbidyoutotellanyone.
• 她的父亲禁止她喝酒。
Herfatherforbidshertodrinkwine. • 法律禁止在这块土地上建筑。
•我愿意承接这项变革的责任。
Icanundertaketheresponsibilityforthechange.
•他许诺当我们的向导.
Heundertooktobeourguide.
• 我不能保证我能按时做完它. • Ican’tundertakeyouthatI'llfinishitontime.
那部剧使他名声大震。 Theplayobtainedhimgreatfame. =Theplayobtainedgreatfameforhim.
10.forbidvt.禁止，不准，不许(反义permit,allow) • forbade/forbad,forbidden,forbidding
sth.
Doyouhaveanyobjectionstotheplan? objectthat反驳,反对 他反驳说警察没在有任何证据的情况下就逮捕了他。
12高二英语人教版选修8-unit2-Cloning-Grammar-课件
第10页，共17页。
1.The news that there are no lives
on the moon is known to us all.
( 同位语从句 ) 2.The news that you heard is not
true. ( 定语从句 )
3.Have you any idea who he went
3.用法: 常跟的抽象名词有: fact/ idea/reason thought/order/ doubt/news/hope truth/belief …
4.连词 that/whether/who/ which
what/when/where/why/how
第3页，共17页。
连接词that引导的同位语从句 that在从句中不充当成分,只起连接作用.
第16页，共17页。
5. Students should be given more free time./The suggestion is welcomed by many people. The suggestion that students should be given more free time is welcomed by many people.
2. I have no ideawh_i_c_h___ one I should choose. (定语)
第6页，共17页。
连接词副词when/where/why/how 引导的同位语从句
1.我了解他们为什么离开得那么早.
2. 我们还没决定好去哪儿.
1.I’ve got a good idweahy_____ they
with? ( 同位语从句 ) 4.Is there any hope that they will
1.The news that there are no lives
on the moon is known to us all.
( 同位语从句 ) 2.The news that you heard is not
true. ( 定语从句 )
3.Have you any idea who he went
3.用法: 常跟的抽象名词有: fact/ idea/reason thought/order/ doubt/news/hope truth/belief …
4.连词 that/whether/who/ which
what/when/where/why/how
第3页，共17页。
连接词that引导的同位语从句 that在从句中不充当成分,只起连接作用.
第16页，共17页。
5. Students should be given more free time./The suggestion is welcomed by many people. The suggestion that students should be given more free time is welcomed by many people.
2. I have no ideawh_i_c_h___ one I should choose. (定语)
第6页，共17页。
连接词副词when/where/why/how 引导的同位语从句
1.我了解他们为什么离开得那么早.
2. 我们还没决定好去哪儿.
1.I’ve got a good idweahy_____ they
with? ( 同位语从句 ) 4.Is there any hope that they will
高中英语选修八人教版课件：Unit+2+Cloning+(共26张PPT)
2. A. B. C.
What is the writing style? A Expositive (说明性的). Descriptive. Argumentative (议论性的).
3. It can be inferred from the passage
5.She was not a ltogether pleased at the corrections he made to her work. 6.Grey decided to move to the countryside and his wife made no bjectionsto it. o 7.According to the constitution, it is compulsory for a citizen to undertake military service.
Questions
1.What do you know about clone? 2.Cloning is the new biotechnology and the one which causes the most heated discussion over its worth. Do you know how many kinds of animals have been cloned? Do you think it is possible to clone a human being?
The question whether human beings should be cloned was not discussed at the meeting.
Sentences
The phenomenon that people drew on the Great Wall really annoyed me.
人教版高中英语选修8 Unit 2《Cloning》(Learning about language)课件
6). Why do some people object to human cloning?
A Many people are against human cloning because of religious and moral belief.
Discovering useful structures
However, shortly after he did some research, he felt _c_a_st_d__o_w_n_when he discovered the fate of the b__re_a_k_t_h_r_o_u_g_h_ clone, Dolly the sheep. The dream that one cou. So Freddy made up his mind to enjoy his singing and a_c_c_u_m__u_l_a_te_many
3). How do gardeners benefit from cloning?
D Cloning helps them get profits from commercial quantities of plants.
4). How differently do people think of the cloning of plants and that of animals?
3. John told the truth t_h_a_t_h_e__fa_i_l_ed__i_n_t_h_e_test. 4. Betty won a prize that s_h_e__h_a_d_d_r_e_a_m__e_d of
_f_o_r_y_e_a_r_s_. _
5. Charles agreed to the regulation _th__a_t _h_e_m__u_s_t_h_a_v_e_s_a_f_e_ty__t_r_a_in_ing.
A Many people are against human cloning because of religious and moral belief.
Discovering useful structures
However, shortly after he did some research, he felt _c_a_st_d__o_w_n_when he discovered the fate of the b__re_a_k_t_h_r_o_u_g_h_ clone, Dolly the sheep. The dream that one cou. So Freddy made up his mind to enjoy his singing and a_c_c_u_m__u_l_a_te_many
3). How do gardeners benefit from cloning?
D Cloning helps them get profits from commercial quantities of plants.
4). How differently do people think of the cloning of plants and that of animals?
3. John told the truth t_h_a_t_h_e__fa_i_l_ed__i_n_t_h_e_test. 4. Betty won a prize that s_h_e__h_a_d_d_r_e_a_m__e_d of
_f_o_r_y_e_a_r_s_. _
5. Charles agreed to the regulation _th__a_t _h_e_m__u_s_t_h_a_v_e_s_a_f_e_ty__t_r_a_in_ing.
人教版高二英语选修八 Unit2 cloning reading 课件 (共22张PPT)
17、一个人即使已登上顶峰，也仍要 自强不 息。2021/8/52021/8/52021/8/52021/8/5
谢谢观赏
You made my day!
我们，还在路上……
Then, came the news that Dolly became__se_r_io_u_s_l_y_il.l
Altogether Dolly lived__s_ix__a_n_d_a_h_a_l_f _y_ea_r_s__, half the length of the life of _th_e__or_i_g_in_a_l _s.heep
14、意志坚强的人能把世界放在手中 像泥块 一样任 意揉捏 。2021年8月5日星期 四2021/8/52021/8/52021/8/5
15、最具挑战性的挑战莫过于提升自 我。。2021年8月2021/8/52021/8/52021/8/58/5/2021
16、业余生活要有意义，不要越轨。2021/8/52021/8/5August 5, 2021
Para 4
The problem of Dolly
Para 5
The attitudes towards cloning
What’s the writing style?
A. Expositive(说明性的) B. Argumentative（议论性的） C. Narrative（叙事性的） D. Descriptive（描写性的）
The word “controversial” in paragraph 4 probably means____________. A. complicated B. arguable C. important
Para 5 People’s reaction to cloning
人教版高中英语选修8-Unit-2《Cloning》(Warming-up)课件
The mule in the picture is the world’s first cloned mule. It was born on 4 May 2003. His name is Idaho Gem.
The kitten in the picture is called Cc. Its name is from “Copycat”.
In 1952: Cloning tadpole (克隆蝌蚪) The American scientists created a copy of tadpole by means of using a tadpole cell. This tiny tadpole has become the first kind of cloning animal.
2. What benefits can humans gain from cloning?
Questions about cloning
1. How is a clone produced? 2. What benefits can humans gain
from cloning? 3. What problems may arise when
humans are cloned?
1. How is a clone produced? The cloning of plants is simple and relatively easy. It can be done by taking cuttings (man-made cloning) or letting the plant produce its own runners (natural cloning). The cloning of animals is more complicated. It was not achieved until 1996.
人教版高中英语选修8：Book8_Unit_2_Cloning课件
V.
单词拼写
1． A lack of proper nourishment（营养品） reduces their power to r_______disease. esist 2． Unluckily, all his efforts were in v_______. ain 3． Nobody raised any o__________( bjection 反对) to my doing it right now. 4． They o_________ btained （获得）a loan (贷款)from the government. 5． Some of the older workers were r_______ etired early. 6． Her father forbids ________(禁止) her to go out alone at night.
III. Translation
1.在最初一系列的实验和修正之后，科学家的 辛苦工作终于取得了成功.
After a series of initial experiments and corrections, the scientist’s hard work paid off.
2.仅仅过了2个星期，克隆体和母体都死亡了
Step3 Homework： Read the listening passage and remember the key words and phrases.
Step 1:Warming-up Listen to a dialogue and answer the following questions. 1.When did the woman arrive here? Friday B. Saturday C .Sunday 2.what is the man’s major? English B. History C .Biology
高中英语人教版选修8Unit2CloningPeriod3Grammar课件
Whether it XXX do us harm remains to be seen. 是否对我们有 害还要看一看。(引导主语从句，不能用 if 代替 whether)
三要素-引导词
（一）名词性从句的一般引导词： 3. 连接代词 who(m), whose, which, what 等引导名词性从 句时，均有各自的意义，在从句中作主语、宾语、定语等。 如：
I don’t know when he XXX come, but when he comes, I’ll call you. 我不知道他什么时候，但当他来的时候，我会打电话给你。
句中第一个when 引导的是宾语从句，故用将来时态表示 将来意义；第二个when 引导的是时间状语从句，故用一般 现在时表示将来意义。
同位语从句-引导词
同位语从句：就是在句中作同位语的从句。它通常放 在thought, idea, news, word(=news), plan, doubt, question, fact, suggestion, belief等抽象名词的后面，说明这些词的具体内容 或含义。同位语从句大多由that引导，也可由whether, how, when, where, why等引导，但不能由if,which引导。
三要素-引导词
（一）名词性从句的一般引导词： 2. 连接词 whether 引导名词性从句也不充当句子成分， 但有自己的意思，表示“是否”；引导宾语从句时，可换 成 if，但引导其他名词性从句时不能换成 if。如：
He asked whether [if] I would show him the way. 他问我是否可 以给他带路。
同位语从句与定语从句的区分
1．意义的不同 同位语从句是用于说明所修饰名词的具体内容的，它与被
三要素-引导词
（一）名词性从句的一般引导词： 3. 连接代词 who(m), whose, which, what 等引导名词性从 句时，均有各自的意义，在从句中作主语、宾语、定语等。 如：
I don’t know when he XXX come, but when he comes, I’ll call you. 我不知道他什么时候，但当他来的时候，我会打电话给你。
句中第一个when 引导的是宾语从句，故用将来时态表示 将来意义；第二个when 引导的是时间状语从句，故用一般 现在时表示将来意义。
同位语从句-引导词
同位语从句：就是在句中作同位语的从句。它通常放 在thought, idea, news, word(=news), plan, doubt, question, fact, suggestion, belief等抽象名词的后面，说明这些词的具体内容 或含义。同位语从句大多由that引导，也可由whether, how, when, where, why等引导，但不能由if,which引导。
三要素-引导词
（一）名词性从句的一般引导词： 2. 连接词 whether 引导名词性从句也不充当句子成分， 但有自己的意思，表示“是否”；引导宾语从句时，可换 成 if，但引导其他名词性从句时不能换成 if。如：
He asked whether [if] I would show him the way. 他问我是否可 以给他带路。
同位语从句与定语从句的区分
1．意义的不同 同位语从句是用于说明所修饰名词的具体内容的，它与被
人教版高中英语选修8 Unit 2《Cloning》(Language points)课件
an interested look 感到兴趣的表情
surprised people (感到)惊奇的人们
4. cast down 使沮丧 Cloning Scientists were cast down
to find that Dolly’s illness were more appropriate to a much older animal.
两人一组, 观察图片并讨论哪些是自然无性繁殖, 哪些是人工的。解释它们的区别。
Her method doesn’t differ much from mine. 她的方法跟我的没有很大不同。
Modern airplanes differ from early ones. 现代飞机跟早期的在很多方面有所不同。
那个律师接了一个新的案子。
undertake是及物动词, 主要有两个义项: 着
手做, 从事, 进行; 担任, 承担, 答应, 同意。
完成下列句子。
(1) He will _u_n_d_e_r_t_a_k_e _a_ _jo_u_r_n_e_y_ next month (去旅行).
(2) He _u_n_d_e_r_t_o_o_k_ _a_ _n_e_w_ _ta_s_k_ (承担一项新 任务).
_c_a_s_t_d_o_w__n_._
5. object v. objection n. On the other hand , Dolly’s
appearance raised a storm of objections and had a great impact on the media and public imagination.
将下列句子译成英语
(1) 听到这个消息他很沮丧。 H__e__w_a_s__c_a_s_t_d_o__w_n__t_o_h__e_a_r_t_h_e__n_e_w__s_. _
surprised people (感到)惊奇的人们
4. cast down 使沮丧 Cloning Scientists were cast down
to find that Dolly’s illness were more appropriate to a much older animal.
两人一组, 观察图片并讨论哪些是自然无性繁殖, 哪些是人工的。解释它们的区别。
Her method doesn’t differ much from mine. 她的方法跟我的没有很大不同。
Modern airplanes differ from early ones. 现代飞机跟早期的在很多方面有所不同。
那个律师接了一个新的案子。
undertake是及物动词, 主要有两个义项: 着
手做, 从事, 进行; 担任, 承担, 答应, 同意。
完成下列句子。
(1) He will _u_n_d_e_r_t_a_k_e _a_ _jo_u_r_n_e_y_ next month (去旅行).
(2) He _u_n_d_e_r_t_o_o_k_ _a_ _n_e_w_ _ta_s_k_ (承担一项新 任务).
_c_a_s_t_d_o_w__n_._
5. object v. objection n. On the other hand , Dolly’s
appearance raised a storm of objections and had a great impact on the media and public imagination.
将下列句子译成英语
(1) 听到这个消息他很沮丧。 H__e__w_a_s__c_a_s_t_d_o__w_n__t_o_h__e_a_r_t_h_e__n_e_w__s_. _