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高中英语北师大版 (2019)选择性必修 第三册Lesson 1 To Clone or Not to Clone?集体备课ppt课件
展开UNIT 9 HUMAN BIOLOGY
Sectin ⅡLessn1 T Clne Or Nt T Clne
____________ vt. 克隆,使无性繁殖 n. 克隆动物或植物,无性繁殖的个体____________ vi.&vt. 编辑,编校;剪辑,剪接*gene n. _________________________________ adv. 人为地,虚假地____________ n.障碍,壁垒____________ adj. 完全相同的,非常相似的
artificially
______________ n. 双胞胎中的一个*mammal n. ________________________camel n._____________________cattle n.______________________gat n. _____________________________________ adv. 永远;长久地*primate n. ____________________
*ape n. _____________________________________ n. 比较__________________ adj. 繁殖的,生殖的__________________ adv.完全地__________________ n. 线索,提示__________________ adj. 准确的,正确的__________________ n.诊疗,治疗,疗法;对待方式
reprductive
*prvke vt. _____________________________________ n. 强烈的情感,激情______________ adj. 至关重要的,关键性的______________ adj. 很有可能,肯定会*ethical adj. _________________________________________ adj.仅仅,只不过;极小的,极不重要的*inferir adj. ______________________________
关于伦理的;合乎道德的
低级别的,下级的;差的,次的;
________________ vt. 滥用,妄用;虐待 n.滥用;虐待________________ n. 福气,幸运*curse n. _______________________________________
祸因,祸根;诅咒,咒语
TO CLONE OR NOT TO CLONE?
ACTIVATE AND SHARE 激活并分享
adv. 人为地,虚假地
adj. 完全相同的,非常相似的
vi.&vt. 编辑,编校;剪辑,剪接
READ AND EXPLORE 阅读和探索
Clning is the prcess f making an exact cpy f a plant r animal and develping it either naturally r artificially. Natural clning has been ging n fr generatins. Fr example, gardeners have been using a frm f clning when they take a cutting frm a plant and place it in a suitable medium, such as sil. Anther example f natural clning is identical twins,wh are prduced frm the same egg.
Fr years,there had been attempts t clne animals artificially. The first successfully clned animal was a sheep named Dlly in 1996. At first,Dlly grew nrmally,but later she develped an illness that is mre nrmally fund in much lder animals. She lived fr six and a half years,nly half the life f the sheep frm which she was clned. After Dlly,scientists have clned mre than 20 mammal species,including camels,cattle,deer,dgs,gats and mice. Hwever,they have fund a similar pattern f health prblems with these ther species as well.
This has led t questins such as, “Will this be a majr issue fr all clned animals? ”“ Will it cntinue t happen frever? ”
In January 2018,the clning f tw lng-tailed mnkeys,Zhng Zhng and Hua Hua,was annunced by Chinese scientists. They were the first-ever primates (the rder f mammals which include apes,mnkeys,and humans) t have been clned! in cmparisn with ther species,clning primates has prved t be“much harder”,and ding s with nn-reprductive cells was even mre cmplicated.
adv. 永远;长久地
adj. 繁殖的,生殖的
Dr. Sun Qiang,directr f the research team,said they had been whlly devted t the research and had been taking care f mre than 1,000 mnkeys 24 hurs a day,7 days a week fr mre than 5years.There had been a number f failures befre they eventually fund a way t successfully clne a mnkey. The reasn they wrked s hard t break this technical barrier was t get animals with edited genes and prduce animal mdels that are helpful fr medica research and human health.
The successful clning f primates has led t wrldwide praise as a huge breakthrugh that might lead t cures fr varius diseases and may als ffer clues n hw t prevent the aging prcess. With this technlgy,we have the ptential t raise a large number f mnkeys with identical genes in a shrt amunt f time,and we can even change their genes t suit research needs. This culd help save research time,reduce the number f animals required fr testing, prduce mre accurate results,and lead t mre effective treatments.
adj.准确的,正确的
n.诊疗,治疗,疗法;对待方式
Clning,hwever,cntinues t be an issue that causes a great deal f disagreement and prvkes strng emtins. While sme peple believe itis crucial fr scientific advancement,thers raise mral cncerns. They believe it is bund t lead t clning f ther species,and they wrry abut the ethical questins this raises. Fr example,they wnder if clnes shuld be treated as bjects r as individuals with their wn identity. Furthermre,clnes may be viewed as mere cpies f riginals thus being seen as inferir. Finally,they wrry that sme rganisatins may abuse the technlgy fr unethical purpses.
n. 强烈的情感,激情
adj. 至关重要的,关键性的
adj. 很有可能,肯定会
adj. 关于伦理的;合乎道德的
adj.仅仅,只不过;极小的,极不重要的
adj. adj.低级别的,下级的;差的,次的
vt. 滥用,妄用;虐待 n.滥用;虐待
S far,it is still unknwn what will happen t Zhng Zhng and Hua Hua as they grw up. Researchers insist that the science f clning shuld be further explred and advanced. As Einstein said,“Science is a pwerful instrument. Hw it is used,whether it is a blessing r a curse t mankind,depends n mankind and nt n the instrument. A knife is useful,but it can als kill.”
n.祸因,祸根;诅咒,咒语
1 What is clning?2 What examples f natural clning are given?3 What was the first clned mammal? What happened t her?4 Hw has the science f clning develped since the first clned mammal?5 What develpment in clning was annunced in 2018? What was special abut it?6 Fr hw lng did Dr. Sun Qiang′s team wrk? Why did they wrk s hard?
1 Why d researchers insist that the science f clning shuld be further explred and advanced?2 What is the writer′s attitude twards clning? Find evidence
Natural clning has taken place fr generatins. An example f this is identical 1________________. A sheep called Dlly was the first mammal t be clned 2________________. Since Dlly,mre than 20 mammal 3_______________ have been clned including camels and gats. In 2018,China annunced that tw mnkeys had been clned. In cmparisn with ther species,scientists have had t wrk hard t break the technical 4______________ t get primates with 5______________ genes.
Scientists say that this majr breakthrugh ffers the 6_____________ t create mnkeys with 7______________ genes t give mre 8_____________ research results and perhaps lead t 9__________________ fr varius diseases. Whilst scientists insist it is 10__________________ t cntinue research,thers raise 11_______________ cncerns and wrry that the technlgy might be 12_____ ______________ by sme rganisatins.
FOCUS ON LANGUAGE:THE PERFECT 专注于语言:完美
1 Natural clning has been ging n fr generatins.2 Gardeners have been using a frm f clning when they take a cutting frm a plant …3 Fr years, there had been attempts t clne animals.
4 Clning primates has prved t be “much harder” than clning ther species.5 Dr. Sun Qiang said they had been whlly devted t the research Dr. Sun Qiang said they had been taking care f mre than 1,000 mnkeys 24 hurs a day,7 days a week ...
On Thursday,the Institute f Neurscience annunced it 1_______________ (clne) tw mnkeys using nn-reprductive cells. It is reprted that researchers all arund the wrld 2___________________(cnduct) tests n animals,such as mice and dgs,fr many years but culdn′t find a way t clne mnkeys.
have been cnducting
The news f the successful clning 3_______________ (attract) attentin frm arund the wrld. Hwever,clning primates 4________________ (als raise) ethical cncerns. Fr example,sme peple 5___________________ (discuss) issues cncerning hw clnes will be treated in sciety.
has attracted
has als raised
have been discussing
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