北师大版 (2019)选择性必修 第三册Lesson 1 To Clone or Not to Clone?教学课件ppt

这是一份北师大版 (2019)选择性必修 第三册Lesson 1 To Clone or Not to Clone?教学课件ppt，共19页。PPT课件主要包含了conclusion，Para 1，Para 2，Para 3，Para 4，Para 5，Para 6等内容，欢迎下载使用。
That's clning.
Get t the tpic
Pulled ut a handful f his wn hair and blew n it. Each strand f hair turned int a fake mnkey---exactly like Wukng. What is the matter ?
A magic spell: the bdy beynd bdy
Clning is the prcess f making an exact cpy f a plant r animal and develping it either naturally r artificially.
What is clning?
cellspeciesidentical genest edit genest develp artificially t break the technical barriert make an exact cpy f t prduce animal mdels
Get t knw sme wrds and phrases related t clning.
细胞物种相同的基因编辑基因人工发展打破技术障碍精确复制生产动物模型
definitin & natural clning
artificial clning: clned mammals
artificial clning: clned primates
the significance f clning f primates
mral cncerns
Fast Reading: Match the headings with the paragraphs
Read and answer the questins
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?
List the ptential benefits f, and mral cncerns abut clning primates.
Read paragraphs 4-5. Check answers.
∙ prevent aging∙ save research time∙ reduce the number f animals being tested n∙ prducing mre accurate results ∙ better treatments
∙ clnes shuld be treated as bjects r individuals∙ clnes are inferir∙ sme rganisatins may abuse the technlgy
Read the last paragraph. What des Einstein’s qute mean?
“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.
Einstein’s qute means that science itself cannt be judged as gd r bad, because it can nly functin when it is used by humans. He als indicates that humans need t be careful with the infrmatin they learn thrugh science and t remember t use science fr gd.
Think and share.
Why d researchers insist that the science f clning shuld be further explred and advanced? Because they can cntinue making prgress in curing diseases and develping treatments.(2) What is the writer’s attitude twards clning? Find evidence. The writer thinks that clning can be a helpful tl in medical research but that it can als be dangerus. Evidence f this is in the writer’s use f Einstein’s qute.
T clne r nt t clne?
【审题定调】时态人称要点【谋篇布局】
发言稿是参加者为了在会议上或活动上发表自己的意见、看法等事先准备好的文稿。发言稿要观点鲜明、条理清楚、语言简洁明快
Dear fellws, I'm Li Hua, frm Grade 2 Class 18.The fllwing is my view n the applicatin f clning. In my pinin, the science f clning is crucial fr scientific advancement and shuld be further explred. Firstly, plant clning can help imprve fd chain supplies. Secndly, clning can be used t prtect endangered species frm dying ut. What‘s mre, the use f clning in medicine can be helpful in the treatment f certain diseases. In cnclusin, as lng as we make prper use f clning, it will surely benefit us in many ways. That's all. Thanks fr listening.
Cmplete the summary using the infrmatin in the article.
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.
artificially
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.
Search nline and find mre infrmatin abut the develpment f clning. Share the infrmatin in class.D yu think clning is a gd idea? Use what yu have learnt t try t persuade smene t accept yur pint f view.