1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
《Writing》优质课PPT课件下载
somatic cell(体细胞)
The nucleus is taken out of the somatic cell取出细胞核
joined using electricity
用电融合细胞
代孕母羊
divided and grows into an embryo
细胞分裂形成胚胎
How to produce Dolly the sheep
Dolly
Revision:
Clone can produce commercial quantities of plants.
Post-reading: The major uses of cloning
Clone can make a woman who can’t get pregnant(怀孕的） have a child.
Clone can help to save the endangered animals.
Our cloning technology is not perfect. Some cloned animals are abnomal from birth.
Cloned animals may die younger than the original animals.
Are you for or against cloning?
Practice activity: Debate
Are you in favor of cloning or against cloning?
State your views on it.
ＶＳ
For
Against
Are you for or against cloning?
YOU are divided into 3 groups: