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
选修七《Unit 21 Human Biology Bulletin Board》优秀ppt课件
Copying nature
Information Spider
What is cloning?
--- It is an / a ___________________
technology to create an / a
__________ copy of a creature.
advanced /
complicated
exact /
genetically-identical /
DNA-precise
What have been cloned?
Scientists have managed to clone ___________________
like _______________. But there have been no reports of
________________.
all sorts of animals
cloned humans
two very good spiders
What is a good spider like?
It has ____________to show different parts.
It notes down the information____________.
subtitles
in key words
well-organized
& logical