1、核心要点回扣.重点单词1 vi.不同，相异 adj.不同的，有差别的 n区别，差异2 vi.反对，不赞成 n不赞成，反对，异议3 vt.禁止，不准 (过去式) (过去分词)4 vi.退休，离开 adj.退休后，离职后 n退休【答案】1.differ；different；difference2.object；objection3.forbid；forbad/forbade；forbidden 4retire；retired；retirement.重点短语1.2.3.【答案】1.off；for；for；back2.of；in；for3.to；it；to.重点句式1Cloning plants is
2、 straightforward while(然而)cloning animals is very complicated.2Then came(然后传来了)the disturbing news that Dolly had become seriously ill.3The advantage is that(优势在于)if there is a new illness some of these animals may die，but others will survive and pass on the ability to resist that disease to the nex
3、t generation.概要写作阅读P15教材课文，根据下列提示词汇写一篇60词左右的概要。clone，extinct，a long way，experiment with，mammal，science，base，impossible，unsuitable，dream 【参考范文】People have a dream to clone fierce and extinct animals.But in fact we are a long way from being able to clone extinct animals.Scientists are still experimenting with cloning mammals.Thats because the cloning of mammals is still a new science.Based on what we know now，it is either impossible or unsuitable to clone animals that have been extinct longer than 10，000 years.
