3.The first to be cloned 4.who created Dolly considering cloning
5.________,he thinks research efforts should ______________ creating new tissues and organs that can be used to cure diseases like cancer.
相反,他认为应该将研究精力集中在制造能够被用来治疗癌症等疾病的组织和器官上。5.Instead concentrate on
6.________ cloning human embryos is not legal in many countries,some scientists are already ________________ research ____________ produce a cloned human baby.
尽管克隆人类胚胎在很多国家还不合法,但一些科学家正在加紧研究,以制造出克隆的人类婴儿。6.While pushing ahead with in order to
第一板块 词汇精讲
1.on the one hand...,on the other hand...一方面……;另一方面……
【教材原句】On the one hand,some scientists point out that if you clone an embryo,you can produce valuable human tissues-such as bone or lung tissue-that could be used to save human lives.
一方面,一些科学家指出如果克隆人类胚胎,你就可以制造出宝贵的人体组织——如骨组织或肺组织——它们可以用来拯救人类的生命。
they say they wish to reduce the cost of living,and
they increase the duties on a number of articles.
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