维B2 阅读理解
选材网站:http://www.scidev.net/zh
高考曾用材料:2017卷C篇
选材相似度:★★★★
设题相
Ever since the world was introduced to Dolly,the cloned sheep,in 1997,various fears have been expressed that researchers would be tempted to apply to humans the techniques that were used to produce her.Some objections have been practical; many scientists have warned that these techniques remain too dangerous.Others have focused on the unpredictable psychosocial consequences of producing humans that are genetically identical to other individuals.But the strongest opposition has been based on a moral certainty that,whatever the practical risks involved,producing carbon copies of human beings is ethically unacceptable.
The United Nations faces an opportunity to turn this moral certainty into international law when a committee takes up discussion of a possible treaty that would make what is known as “reproductive cloning” a criminal offence.Building on a long line of international treaties targeting unethical practices,from human slavery to the use of biological weapons,the United Nations is likely to be asked to approve a new agreement that would place human cloning in the same category.
In this case,however,the United Nations is in danger of shooting itself in the foot.For the debate over the outlawing of reproductive cloning has been hijacked by those whose principal goal is different.To achieve this,they are seeking to have the proposed ban extended to cover not only the reproductive
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