缺点：克隆可能会与道德发生冲突；克隆将降低原来生命的价值。
参考词汇：复制 copy; 物种消失 the disappearance of living things; 没有生育能力的人 people unable to have children
【写作要求】
必须使用5个句子介绍全部所给的内容。
in modern times, scientists can copy or clone the things which many people want to own. as we know, cloning has some advantages. it can prevent from the disappearance of living things in the world and enable us to get a new one of the old. besides, with the cloning technology, people unable to have children can realize their dreams. but cloning has its disadvantages which result in reducing the value of the original one and causing conflicts between morality.
1. vi. 不同；相异
2. adj. 准确的；精确的
3. vt. 着手；从事；承担资源难易程度:★★★★★★★★★★★★★★★
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