Cloning is an approach to 【小题1】(make) an exact copy of another animal or plant, which, in our daily life, happens quite often. It has two major uses. 【小题2】is that gardeners take cuttings from growing plants to make new ones. The other is that it is 【小题3】(value) for medical research on animals. The process of cloning is a difficult task 【小题4】(undertake).

The first successful clone, Dolly the sheep, 【小题5】(arouse) worldwide 【小题6】(curious) and concern because of its scientific and ethical implications(影响). She was the first mammal to be cloned from adult DNA 【小题7】(take) from an adult cell. Dolly’s appearance raised a storm of 【小题8】(object) and had a great effect 【小题9】the media and public imagination. Different people have different opinions on it. However, scientists still wonder 【小题10】cloning will help or harm us and where it is leading us.