2、On the other hand, Dolly’s    46  （appear）raised a storm of objections and had a great impact    47    the media and public imagination. It became controversial.

48    at present human egg cells and embryos    49  （need）for cloning research are difficult to obtain, newspapers wrote of evil leaders    50  （hope）to clone themselves to attain their ambitions. Religious leaders also raised moral questions. Governments became nervous and more    51  （conserve）. Some began to reform their legal systems    52    forbade research into human cloning, but other countries    53    China and the UK continued to accumulate evidence of the abundant medical aid    54    cloning could provide. However, scientists still wonder whether cloning will help or harm us and    55    it is leading us.