填空题 A the nucleus of a cell
B cloned human beings
C a human being in two years
D a law to ban human cloning
E a report on human cloning
F heavy media coverage

填空题 Richard Seed claimed to be able to clone______.

填空题 Richard Seed's announcement received______.

填空题 The United States will introduce______.

填空题 Within ten years scientists will probably have______.