题目

California is the third largest state in the USA but has the largest population. It also has the (1)________ of being the most multicultural state in the USA, (2) ________ people from all over the world. Although at present human egg cells and embryos needed for cloning research are difficult (3)________, newspapers wrote of evil leaders hoping to clone themselves to attain their ambitions. Religious leaders also (4)________. Governments became nervous and more conservative. Some began to reform their legal systems and forbade research into human cloning, but other countries like China 物质从液态变为气态叫做    ，它有两种方式：    和    ．