题目内容：

课文填空（每空至多三个词）

California is the third largest state in the USA but has the largest population. It also has the1.   of being the most multicultural state in the USA, 2.   people from all over the world. The customs and languages of the immigrants live on in their new home. This diversity of culture is not  3.  when you know the history of California.

People from different parts of the world, attracted by the climate and the lifestyle, still immigrate to California. It is believed that before long the mix of nationalities will be 4.   great that there will be no distinct major  5.  or cultural groups, but simply a mixture of many races and cultures.

Although at present human egg cells and embryos  6. for cloning research are difficult to obtain, newspapers wrote of evil leaders  7.  to clone themselves to attain their ambitions. Religious leaders also raised moral questions. Governments became nervous and more conservative. Some began to reform their legal systems and  8.  research into human cloning, but other countries like China and the UK, continued to accumulate evidence of the  9.  medical aid that cloning could provide. However, scientists still wonder whether cloning will help or harm us and  10.   it is leading us.