there will be no distinct major racial or cultural groups，but simply a mixture of many races and cultures.

人们认为，要不了多久，多种国籍的混合将会非常之大，以至于不可能存在一种明显主要的种族或文化群体，而只是多种族、多文化的混合体。

重点句式

3．________________California elected to become the thirty­first federal state of the USA in 1850，it was already a multicultural society.

到1850年加利福尼亚成为美国第31个州的时候，它已经是一个有着多种文化的社会了。

4．However，________________that Native Americans were living in California at least fifteen thousand years ago.

然而，很可能至少在15000年前美洲土著人就住在加利福尼亚了。

1.Built in 1873　2.It is believed that　3.By the time　4.it is likely

知识详解

1 .means　n．　手段；方法

(回归课本P2)Scientists believe that these settlers crossed the Bering Strait in the Arctic to America by means of a land bridge which existed in prehistoric times.

科学家们认为这些迁居者通过一条史前时代曾经存在的大桥穿越北极地区的白令海峡到达美洲。

by this means用这种方法

by means of通过，用，借助于

by no means决不，一点也不

(放在句首时，句子用部分倒装语序)

by all means务必，不惜一切地；

(用于交际英语表示同意)当然可以，没问题

[归纳拓展]

[例句探源]

①Every possible means has been tried，but none worked.

＝All possible means have been tried，but none worked.

各种可能的办法都尝试了，但没有一种奏效。

②(朗文P1277)Millions of Chinese rely on bicycles as their important means of transportation.

自行车是数百万中国人赖以出行的重要交通工具。

③(朗文P1277)By all means，drink plenty of water while exercising.

当然，锻炼的时候多喝水。

④By no means am I satisfied with my present job.

我对目前的工作一点也不满意。

[即境活用]

1．(2010年高考江苏卷)-Do you think their table tennis team will win the first place at the coming Asian Games?

-________.Ours is much stronger than theirs.

A．Of course 　　　　　　 B．It depends

C．Don't mention it D．By no means