20.specialist n.专家

special adj.特别的；专门的

Ⅱ.重点短语

1.look into调查

2.for fun为了娱乐

3.be based on以......为基础；以......为依据

4.die of死于

5.live on靠......生存

6.in peace和平地

7.carry out实施，执行；完成

8.be suitable for适合于......

Ⅲ.重点句式

1.What...be like句型

Some like to read fantasy stories and imagine what the world will be like in 10,50 or even 1,000 years' time.有些人喜欢阅读幻想故事，想象世界在10年、50年甚至1 000年后会变成什么样。

2."by＋将来时间点"的主句时态；no matter what

By the year 2015，the clothing industry will have produced(produce) new types of material that will remain stainless no matter what you spill on them.到2015年，服装工业将生产出新型的材料，不管你将什么东西洒在这些材料上，都不会留下污点。

3.it作形式宾语

By the year 2030，development in biochemistry and medical science will have made it theoretically possible for us to live for at least 150 years.

到2030年，生物化学和医学科学的发展将能够在理论上使人类生命延长到至少150岁。

4.倍数表达法

By the middle of the century，computers that are millions of times smarter(smart) than us will have been developed.到这个世纪中期，比我们聪明百万倍的电脑将被研制出来。

Ⅰ.课文判断正(T)误(F)

1.The writer is interested in futurology because he likes to read fantasy stories.(F)

2.Some predictions have come true like landing on the moon.(T)

3.In the next few years，we will use voice to give computers instructions to avoid hackers attacking the computer system.(F)