进行，而是转移到了这样的太空站里。在太空中，一组工程师给机器人设计了程序让它们完成工作。机器人生产像药品、衣服、家具和气垫车之类的货物。没有废弃物，没有污染，也没有对环境的危害！但是，这些公司必须训练他们的代表来空间站生活和工作。他们必须监视机器人及其生产。货物生产出来之后，就被工业宇宙飞船运回地球。

　　我的思绪开始漫游。我能做些什么工作呢？当我想到未来世界的美好前景时，我兴趣倍增。

　　Step 1　Read the text and answer the following questions.

　　1．What did the writer see on the space station?

　　①a_"thoughtpad"

　　②a_waste_machine

　　③manufacturing_robots

　　2．Why does the space station spin slowly in space?

　　To_imitate_the_pull_of_the_earth's_gravity.

　　3．Who will take the place of the workers in the 31st century?

　　The_robots.

　　Step 2　Choose the best answers according to the text.

　　1．The most up­to­date inventions of the ________ century are on exhibition.

　　A．31st　　　　　　　　　 B．41st

　　C．21st D．51st

　　2．People in the future communicate with each other by using ________.

　　A．computer B．typewriter

　　C．letters D．a "thoughtpad"

　　3．Rubbish will be dealt with by ________.

　　A．burying it

　　B．burning it

　　C．throwing it away

　　D．a giant machine which can swallow it

　　4．If the user doesn't think his or her message clearly, ________ may be sent.

　　A．an unclear message B．a right message

　　C．a wrong message D．a useless message

5．In the future, there will be no ________ in the wonderful world.