Unit3 Using language一.Preview: para
巨大的 带某人参观 adj
可移动的 Para
瞬间,片刻 (词组)环保的 para
3 看起来像
垃圾箱 (词组)被处理 (词组)生态学原理 adj
贪吃的,贪婪的 vt
吞下,咽下 n
原料,材料 vt
回收利用,再利用 Para
代表,典型人物 n
定居,解决 工业用太空船 Para
动机二.Choose the best answer
1) Why does the space station spin slowly in space
To prevent itself falling onto the ground
To look more beautiful
To imitate the pull of the earth’s gravity
To get away from the pull of the earth’s gravity
2)How do the space citizens send their messages
By using typewriters B
By sending letters
By sending e-mails
By using a “thoughtpad” 3)
Which will take the place of the workers in the 31st century
The robots
The manufacturing machine
The waste machine
The spacemen
It can