聽(tīng)短文，選擇正確答案．短文讀兩遍．
（ 1 ）Why are machines so important to people？
A．They can help us do things better and faster．
B．Without the machines， people can do nothing．
C．The machines can work with people．
（ 2 ）What is a printing machine used for？
A．Washing clothes．
B．Printing books， magazines and newspapers．
C．Counting numbers．
（ 3 ）Which sentence is NOT true according to the passage？
A．The computer is a good machine．
B．All the people use computers．
C．Machines are widely used throughout the world．
（ 4 ）When was the computer invented？
A．Not long ago．
B．Long before．
C．In recent years．
（ 5 ）How fast does a computer count？
A．It counts as fast as a man does．
B．It counts very fast．
C．It counts millions of times faster than a man does．