Although the first computer was only introduced to China in the mid-1950s, since then ,a number of computers       1._____ used in different fields has been grown rapidly.                     2.______ Computers are now affected millions of people in countless ways       3.______ every day. They are used to predict the weather, examine the           4.______ ocean,and to develop defence systems. They depend more and more   5._____ heavy on computers. There is no reason to think that their use         6._____ will decrease.By the contrary ,they will develop more rapidly            7. ______ as you think.If you are among those who still don't know much                8.______ about computers, you will lost in the future. 9.______ You should learn what you can while you still have the chance 10.______