Can you use a computer？Do you know how to look after a computer？
   Many people often use a computer，but they can't look after it．We should look after it when we use a computer．
   ◆Keep your computer in a cool and dry room．
   ◆Keep your screen clean and don't make it too bright．A dirty or too bright screen is bad for your eyes．
   ◆You must not smoke cigarettes near your computer．Smoking is bad for your computer．
   ◆You shouldn't eat or drink near your computer．Small pieces of food or a little water on the keyboard can also cause many problems．
   ◆Make sure that the keyboard and screen are at a correct height．If it is not correct，you will get backache．
   ◆ Never use software that you don't know very much．Maybe it brings viruses into your computer．If your computer has viruses，it can't work or even breaks down．

根據(jù)短文內(nèi)容判斷句子正（T）誤（F）．
（1）Many people can look after a computer．

F

F

（2）Too bright screens are good for your eyes．

F

F

（3）Smoking is bad for your computers．

T

T

（4）If you use software，your computer can't work．

F

F

（5）If the keyboard isn't at a correct height，you'll get backache．

T

T