Question

完成下列句子

完成下列句子
Many young people can use a computer , but few of them know how to look after it . Remember the following tips when you use a computer .
Keep your computer in a cool , dry room . Too much or too little heat is bad for computers . Damp（潮湿）is also bad for them . Most computers work best at a temperature of 5-10 degrees centigrade（摄氏度）
Do not let people smoke cigarettes near your computer . Smoke of all kinds is very bad for many parts of the computer and can cause many problems .
Do not eat or drink when you are near your computer . Pieces of food or drops of water on the keyboard （键盘）can also cause many problems .
Make sure that the keyboard and the screen are the correct height for you . If they are not correct , you will get a backache .
Make sure the screen is the correct distance from your eyes . If you wear glasses , make sure these glasses are correct for using the computer . Some people use a different pair of glasses when they use a computer .
Keep your screen clean and do not have it too bright . A dirty screen can hurt your eyes . A very bright screen can also be bad for your eyes . If you can afford one , buy a computer screen . It will be better for you than using the screen of a TV set .
Never use any software（软件）hat you don’t know whether they are clean or not . You must be careful because software can bring viruses（病毒）into the computer . If your computer has viruses , it can’t work or even breaks down .
1.The best condition for computer is to be（）and （）.
2.Don’teat ,（）or（）near your computer.
3.Make sure the screen and keyboard are the correct height for you（）（）you won’t get a backache .
4.You had better use（）glasses and a clean screen（）of the screen of a TV set .
5.We can know how to （）（）our computers according to the tips above .

Answer 1

1.  cool  dry
   

2. smoke  drink

3. so that

4. correct  than

5. look after
   

追问

4.You had better use（）glasses and a clean screen（）of the screen of a TV set .