题目内容

14.Do you constantly use the computer,whether for learning or entertainment?Computers give off radiation that is bad for your health,but here are some ways to protect yourself from computer radiation.
(16)E Green tea can be absorbed by the body easily into a form of vitamin A,which helps reduce radiation.(17)G
It is advisable to attach a radiation filter plate (辐射过滤板) in front of your computer's screen.Make sure to avoid putting any metal substances near your computer as these may have reflected some of the electromagnetic waves that are harmful to your health.(18)AThe brighter the screen the higher the radiation there will be and vice versa.
You can also put some radiation-absorbing plants such as several cacti near your computer to prevent radiation.
Make sure you do a skincare protection before sitting in front of the computer.(19)BWash your face soon after using the computer in order to reduce 70% of the radiation.
(20)FOld computer in general,has one to two times more radiations released than the new one within the same distance.

A.And adjust the brightness of your computer screen.
B.Apply a layer of facial mask to protect yourself.
C.And adjust the sound level on your computer.
D.The most efficient way is by drinking some coffee regularly.
E.The simplest way is by drinking 2 & 3cups of green tea every day.
F.If possible,purchase a new computer instead of using an old model computer.
G.It also helps keep our eyes see things clearly in the dark by improving the visual ability.

分析 本文介绍了几种减少电脑辐射的方法.

解答 16.E 考查上下文联系.根据下一句Green tea can be absorbed by the body easily into a form of vitamin A,which helps reduce radiation可知本段是关于用绿茶来减少电脑辐射的影响,故E项正确
17.G 考查前.后逻辑.绿茶还有另外的功能就是提高视力,故G项正确
18.A 考查上下文联系.根据下句The brighter the screen the higher the radiation there will be and vice versa.说明屏幕的亮度也是影响人们视力的原因,那么就要调整屏幕的亮度.故A项正确.
19.B 考查上下文逻辑关系.根据下一句Wash your face soon after using the computer在用完电脑以后要洗脸.那么之前也要采取措施,选项中只有B项是与之有关的.故B下符合上下文.
20. F 考查上下文联系.根据下句Old computer in general,has one to two times more radiation released than the new one within the same distance.说明旧电脑的辐射较大,那么应该使用新的电脑.故F项正确

点评 章层次结构清晰,上下文联系紧密,做题时,先通读全文,熟悉各选项,填句子的时候注意密切联系上下文,认真体会上下文之间的联系,填好之后可以代入检查核对.

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