【題目】根據(jù)短文內(nèi)容，從短文后面的選項(xiàng)中選出能填入空白處的最佳選項(xiàng)。其中有兩項(xiàng)為多余項(xiàng)。

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.

___【1】____Green tea can be absorbed by the body easily into a form of vitamin A, which helps reduce radiation. _____【2】___

It is advisable to attach a radiation filter plate （輻射過濾板） 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. ____【3】_____The 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. ________【4】___Wash your face soon after using the computer in order to reduce 70% of the radiation.

______【5】____ Old 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 & 3 cups 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.

【答案】

【1】E

【2】G

【3】A

【4】B

【5】F

【解析】

試題分析：本文介紹了幾種減少電腦輻射的方法

【1】E本段是關(guān)于用綠茶來減少電腦輻射的影響，故E項(xiàng)正確。

【2】G綠茶還有另外的功能就是提高視力，故G項(xiàng)正確

【3】A根據(jù)下句The brighter the screen the higher the radiation there will be and vice versa.說明屏幕的亮度也是影響人們視力的原因，那么就要調(diào)整屏幕的亮度。故A項(xiàng)正確。

【4】B根據(jù)下一句Wash your face soon after using the computer在用完電腦以后要洗臉。那么之前也要采取措施，選項(xiàng)中只有B項(xiàng)是與之有關(guān)的。故B下符合上下文。

【5】F根據(jù)下句Old computer in general, has one to two times more radiation released than the new one within the same distance.說明舊電腦的輻射較大，那么應(yīng)該使用新的電腦。故F項(xiàng)正確。

【名師點(diǎn)撥】

【七選五題型分析】

分析篇章結(jié)構(gòu)，把握全篇文脈是閱讀填空題解題的關(guān)鍵，英語的語篇（discourse）通常是由句子和語段（sentence group）構(gòu)成的，語段是句子和語篇之間的中間層次，句子雖然能夠單獨(dú)地表達(dá)相對完整的思想，但是它不能表達(dá)多方面的、比較復(fù)雜的思想，只有把幾個(gè)句子結(jié)合為較大的言語片段，才能表達(dá)一個(gè)相對獨(dú)立的層意，所謂的“積句而成章，積章而成篇�！本褪沁@個(gè)道理。

分析文章的層次包含兩種形式：一種是分析整篇文章的層次，也就是段落，另一種是分析每一個(gè)段落內(nèi)部的層次，也就是語篇層次。

語篇與段落是有區(qū)別的，語段是篇章結(jié)構(gòu)的中間層次，是由句子到篇的一種過渡形式，段落（paragraph）是在某些語體（如記敘文、議論文）中比語段更大的意義單位，較小的段落可以只包括一個(gè)語段或一個(gè)句子，一般來說，一個(gè)段落通常由幾個(gè)語段構(gòu)成。構(gòu)成語段的方式有兩種，一是靠句際間意義的結(jié)合，如小題4 B根據(jù)下一句Wash your face soon after using the computer在用完電腦以后要洗臉。那么之前也要采取措施，選項(xiàng)中只有B項(xiàng)是與之有關(guān)的。故B下符合上下文。

二是靠句際間的關(guān)聯(lián)詞，邏輯性插入語來連接，在分析語段層次時(shí)，可以借助句際間的連接詞語作出判斷，但最主要的還是要真正體會(huì)句際間的意義關(guān)系，把握作者的思路，從語序上去發(fā)現(xiàn)斷續(xù)點(diǎn)，理清層次，好文章的層次非常清晰，只有層層入手，才能真正理解文章。如小題3 A根據(jù)下句The brighter the screen the higher the radiation there will be and vice versa.說明屏幕的亮度也是影響人們視力的原因，那么就要調(diào)整屏幕的亮度。故A項(xiàng)正確。

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