分析 這篇短文主要介紹了電腦輻射對(duì)我們的身體造成了很大的危害.作者就減少電腦輻射給出了許多的建議.如用仙人掌裝飾辦公桌.每天喝兩到三杯綠茶,吃一個(gè)橘子等.
解答 答案:81.Using a desk computer is safer.細(xì)節(jié)理解題.根據(jù)第七、八行列舉的輻射量★Keyboard:1000 V/m★Mouse:450V/m★Monitor:218 V/m★CPU:170V/m★Notebook computers:2,500 V/m.可知臺(tái)式更安全.故答案為Using a desk computer is safer.
82.Way 2 and way 8 mention diets.細(xì)節(jié)理解題.根據(jù)句子2.Drink two to three cups of green tea a day and eat an orange daily.The vitamins in tea leaves and oranges protect us from radiation and keep our eyes healthy as well.每天喝兩到三杯綠茶,每天吃一個(gè)橘子,茶葉和橘子中的維生素能保護(hù)我們免受輻射,保持眼睛健康.及 8.Eat healthily-especially fruits and vegetables.健康飲食尤其是水果蔬菜.可知第2條和第8條提到了飲食.故答案為Way 2 and way 8 mention diets.
83.如果你做的唯一運(yùn)動(dòng)就是敲擊鍵盤,你可能會(huì)處于比變得肥胖更加嚴(yán)重的危險(xiǎn)中.考查翻譯.根據(jù)句子If the only sports you do are dancing your fingers across your keyboard,you could be in serious danger of more than just becoming fat!可知if意為如果,引導(dǎo)條件狀語從句.the only sports you do 你做的唯一運(yùn)動(dòng).dancing your fingers across your keyboard手指在你的鍵盤上跳舞意思就是敲擊鍵盤. could be 可能. in serious danger 處于嚴(yán)重危險(xiǎn)當(dāng)中,more than比…多,becoming fat變胖.故答案為如果你做的唯一運(yùn)動(dòng)就是敲擊鍵盤,你可能會(huì)處于比變得肥胖更加嚴(yán)重的危險(xiǎn)中.
84.我們?nèi)绱肆?xí)慣于使用電腦以至于我們很少將他們看做有害輻射的危險(xiǎn)來源.考查翻譯.根據(jù)句子We have got so used to using computers that we don't often think of them as dangerous sources(來源) of harmful(有害的) radiation.可知so …that如此…以至于,used to doing習(xí)慣于,固定用法;often 常常;think of 想起,固定詞組;故答案為我們?nèi)绱肆?xí)慣于使用電腦以至于我們很少將他們看做有害輻射的危險(xiǎn)來源.
85.D 主旨?xì)w納題.根據(jù)整篇文章內(nèi)容及其第二段第一行句子Do you feel sleepy,like something is weighing down on your head?Do you feel forgetful?Do you sometimes feel uncomfortable up and down your neck and lower back,and you can't explain why?Do you get sick often?It could be radiation(輻射) from your computer causing it.你覺得困倦嗎,像是什么東西壓在你的頭上?你覺得健忘嗎?有時(shí)候你的脖子和下背部感到不舒服,你不能解釋為什么?你經(jīng)常生病嗎?可能是你電腦的輻射造成的.可知短文告訴我們電腦輻射是個(gè)隱形的殺手.故選D.
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4 main food groups | They are the dairy product group,(81)the meat and fish group,the fruit and vegetable group and the bread and rice group. |
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