Whenever we use electricity or drive our cars we may add something bad to the air around us.And even worse,we may cause a terrible problem-acid rain. | |
The formation of acid rain | When fuels,such as coal and gasoline are burnt,harmful gases are sent into the air.When these gases (54)mix with rain,acid rain forms. |
The harm of acid rain | Acid rain is greatly (55)harmful to the environment.It makes our rivers,ponds and lakes and oceans dirty and (56)causes the death of fish and plants.And it can corrode (腐蝕) the buildings we live in. |
The prevention of acid rain | Trying to prevent the pollution that gets into the air is (57)necessary.Keep the electrical appliances off while they are not in use.We can also use different ways of traffic to make less use of fuels. |
Research tells us that acid rain harms our environment.So people around the world can take small steps now to make a (58)difference to our kids. |
分析 原文大意:
每次我們打開電視或乘坐汽車,我們可能會引發(fā)一個環(huán)境問題,那就是酸雨.在這篇文章中,我們將學(xué)習(xí)一些有關(guān)于酸雨的常識.
酸雨的形成.
當(dāng)人們使用燃料(如煤和汽油)時,會釋放有毒氣體.當(dāng)這些氣體與雨混在一起,酸雨就形成了.許多發(fā)電站燃燒化石燃料以產(chǎn)生電力,供我們每天在家和辦公室使用.汽車和卡車在燃燒汽油的過程中也會產(chǎn)生并釋放這些氣體,然后送入空氣中.當(dāng)雨遇到這些氣體時,有害的東西--酸雨就形成了.這就是酸雨形成的過程.
酸雨的危害.
酸雨破壞它所觸及的一切.它毒害我們的河流,池塘,湖泊和海洋以及在里邊生活的生物.它污染我們的土壤和作物,傷害樹木,甚至可以殺死魚和植物.酸雨也會腐蝕掉我們建筑物.
防止酸雨.
我們需要減少,甚至阻止進(jìn)入污染氣體進(jìn)入空氣.在我們不使用燈,電視和其他電器的時候,應(yīng)該將它們關(guān)閉.盡可能地騎自行車或走路.如果我們旅行很長距離,乘公共汽車或火車以節(jié)省燃料.
研究表明,酸雨損害了我們的環(huán)境.但是我們可以在日常生活中做點小事,保護(hù)環(huán)境,為我們的子孫后代創(chuàng)造一個良好的生活環(huán)境.
解答 54.mix,推理判斷題,文中在酸雨形成部分寫到"When these gases come together with rain,acid rain forms",當(dāng)污染氣體與雨水結(jié)合后,酸雨就形成了.此時句中用到的是together with,意思為將兩種物質(zhì)放在一起,也就是混合,所以填寫mix(混合)用來保證句意相同.
55.harmful,推理判斷題,文中寫到"As research shows,acid rain harms our environment",根據(jù)研究表明酸雨對環(huán)境有害,應(yīng)該填寫harm,但此處在空格前是系動詞is,且存在副詞greatly,可知此處應(yīng)填寫一個形容詞,則填寫harmful.
56.causes,推理判斷題,文中說"It pollutes our soils and crops,harm trees,can even kill fish and plants",表明酸雨對土壤、樹木有害,且能夠殺死魚和植物,原文中用"kill"來表示;在此問題中,空格后為"the death of fish and plants",已經(jīng)說出了影響結(jié)果,那就是魚和植物的死亡,所以空格處應(yīng)填寫"導(dǎo)致",所以填寫cause,但此時句子主語為It,所以用第三人稱單數(shù)causes.
57.necessary,推理判斷題,文中原文為"We need to reduce and even stop the pollution that gets into our air",大意是我們需要減少或停止污染大氣,在問題中句子以動名詞形式作主語,此處缺少修飾詞"need",而位于系動詞之后的應(yīng)為形容詞,所以填寫necessary.
58.difference,推理判斷題,文章中提到"But people everywhere can take small steps now to help protect our environment for future generations."我們應(yīng)該為后代保護(hù)環(huán)境,也就是從現(xiàn)在開始,我們要做出改變,保護(hù)我們的世界,做一些有意義的事,為子孫后代留下一個干凈的世界,"make a difference"原意指"有區(qū)別,做出改變",在此處符合題意,所以填寫difference.
點評 考察同義詞、近義詞的辨析和應(yīng)用,此類題應(yīng)根據(jù)具體題意、含義和詞性進(jìn)行選擇,適當(dāng)變換文章中原有詞匯,選擇正確形式后填寫答案.
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