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英語六級聽力技巧分享與預(yù)測
在六級聽力講座部分一定要要重視首段的功效。當(dāng)是面對篇幅較長、題材多樣、內(nèi)容豐富的六級的講座，只理解開篇或許能夠幫助大家拿到一部分分?jǐn)?shù)，要想取得更高分?jǐn)?shù)，那么就需要一些輔助的招數(shù)，教給大家一個被人們忽略卻非常重要的技巧——預(yù)測。我們在英文聽力中，在把握文章主題，抓住段落中的關(guān)鍵詞和核心概念后，也應(yīng)該迅速激活自己在該話題領(lǐng)域的相關(guān)知識，對可能聽到的內(nèi)容進(jìn)行合理預(yù)測。能夠運(yùn)用預(yù)測的技巧合理推測后文內(nèi)容從而做到和作者的思想交流，對于我們掌握整篇文章起著事半功倍的效用，所以大家一定要重視預(yù)測這一聽力技巧。
現(xiàn)在我們來聽一篇六級聽力講座題：
Now listen to the following recording and answer questions 23 to 25
Now listen to the following recording and answer questions 23 to 25
23
A.The former is helpful while the latter is harmful.
B.The former can be avoided while the latter cannot.
C.The former causes more harm than the latter.
D.The former is natural while the latter is not.
24
A.Large areas of forests are felled.
B.The world population keeps increasing.
C.People create things that release extra heat.
D.There are too many cars that bum gas.
25
A.The polar ice caps and glaciers will melt.
B.More animals will have to find new habitats.
C.The price of gas will keep soaring.
D.There will be more earthquakes.
原文：
Many people may not realize it, but the greenhouseeffect and global warming are totally differentthings. The greenhouse effect is something thathappens with all celestial bodies — planets, moons,and suchthat have an atmosphere. Anyway, backto the greenhouse effect. The greenhouse effect isa process that happens when the sun's heat entersEarth's atmosphere. The sun's rays warm the earth, and the atmosphere keeps the heat in,just like a greenhouse. It's a very natural thing, and in most cases, the planet system knowshow to balance itself out. Anyway, like I said, it's a pretty natural process.
Now all this gets messed up when humans, um, add stuff to Earth's atmosphere. That's whenglobal warming, which is not a natural process, happens. See, what happens is that peoplecreate, um, things that create extra heat. For example, cars. We drive cars all the time. So wedrive our cars, and our cars bum gas, and this exhaust is pretty hot. And the atmospherekeeps this heat around the planet. Plus, all of our machinery and our factories and stuff, theyall produce heat. So all this stuff creates what scientists are calling global warming. Earth'ssurface and atmosphere just keep getting hotter.
Now global warming has many negative effects, but I think one of the biggest problems withglobal warming is the melting of polar ice caps and glaciers. See, our planet has huge chunksof ice at both of its poles. And when global warming happens, um, the overall temperature ofthe planet increases. And what this does is it makes polar ice melt. So when ice melts, it turnsinto water, which goes into our oceans. And that causes the level of water to rise. And thiscould also cause major flooding.
問題：
Question 23. What's the difference between greenhouse effect and global warming?
Question 24. According to the speaker, why does global warming happen?
Question 25. What's the speaker's biggest concern with global warming?
原文釋義：
很多人或許沒有意識到，但是溫室效應(yīng)和全球變暖是兩種完全不同的事。溫室效應(yīng)是所有有大氣層的天體都會出現(xiàn)的現(xiàn)象，比如行星、月球，等等。不管怎樣，繼續(xù)說溫室效應(yīng)。當(dāng)太陽的熱量進(jìn)入地球大氣層時(shí)，就會出現(xiàn)溫室效應(yīng)。太陽光使地表暖和起來，而大氣層將熱量保存起來，就像個溫室一樣。溫室效應(yīng)是一個十分自然的過程，多數(shù)情況下，地球系統(tǒng)自有辦法保持平衡�？傊�，就像我說的，它是一個很自然的過程。
當(dāng)人類在大氣中增加了很多物質(zhì)時(shí)，所有的這一切就變糟糕了。那時(shí)候就會出現(xiàn)很不自然的過程——全球變暖。全球變暖是由于人們制造了很多排放多余熱量的事物。比如，汽車。我們一直都在開車。我們開車，車會產(chǎn)生氣體，而這些氣體溫度較高。大氣層將這些熱量保存在地球周圍。另外，我們的機(jī)器、工廠等等，都會產(chǎn)生熱量。所有這些東西就造成了科學(xué)家所說的全球變暖。地球表面和大氣層都變得越來越暖。
現(xiàn)在全球變暖有很多負(fù)面影響，但是我覺得全球變暖最大的問題之一就是極地冰蓋和冰川的融化。我們的地球在兩極地區(qū)都有大量的冰川覆蓋。出現(xiàn)全球變暖以后，地球的整體溫度上升。這帶來的影響就是極地冰雪融化。那么冰雪融化時(shí)，就會變成水，流入海洋。這會使海平面上升。也會造成嚴(yán)重洪災(zāi)。
問題釋義：
問題23 溫室效應(yīng)和全球變暖的區(qū)別是什么?
問題24 根據(jù)發(fā)言人，為什么會出現(xiàn)全球變暖?
問題25 發(fā)言人對全球變暖最大的擔(dān)憂是什么?
參考答案：
【小題23】D
【小題24】C
【小題25】A
習(xí)題解析：
【小題23】聽力原文在對溫室效應(yīng)進(jìn)行解釋說明之后總結(jié)說Anyway, like I said, it's a pretty natural process. 指出溫室效應(yīng)是一個十分自然的過程。隨后說到人類在大氣中增加了很多物質(zhì)時(shí)，所有的這一切就變糟糕了，并緊接著提到That's when global warming, which is not a natural process, happens.由此可見，全球變暖不是自然過程，而是人類使然，因此D項(xiàng)表述正確，故選D。
【小題24】聽力原文中在說到全球變暖并非自然過程之后，提到See, what happens is that people create, um, things that create extra heat.由此可知，全球變暖是由于人們制造了很多排放多余熱量的事物，故選C。A、B兩項(xiàng)在聽力原文中并未提及，D項(xiàng)中提到了消耗汽油的汽車，但這只是造成全球變暖的一個因素，并不能概括所有因素，故排除。
【小題25】聽力原文中提到Now global warming has many negative effects, but I think one of the biggest problems with global warming is the melting of polar ice caps and glaciers.指出在演講者看來，全球變暖的最大問題在于極地冰雪融化，因而A項(xiàng)表述正確，故選A。其他幾項(xiàng)在聽力原文中并未提及，均排除。
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