大學(xué)英語四級710分考試真題演練

內(nèi)容概要

　　聽力理解部分測試學(xué)生獲取口頭信息的能力。錄音材料用標準的英式或美式英語朗讀，語速約為每分鐘130詞。聽力部分分值比例為35%，其中對話占15%，短文占20%?？荚嚂r間35分鐘?！　υ挷糠郑↙istening conversations）包括短對話和長對話，均采用多項選擇題的形式進行考核。短對話約有7-8段，每段為一輪對話和一個問題；長對話有兩段，每段為5-8輪對話和3-4個問題；對話部分共15題。每段對話均朗讀一遍，每個問題后留有15秒的答題時間。

章節(jié)摘錄

　　Dangers to Sea Life　　Plastic bags are now amongst the top 12 items of wastes most often found along the coastlines. Animals and sea creatures are hurt and killed every day by discarded plastic bags —— a dead turtle with a plastic bag hanging from its mouth isnt a pleasant sight but mistaking plastic bags for food is commonplace amongst marine animals. Plastic blocks their intestines （腸道 ） and leads to slow starvation. Others become entangled in plastic bags and drown.　　Because plastic bags take hundreds of years to break down, every year our seas become "home" to more and more bags that find their way there through our sewers and waterways. Every bag thats washed down a drain during rainfall ends up in the sea; every bag thats flushed down a toilet ends up in the sea; every bag thats blown into a river will most likely end up in the sea. One disquieting fact stemming from this is that plastic bags can become serial killers. Once an animal dies of plastic bags, it decays at a much faster rate than the bag. Once the animal has decomposed, the bag is released back into the environment more or less intact, ready to be eaten by another misguided organism. The incredibly slow rate of decay of plastic bags also means that each bag we use compounds the problem, because the bags simply accumulate.　　Pollution Taxes & Bans　　Different countries have adopted a range of approaches to discourage the use of plastic bags in an attempt to cut down on the number of bags finding their way into the environment. In South Africa for instance, where an estimated eight billion plastic bags are used annually, the government has implemented new regulations that will see only thicker, more durable plastic bags produced. As well as making them more suitable for reuse, it is hoped that the extra cost associated with their production and supply will prevent retailers giving the higher quality bags away, making their use a more expensive option for consumers.　　The use of plastic bags is being discouraged in other places such as Singapore and Taiwan, while the tax imposed on the use of plastic shopping bags in Ireland has resulted in the use of plastic shopping bags being reduced by 90％ in just six months. Prior to the 15 euro cent per bag tax, it was estimated that 1.2 million plastic shopping bags were being handed out in Ireland per year. The money raised from the tax will be used to fund environmental initiatives.

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