2. 外语
  3. Every second,【C1】______hectare of the world’s rainforest is destroyed. That’s one to two football fields. This【C2】______rate

Every second,【C1】______hectare of the world’s rainforest is destroyed. That’s one to two football fields. This【C2】______rate

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问题     Every second,【C1】______hectare of the world’s rainforest is destroyed. That’s one to two football fields.
    This【C2】______rate of destruction has serious consequences【C3】______the environment Scientists estimate, for example, that 137【C4】______of plant, insect or animal become【C5】______every day due to logging. In British Columbia,【C6】______, since 1990, thirteen rainforest valleys have been clear cut, 142 species of salmon have already become extinct, and the 【C7】______of grizzly bears, wolves and many other creatures are threatened. Logging, 【C8】______, provides jobs, profits, taxes for the government and cheap products of all kinds for consumers, so the government is【C9】______to restrict or control it Much of Canada’s forestry production【C10】______making pulp and paper. According to the Canadian Pulp and Paper Association, Canada【C11】______34% of the world’s wood pulp and 49%of its newsprint paper. If these paper products could be produced in some other way, Canadian forests could be【C12】______. Recently, a possible【C13】______way of producing paper has been suggested by agriculturalists and environmentalists: a plant called hemp. Hemp has been cultivated by many cultures for thousands of years. It produces fibre which can be【C14】______paper, fuel, oils, textiles, food, and rope. For many centuries, it was essential to the economies of many countries【C15】______it was used to make the ropes and cables used on sailing ships; colonial expansion and the establishment of a world-wide trading【C16】______would not have been possible【C17】______hemp. Nowadays, ships’ cables are usually made from wire or synthetic fibres, but scientists are now suggesting that the cultivation of hemp should be【C18】______for the production of paper and pulp. According to its proponents, four-times as【C19】______paper can be produced from land using hemp rather than trees, and many environmentalists believe that the【C20】______scale cultivation of hemp could reduce the pressure on Canada’s forests.
【C4】
选项 A、types
B、categories
C、species
D、classes
答案C
解析 本题考核的知识点是：of结构+名词辨析。of结构考查修饰关系。四个词都有“种类，类型”的意思。type指一种类型，如：Cotton is a type of material．棉花是一种材料。category侧重在一大系统中将各种物质进行划分，如：There are different categories of books in a library．图书馆里有各种不同种类的书籍。species专门指(植物或动物的)种，如Some species of animals have be-come extinct because they could not adapt to a changing environment.有一些动物已经灭种了，因为它们不能适应环境的变化。class侧重按照质量、等级进行划分，如top class student一流的学生。文中指的是植物、动物的种类；因此C为答案。
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