分析 本文是一篇科教类阅读,主要介绍一种将会取代塑料的新产品--liquid wood.
解答 71-75 CCDBA
71题答案:C考查细节推理,根据文章第二段中的Secondly,it contains toxins (毒物) helping develop cancerous diseases.其次,塑料含有致癌物.可知本题答案为C选项.
72题答案:C考查细节推理,根据原文第三段it turns into solid and non-toxic alternative for plastic及第五段的In addition,liquid wood can be recycled repeatedly."它变为了固体和塑料的无毒替代品"及第五段的"另外,liquid wood(即arboform这种材料)能够被重复回收"可知本题答案为C选项.
74题答案:D考查细节推理,根据前面的Once mixed with several other matenals,it turns into…"一旦与几种其它材料混合,它就变成了…".可知alternative指的是"几种材料的混合物",故本题答案为D选项.
73题答案:B考查细节推理,根据原文最后一句German researchers are sure to reduce the amount of sulfur by 90% very soon to make arboform usable for home needs.德国研究者一定会很快减少90%的硫含量来使arboform这种材料可用于家庭必需品.可知本题答案为B选项.
75题答案:A考查主旨代替,文章主要是向读者介绍了一种将会取代塑料的新产品--liquid wood.故本题答案为A选项.
点评 本文是一篇科教类阅读,题目涉及多道细节理解题,做题时结合原文和题目有针对 性找出相关语句进行仔细分析,结合选项选出正确答案.推理判断也是要在抓住关键句子的基础上合理的分析才能得出正确的答案.
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