The next step could be to develop a plastic which could replace tins for food. The problem here is the high temperatures necessary for cooking the food in the container.

　　26. Plastics of various kinds have been used for making bottles__________.

　　A. since 1982

　　B. since the 1970s but only for large bottles

　　C. since the 1960s but not for liquids with gas in them

　　D. since companies like Coca Cola first tried them

　　27. Why is ICIs Plastics Division interested in polyester for bottles?

　　A. The other things they make are not selling well.

　　B. Glass manufacturers cannot make enough new bottles.

　　C. They have factories which could be adapted to make it.

　　D. The price of oil keeps changing.

　　28. Why arent all bottles now made of polyester?

　　A. The price of oil and plastic has risen.

　　B. It is not suitable for containing gassy drinks.

　　C. The public like traditional glass bottles.

　　D. Shop-keepers dislike reusable bottles.

　　29. Manufacturers think polyester bottles are better than glass bottles because they ______.

　　A. are cheaper

　　B. are more suited to small sizes

　　C. are more exciting to look at

【暑期大学英语六级阅读题型精选练习汇总】相关文章：

★ 2010年6月英语六级考试的标准阅读第6篇

★ 2013年大学英语六级考试六级阅读理解专项练习Passage 3

★ 2011年最新六级阅读理解模拟练习（74）

★ 2013年大学英语六级考试阅读的训练题8

★ 2012年12月英语四六级阅读理解暑假备考练习题与解析②

★ 2011年最新六级阅读理解练习（45）

★ 英语四级考试阅读备考材料(2)

★ 2007年新东方大学英语六级的讲义翻译部分

★ 英语四级阅读理解模拟题及答案详解18

★ 2011年最新六级阅读理解模拟练习（64）