单选题
专四
2014-02-26
Alkaline solutions are used to
A.prevent darkening of certainfruit
B.crack the skins of certain fruit
C.produce special wax coating
D.decrease the rate of drying
参考答案
B
答案解析
B。本题出题点在段尾。根据题干信息词alkaline solution将答案锁定在第三段。文章第三段最后提到,用于制作李脯的李子和用于制作葡萄干的各种葡萄被泡在一种碱性溶液里,这样可以使水果的外皮轻微裂开,并去除其表层的蜡,以便增加干燥的程度,由此推断,碱性溶液被用于裂开某些水果的表皮,故选B。
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