《2012新GRE逻辑阅读每日一题23-智课教育旗下智课教育》由会员分享，可在线阅读，更多相关《2012新GRE逻辑阅读每日一题23-智课教育旗下智课教育（3页珍藏版）》请在金锄头文库上搜索。
1、智 课 网 G R E 备 考 资 料2012新GRE逻辑阅读每日一题23-智课教育旗下智课教育Because the process of freezing food consumes energy, many people keep their electric freezers half-empty, using them only to store commercially frozen foods. Yet freezers that are half-empty often consume more energy than they would if they were kept
2、fully stocked. Which of the following, if true, contributes most to an explanation of the apparent discrepancy described above? A.A given volume of air in a freezer requires much more energy to be maintained at a temperature below freezing than does an identical volume of frozen food. B.The more oft
3、en a freezers door is opened, the more energy is required to maintain that freezers normal temperature. C.When unfrozen foods are placed in a freezer, the average temperature of a given volume of air inside that freezer rises temporarily.D.A person who normally maintains a half-empty freezer can cut energy costs considerably by using a freezer that is 50 percent smaller. E.An electric freezer can operate efficiently only if chilled air is free to circulate within the freezing compartment. 答案：(A)
