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新gre逻辑阅读每日一练16

发布时间：2016-03-01 编辑：查字典英语网小编

　　新gre考试实施以来，参加了新版gre考试的考生都觉得阅读部分的题难度增加了，这主要是由于新gre考试逻辑阅读需要考生的逻辑反应一定要比以前更快，可能考生还是有点不习惯，或是没有准备充足。那么，接下来的几天，小编将给大家搜索整理一些新gre考试逻辑阅读的练习题，希望考生能从平日的练习中总结规律，找到解题技巧。

　　Heat pumps circulate a fluid refrigerant that cycles

　　alternatively from its liquid phase to its vapor

　　phase in a closed loop. The refrigerant, starting as a low-

　　temperature, low-pressure vapor, enters a compressor

　　5 driven by an electric motor. The refrigerant

　　leaves the compressor as a hot, dense vapor

　　and flows through a heat exchanger called the

　　condenser, which transfers heat from the refrigerant to a body of air.

　　Now the refrigerant, as a high-pressure, cooled liquid, confronts

　　10 a flow restriction which causes the pressure to drop. As the pressure

　　falls, the refrigerant expands and partially vaporizes,

　　becoming chilled. It then passes through a second

　　heat exchanger, the evaporator, which transfers

　　heat from the air to the refrigerant, reducing the

　　15 temperature of this second body of air.

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　　1. According to the passage, the role of the flow restriction in a heat pump is to

　　 measure accurately the flow rate of the refrigerant mass at that point

　　 compress and heat the refrigerant vapor

　　 bring about the evaporation and cooling of refrigerant

　　 exchange heat between the refrigerant and the air at that point

　　 reverse the direction of refrigerant flow when needed

　　答案：C

　　以上即是阅读练习题，对于新gre考试逻辑阅读，考生除了采取题海战术，其实更应该做的就是总结。如果能从平日的练习中找到解新gre考试逻辑阅读题的思路，那么，要比采取题海战术更好。

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新gre逻辑阅读 每日一练16

发布时间：2016-03-01 编辑：查字典英语网小编

新gre逻辑阅读每日一练16