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
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