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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。 Questions 4 and 5 are based on the following reading passage. The complications frequently accompanying diabetes,such as impairment of vision and of kidney function, are now thought to result from the lack of continuous control of blood glucose concentrations. The healthy pancreas,in response to increases in blood glucose concentration,releases small quantities of insulin throughout the day and thereby maintains the concentration within physiological limits . But the diabetic generally receives only one large dose daily. The diabetics blood glucose concentration can thus fluctuate greatly during the interval between doses, and it has been suggested that the complications result from the periods of high concentrations of blood glucose . Many investigators thus believe that restoration of normoglycemia might halt the progression of such complications and perhaps even reverse them. For the following question, consider each of the choices separately and select all that apply | 
