GRE填词题 | 破解GRE填词系列（三） Each of the country’s 26 sates and most of its more than 2,000 municipalities have their own police forces, _____ communication and making it difficult to establish a coordinated law-enforcement strategy

GRE填词题 | 破解GRE填词系列（二） Some have argued that naming scientific discoveries after the people who make them can _____ scientific progress, because the nomenclature lacks useful clarity, having no relationship to the underlying principles that govern nature.

GRE填词题 | 破解GRE填词系列（十） Therefore所建立的因果关系说明，如果出现的结果（improper management），就要反向于上一句所陈述的道理（是combination而不是in itself）。

GRE填词题 | 破解GRE填词系列（四） 题目中的完整的clause是Jo was flabbergasted (flabbergast使。。。目瞪口呆)when Marcus publicly made clear his objections to some changes the boss was introducing是用于判定选项的重要依据。

GRE填词题 | 破解GRE填词系列（一） Origin, distribution, and habitat are included in the book for some but not all of the plants; offering this information for each species would have given readers a clearer appreciation of the differences between _____ and introduced species.

GRE填词题 | 破解GRE填词系列（二十） Campus-wide discussion on academic integrity can be (i)_____ by the fact that faculty and students tend to define cheating in (ii)