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提高GRE填空正确率的不二途径，一是有良好的单词基础，而容易被忽略的第二个条件，则是对题目进行逻辑分析。一道填空题，如果选对了，却不能有条理地把分析思路表达出来，或明确指出做题的线索，则还没有掌握做填空题的真谛。
接下来我会在每次的真题考试中，挑选出有挑战性的难题，或容易做错的题目，为大家附上深度解析，希望能够帮助备考的同学们在考场上思路更加清晰，稳拿填空满分。
1. 57-5
Parker’s model of human affairs reflects (i)_____ outlook, in stark contrast to the generally (ii)_____ premises that her colleagues in the economics department adopt in their work. Accordingly, her conclusions (iii)_____ theirs.
- 解析：
Parker’s model of human affairs reflects (i)_____ outlook, in stark contrast to the generally (ii)_____ premises that her colleagues in the economics department adopt in their work. Accordingly, her conclusions (iii)_____ theirs.
－做题关键信息: i空和ii空联动，根据in stark contrast to对比关键词确定两空互为取反。iii空根据accordingly因果关系词取同推知，与前文句意 － 即Parker的研究和她同事的研究大相径庭 － 等价。
－答案：ADI
－单词：
premise n. 前提
sanguine adj. 乐观的
introspective adj. 反省的，内省的
technical adj. 技术的，工艺的
pessimistic adj. 悲观的
theoretical adj. 理论的，假设的
distinctive adj. 独特的，与众不同的
diverge v. 存在分歧，相悖，偏离
－翻译：
Parker的人际关系的模型体现出乐观的前景，这与她经济学院其他同事论文中所采用的悲观前提大相径庭。所以，Parker得出的结论和他们的也完全相悖。
2. 70-4
The report is admittedly (i)_____ : it is intended to suggest new lines of research rather than to deal with the subject in a (ii)_____ manner.
- 解析：
The report is admittedly (i)_____ : it is intended to suggest new lines of researchrather than to deal with the subject in a (ii)_____ manner.
－做题关键信息：i空根据冒号解释说明推出。rather than提示对比逻辑，ii空内容根据划线部分取反推知。或根据逻辑提示，i空和ii空内容取反。
－答案：AF
－单词：
sketchy adj. 概要的，不完全的
exculpatory adj. 辨明无罪的
flippant adj. 轻率的，轻浮的
cavalier adj. 傲慢的，轻率的
deceptive adj. 欺骗性的，迷惑的
－翻译：
诚然，这份报告是概要性的：报告想要介绍研究的新思路，而非更全面的处理这个研究。
3. 73-4
There has been (i)_____ elephant’s fabled mental capacitiesuntil recently, when these behavioral observations have begun to be (ii)____ by brain science. MRI scans of an elephant’s brain suggest that even relative to its overall size it has a large hippocampus, the component in the mammalian brain linked to memory and an important part of its limbic system, which is involved in processing emotions.
- 解析：
There has been (i)_____ elephant’s fabled mental capacitiesuntil recently, when these behavioral observations have begun to be (ii)____ by brain science. MRI scans of an elephant’s brain suggest that even relative to its overall size it has a large hippocampus, the component in the mammalian brain linked to memory and an important part of its limbic system, which is involved in processing emotions.
－做题关键信息：recently暗示时间对比取反，i，ii空联动。根据第二句话脑科学证实大象具有处理思维能力得出挖空信息。
－答案：CD
－单词：
fabled adj. 传奇的，虚构的
limbic adj. 边缘的
credence n. 可信，真实
dismissal n. 不予理会
anecdotal adj. 传闻的，轶事的
buttress v. 支持，加强
anticipate v. 预料，预期
overwhelm v. 淹没，压倒，使不知所措
－翻译：
一直以来，只有传闻轶事可以为大象的思考能力提供佐证，直到最近这些行为被脑科学所证实。对大象大脑的核磁共振扫描显示，即使相对于大象的体积，其海马体也是很大的。而海马体则是关联记忆和边缘脑系统中处理感情的重要组成部分。
4. 89-2
It remains a mystery how Theobroma cacao, which scholars believe originated in lowland Amazonia, was introduced to tropical Mesoamerica. It must have been a (i)_____ process: cacao trees do not easily sprout from seed, need years to mature, and grow only in humid lowland forest. Moreover, in a tropical climate, cacao pods spoil quickly, rendering their transport from lowland Amazonia tropical Mesoamerica in a single journey by foot or canoe (ii)_____.
- 解析：
It remains a mystery how Theobroma cacao, which scholars believe originated in lowland Amazonia, was introduced to tropical Mesoamerica. It must have been a (i)_____ process: cacao trees do not easily sprout from seed, need years to mature, and grow only in humid lowland forest. Moreover, in a tropical climate, cacao pods spoil quickly, rendering their transport from lowland Amazonia tropical Mesoamerica in a single journey by foot or canoe (ii)_____.
－做题关键信息：三句话为大等价的关系，解释T cacao植物如何被引入至M地是个谜。冒号后内容解释i空的引入过程的特点。rendering引导的伴随状语具有因果关系提示作用，ii空则通过rendering前的原因推出。
－答案：BD
－单词：
sprout v. 发芽，生长
pod n. 豆荚
spoil v. 腐坏，破坏
render v. 致使，造成
canoe n. 独木舟
clandestine adj. 秘密的，暗中的
protracted adj. 持久的，漫长的
spontaneous adj. 自然的，自发地
redundant adj. 多余的，过剩的
expeditious adj. 快速有效的
－翻译：
学者认为源自亚马孙低地地区的Theobroma cacao是如何被引入到热带中美洲的过程，仍然是一个谜。其引进的过程一定很漫长：可可豆树的种子很难发芽，树木需要很多年才能长成，且只在潮湿的低地森林才能生长。此外，在热带气候中，可可豆的豆荚会很快腐败，这使得步行或乘船带着豆荚从亚马孙到中美洲是不可能的。
5. 104-7
Contrary to popular myth, cockroaches are not especially tough or radiation resistant；indeed, they are pretty _____ as insects go.
A. harmless
B. average
C. strong
D. undistinguished
E. weak
F. hardy
- 解析：
Contrary to popular myth, cockroaches are not especially tough or radiation resistant; indeed, they are pretty _____ as insects go.
－做题关键信息：分号后indeed与前一句内容取同，进一步解释说明与传说相反的关于蟑螂的认知，根据划线部分可推知挖空内容。
－答案：BD
－单词：
undistinguished adj. 平凡的，平庸的
hardy adj. 强壮的，适应能力强的
－翻译：
与流行的传说相反的是，蟑螂并非格外强壮或具有抗辐射性；实际上，它们和其他昆虫一样普通。
