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读英语！练英语！！！
(首字母提示版完形操练及原题解析见谈论区)
■阐明1
1）大学英语触及基础单词3500个支配，这些单词大有些是英语中心词汇中的中心，许多单词一般有多个词性，包括多个词义，且运用活络多变，真实要掌控得好难度极高。
2）这些单词对应短语其数量按低需求有至少量百条，按高需求达数千条。而与之的有关习气表达、常用语更是数量许多。这些短语和习气表述是英语实践使用(不管是口语、写作仍是翻译)中的基础要件。
3）英语语法在大学期间完全教授结束，假定在此期间能熟练掌控这些语法常识，就足以应对日后长时刻英语学习中的语法疑问。
掌控大学期间3500单词的丰厚词义及有关短语和习气表达，将为英语后续学习打下坚实基础，显着前进英语实践运用才能，也是高考英语获得高分的取胜要诀。
本专题选择高考英语真题、模
拟题中的语篇材料对大学期间语法和词汇进行会集、关于性操练。
■阐明2
1）两段拓宽完形操练常识点是错开的，这样可以对常识点进行“广掩盖”，且不会因语句过于“破碎”而影响语感。
2）一文四练：①原文操练；②拓宽操练：做拓宽操练时，可读原文，并有知道地去记一些常识点，再经过做拓宽操练(凭仗译文提示内容)安靖这些常识点；③根据译文来测验进行全体性的“大概的回译”，这样既操练“部分”言语常识点，又培育全体语句运用才能；④经过“中心单词”回想其在语句中的用法。
3）主张做完形操练时默念或轻声读，这样可以非常好地培育语感。
4）假定觉得拓宽操练难度大，可以先做首字母提示版(在谈论区)。
一、原文操练
(在空白处填入恰当的单词或括号内单词的正确方法。)
The polar bear is found in the Arctic Circle and some big land masses as far south as Newfoundland. While they are rare north of 88°, there is evidence ___1___ they range all the way across the Arctic, and as far south as James Bay in Canada. It is difficult to figure out a global population of polar bears as much of the range has been ___2___ (poor) studied; however, biologists calculate that there are about 20,000-25,000 polar bears worldwide.
Modern methods ___3___ tracking polar bear populations have been employed only since the mid-1980s, and are expensive ___4___ (perform) consistently over a large area. In recent years some Inuit(因纽特人) people in Nunayut ___5___ (report) increases in bear sightings around human settlements, leading to a ___6___ (believe) that populations are increasing. Scientists have responded by ___7___ (note) that hungry bears may be congregating(集合) around human settlements, leading to the illusion(幻觉) that populations are ___8___ (high) than they actually are. Of ___9___ nineteen recognized polar bear subpopulations(亚种群), three are declining, six ___10___ (be) stable, one is increasing, and nine lack enough data.
注：recognized做描述词。
答案：1.that 2. poorly 3. of/for 4. to perform 5. have reported 6. belief 7. noting 8. higher 9. the 10. are
二、参阅译文
北极熊日子在北极圈和南至纽芬兰的一些大陆地上。尽管它们在88°以北很稀有，但有根据标明，它们的分布规模一向贯穿北极，南至加拿大的詹姆斯湾。很难核算出全球北极熊的数量，因为对大有些规模的研讨都很单薄；可是，生物学家估量全世界大约有2万到2.5万只北极熊。
现代寻找北极熊种群的办法是从20世纪80年代中期才初步运用的，而且要在大规模内持续实施，本钱很高。这些年，努纳尤特的一些因纽特人陈述说，在人类久居点邻近看到熊的次数添加了，这致使我们认为熊的数量在添加。科学家们对此的回答是，饥饿的熊可以集合在人类久居点周围，致使我们误认为熊的数量比实践要高。在19个已知的北极熊亚种群中，有3个在削减，6个坚持平稳，1个在添加，9个短少满足的数据。
三、拓宽完形操练(1)
The polar bear is _____ in the Arctic Circle and some big land masses as ___ _____ as Newfoundland. While they are rare _____ __ 88°, there is evidence that they range ___ ___ ___ across the Arctic, and as far south as James Bay in Canada. It is difficult to figure out a global __________ of polar bears as ____ of the range has been poorly studied; however, biologists calculate that there are about 20,000-25,000 polar bears worldwide.
Modern methods for tracking polar bear populations have been ________ only since the mid-1980s, and are expensive to perform ____________ over a large area. In recent years some Inuit people in Nunayut have reported increases in bear _________ around human settlements, _______ to a belief that populations are increasing. Scientists have _________ by noting that hungry bears may be ____________ around human settlements, leading to the ________ that populations are higher than they actually are. __ the nineteen recognized polar bear subpopulations, three are _________, six are stable, one is __________, and nine lack enough data.
四、拓宽完形操练(2)
The _____ bear is found in the Arctic Circle and some big ____ ______ as far south as Newfoundland. While they are ____ north of 88°, there is ________ that they _____ all the
way across the Arctic, and as far south as James Bay in Canada. It is difficult to ______ ___ a global population of polar bears __ much of the range has been poorly studied; however, biologists _________ that there are about 20,000-25,000 polar bears worldwide.
Modern methods for ________ polar bear populations have been employed ____ since the mid-1980s, and are expensive to perform consistently ____ a large area. In ______ years some Inuit people in Nunayut have reported increases in bear sightings around human ___________, leading to a belief that populations are __________. Scientists have responded __ noting that hungry bears may be congregating around human settlements, _______ to the illusion that populations are higher than they ________ are. Of the nineteen _________
_ polar bear subpopulations, three are declining, six are ______, one is increasing, and nine ____ enough data.
五、以词忆句
1. mass, rare, evidence, range2, figure, poorly, calculate
2. track, employ, perform, consistently, sighting, settlement, respond, note, congregate, lead, illusion, actually, recognized, decline, stable
