A subject which seems to have been insufficiently studied by doctors and psychologists is the influence of geography and climate on the psychological and physical health of mankind. There seems no doubt that the general character of the landscape, the relative length of day and night, and the climate must all play a big part in determining what kind of people we are.
It is true that a few studies have been made. Where all the inhabitants of a particular area enjoy exceptionally good or bad health, scientists have identified contributory factors such as the presence or absence of substances like iodine, fluoride, calcium, or iron in the water supply, or perhaps types of land that provide breeding places for pests like mosquitoes or rats.
Moreover, we can all generalize about types of people we have met. Those living in countries with long dark winters are apt to be less talkative and less vivacious than inhabitants of countries where the climate is more equable. And where the olive and the orange grow, there the inhabitants are cheerful, talkative, and spontaneous.
But these commonplace generalizations are inadequate: the influence of climate and geography should be studied in depth. Do all mountain dwellers live to a ripe old age? Does the drinking of wine, rather than beer, result in a sunny and open temperament? Is the strength and height of one of the Kenyan tribes due to their habitual drinking of the blood of cows?
We are not yet sure of the answers to such questions, but let us hope that something of benefit to mankind may eventually result from such studies.
小題1:_____ might serve as a suitable title for this selection.
A．The Importance of Geographical Environment
B．The Influence of Geographical Environment on Man
C．Generalization of Types of People
D．Geographical Environment, a Mysterious Subject
小題2:Using context clues we may infer that " iodine, fluoride and calcium" are _____.
A．substances which act positively or negatively on man's health
B．harmful substances in the water supply
C．substances which help provide breeding places for pests
D．substances contributory to good health
小題3:We may infer from the third paragraph that geography and climate play an important role in determining the inhabitants' _____.
A．health conditionB．personality
C．life-spanD．a(chǎn)ll of the above
小題4:According to the author, research into the influence of geography and climate should_____.
A．focus on some unknown aspects
B．be pursued on a larger scale
C．be carried out within a larger scope
D．go much deeper
小題5:The author hopes that studies on the influence of geographical environment will enable us to           
A．generalize better about types of people
B．find better water supplies
C．gain an insight into its influence on mankind
D．live to a ripe old age

小題1:B
小題2:A
小題3:B
小題4:D
小題5:C

試題分析：
小題1:B 推理題。根據(jù)文章主題段第一段A subject which seems to have been insufficiently studied by doctors and psychologists is the influence of geography and climate on the psychological and physical health of mankind.說明本文是關于地理和氣候對人的心里和生理健康的影響，故B正確。
小題1:A 推理題。根據(jù)第二段2,3,4行scientists have identified contributory factors such as the presence or absence of substances like iodine, fluoride, calcium, or iron in the water supply,說明iodine, fluoride, calcium就是指讓人收到影響的這些物質，故A正確。
小題2:B 推理題。根據(jù)第三段所舉的例子說明在不同的地方生活的人也許會有不同的性格，故地理和氣候的因素也許會對人的性格產(chǎn)生影響，故B正確。
小題3:D 細節(jié)題。根據(jù)第四段第二句the influence of climate and geography should be studied in depth.說明我們的研究應該更為深入一些，故D正確。
小題4:C 細節(jié)題。根據(jù)文章最后一句let us hope that something of benefit to mankind may eventually result from such studies.說明希望能讓我們從這樣的研究里了解更多。
點評：本文是關于地理和氣候對人的心里和生理健康的影響。集中考查推理題，需要考生在閱讀時注意字里行間的言外之意，要根據(jù)上下文準確定位，合理推測。
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