2013年职称英语(卫生类B级)考前预测试卷

　　第4部分：阅读理解(第31～45题，每题3分，共45分)

　　下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。

　　

　　

　　31．Some plants and animals develop superior characteristics so that they may

　　A．help others of their kind get food，shelter and other things needed．

　　B．survive even in extremely severe condition．

　　C．become better adapted to the environments than others of their kind．

　　D．result in the evolution and production of more intelligent organisms．

　　32．In the first paragraph。the word“environments”could best be replaced by

　　A．“contexts”．

　　B．“surroundings”．

　　C．“neighbors”．

　　D．“enemies”．

　　33．It can be inferred from this passage that the feathers of a  bird care colored?

　　A．to frightened its enemies．

　　B．to attract its enemies．

　　C．to adjust its body heat．

　　D．to match its environment．

　　34．Which of the following is not directly mentioned?

　　A．A living thing may adapt in its structure．

　　B．An organism may adapt in its function．

　　C．A living creature may adapt in its genetic makeup．

　　D．A living organism may adapt in its sleeping habit．

　　35．The author cites the behavior of warm-blooded mammals in order to illustrate which of the following?

　　A．A living thing may have the ability to create an environment of its own．

　　B．A living creature may have the ability to remain still when an enemy is near．

　　C．A living creature may have the ability to make food from its inorganic chemicals．

　　D．A living creature may have the ability to change the color of its skin．

　　

　　

　　36．What form of potato is the most nutrient to the human body?

　　A．Potato soup．

　　B．Potato cake．

　　C．Potato salad．

　　D．Hot boiled potato．

　　37．What does the reduction in leucocyte levels in the body mean?

　　A．It may mean the reduced levels of inflammation．

　　B．It may mean somewhere in the body is inflamed．

　　C．It means that the body is challenged．

　　D．It means that the body cannot produce leucocytes any more．

　　38．For what a purpose did the researchers use raw potato starch in their experiment?

　　A．They wanted to observe how the leucocyte levels reduced in the experimental pigs．

　　B．They wanted to simulate the effects of a diet high in resistant starch．

　　C．They wanted to see how much potato an experimental pig ate every day．

　　D．They wanted to see how much body weight each experimental pig gained in the end．

　　39．All of the following foods are rich in resistant starch EXCEPT

　　A．pasta．

　　B．grains．

　　C．1egumes．

　　D．vegetables．

　　40．What a kind of starch iS resistant starch after all?

　　A．It may cause irritable bowel syndrome．

　　B．It may bring about at least partially inflammatory disorder．

　　C．It may raise leucocyte and lymphocyte levels in the body．

　　D．It cannot be digested in the small intestine and ferments in the large intestine．

　　

　　41．The part of the brain important for a person’s learning and memory is

　　A．the cortisol．

　　B．the adrenal glands．

　　C．the stress hormones．

　　D．the hippocampus．

　　42．When the levels of cortisol go higher，the hippocampus in the brain may

　　A．become larger．

　　B．become smaller．

　　C．disappear completely．

　　D．be totally damaged．

　　43．According to the article，when people feel too worried or nervous or when they overwork，

　　A．the adrenal glands will produce a stress hormone．

　　B．the kidneys will produce adrenal glands．

　　C．the hippocampus will produce high levels of cortisol in the blood．

　　D．the brain will work more effectively．

　　44．It appears that when the total volume of the hippocampus becomes smaller as a result of high

　　blood levels of cortisol，other brain regions

　　A．become smaller too．

　　B．become larger．

　　C．may remain the same in size．

　　D．maybe damaged．

　　45．The research conducted by Porter and Landfield shows that

　　A．changes in the levels of adrenal hormones have nothing to do with brain aging．

　　B．changes in the levels of adrenal hormones may affect brain aging．

　　C．chronic stress may strengthen a man’s memory．

　　D．the rate of brain aging always remains stable．