江西省2012届高三英语二轮专项训练:阅读表达+写作(32).doc
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1、高考资源网() 您身边的高考专家江西省2012届高三英语二轮专项训练:阅读表达+写作(32)第一节 阅读表达阅读下面短文,并根据短文后的要求答题(请注意问题后的字数要求)。1Global difference in intelligence is a sensitive topic, long filled with a large number of different opinions. But recent data has indeed shown cognitive (认知的) ability to be higher in some countries than in others
2、. Whats more, IQ scores have risen as nations developa phenomenon known as the Flynn effect. Many causes have been put forward for both the intelligence difference and the Flynn effect, including education, income, and even non-agricultural labor. Now, a new study from researchers at the University
3、of New Mexico offers another interesting theory: intelligence may be linked to infectious-disease rates.2The brain, say author Christopher Eppig and his colleagues, is the most costly organ in the human body. Brainpower consumes almost up to 90 percent of a newborns energy. Its clear that if somethi
4、ng affects energy intake while the brain is growing, the impact could be long and serious. And for vast parts of the globe, the biggest threat to a childs bodyand therefore brainis parasitic (由寄生虫引起的) infection. These illnesses threaten brain development_. They can directly attack live tissue, which
5、 the body must then try every means to replace. They can invade the digestive pipe and block nutritional intake. They can rob the bodys cells for their own reproduction. And then theres the energy channeled (输送) to the immune system to fight the infection. 3Using data on national disease burdens (li
6、fe years lost due to infectious diseases) and average intelligence scores, the authors found they are closely associated. The countries with the lowest average IQ scores have the highest disease burdens without exception. On the contrary, nations with low disease burdens top the IQ list. 4If the stu
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