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1、2016高考英语阅读理解和短文改错选练（3）阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。Scientists in UK have grown a living human brain. The team at Aston University created tiny bunch of cells which act like a mini nervous system. They believe it could help find a cure for worse mental conditions like Parkinsons disease. Profe
2、ssor Michael Coleman is leading the research program. He explained, We are aiming to be able to study the human brain at the most basic level, using an actual living human cell system. Cells have to be alive and operating efficiently to enable us to really understand how the brain works. The experim
3、ent involves changing cells from a cancer tumour (肿瘤）and making them behave like brain cells.Although far from finished, researchers hope the false brain cells will give them a greater understanding of how real brains work. This, in turn, could significantly further research into conditions which af
4、fect the brain. Neil Hunt, chief leader of the research group, said, It is still very early days, but in the future the research could lead to a useful tool for looking into dementia (痴呆).The technique could also provide a way to carry on animal test and is being supported by the Humane Research Tru
5、st (HRT). The scientists predict that over the next ten years a million people will develop dementia. Professor Coleman believes their findings could change this. He said，We hope our research will provide scientists with a new and highly relational human experimental model to help them understand th
6、e brain better and develop new drugs to control the related disease. However, the biggest challenge at present is that we are greatly short of fund, which will slow our research.1. UK scientists grow a living human brain in order to _.A. study the structure of human brain B. make use of living human
7、 cell system C. discover how human brain really works D. separate cells from a cancer tumour2. According to Neil Hunt, research into brain cells _.A. will get finished as early as possibleB. will make people discover dementiaC. will affect the brain growth in many waysD. will help to treat some dise
8、ases in nerve system3. From the last paragraph，we can know that _A. the technique provided by HRT is immatureB. animal tests are no longer allowed by lawC. a million people suffer from brain diseasesD. the research program lacks financial support4. The text is intended to _.A. tell us about a breakt
9、hrough in medical researchB. introduce a research program in humans brainC. introduce the progress of drugs for dementiaD. tell us about health problem in nerve system【参考答案】14、CDDB【科普知识型-阅读理解】Housed in Milan, one of Europes dirtiest cities, Leonardo da Vincis masterpiece The Last Supper still faces
10、a threat from air pollution, researchers say, despite preventative measures that have significantly decreased pollutants in the church where the famous painting is on display.In 2009, Italian authorities installed a heating, ventilation (通风) and airconditioning system to protect the painting from Mi
11、lans polluted air. To see whether the system could improve air quality, a team of researchers led by Constantinos Sioutas, a professor of civil and environmental engineering at the University of Southern California, placed two airquality monitors inside the church for a year to collect samples from
12、around painting. Results showed the levels of fine and coarse particulates were reduced near the painting by 88 percent and 94 percent, respectively, compared with the corresponding outdoor levels. “Its a spectacular reduction，” Sioutas said in a statement. “It is, frankly, very impressive.”Although
13、 the researchers applauded the successful decrease in particulates around da Vincis painting, they warned that indoor sources of pollution may still pose a threat to the priceless painting. Fatty lipids (油脂) from the skin of customers in the church appeared in significant quantities around the paint
14、ing, despite the fact that visitors getting access to the artwork are strictly regulated.Only a few visitors are allowed inside the church at a time, and they enter the building and can stay for only 15 minutes each. However, fatty lipids from visitors skin can combine with dust in the air and pollu
15、te the painting if they come in contact with it, says study researcher Nancy Daher of the University of Southern California.Even previous restorations of the painting may pollute its surface, Daher said. Tiny particulates of the wax applied during early repair efforts can be emitted from the paintin
16、g, get into the air and tarnish (使失去光泽) the painting in the same manner as the fatty lipids.The researchers noted that their airsample analysis could be used as a point of reference for future studies aimed at protecting valuable artwork and artefacts.1What does the underlined word “particulates” in Paragraph 2 probably mean?AThe smallest parts of a chemical substance.BThi
