Can you______ a bike?[ ] A. mending B. m 发布时间:2017-04-29 01:49 │ 来源:www.tikuol.com 题型:选择题 问题: Can you______ a bike?[ ]A. mending B. mend C. are mendingD. mends
题型:选择题 阅读理解A. what is dementia? B. A new opinion on the cause of disabilityC. A study on disability problems of children D. What should the World Health Organization do to solve the problem?E. A study on disability problems of the elderlyF. More attention should be paid to old people's brain and mind diseases.1._____ The World Health Organization(WHO)says that blindness and other visual problems are the leading causes of disability of older people in lowand middleincome countries.However, some researchers disagree with WHO on this point.They made a study and found that the leading causeis dementia (痴呆). 2. ____ Dementia is a loss of intellectual ability that affects memorizing, learning and thinking abilites and other language skills.People with dementia may forget family members or not know what day it is.Sometimes they become angry or sad, and they can often hear voices, or see things that are actuallynot there.3. _____ Renata Sousa from the Institute of Psychiatry at King's College London and other researchersmade a new study.The study dealt with the causes of disability among fifteen thousand people aged over sixtyfive in seven countries, which include China, India, Cuba, the Dominican Republic, Venezuela, Mexico and Peru.The team found that dementia was the leading cause of disability of theelderly in areas except rural India and Venezuela.Other major causes were stroke, arthritis (关节炎), depression, visual problems and gastrointestinal (胃肠道的) problems.4. _____ In lowand middleincome countries, heart diseases and cancer get more attention than chronic (慢性的) diseases.However, researchers say that great importance should be given to chronic diseasesof the brain and mind.As the population ages, the society will have to deal with more and more casesof dementia.The study shows that the elderly is nine percent of the total population in lowandmiddleincome countries today.However, the number is growing quickly.It is likely to reach twentypercent of the total population by the middle of the century.5. _____ An article published in the Lancet medical journal dealt with a special issue on disability.It was astudy on disability and children in eighteen lowand middleincome countries.It indicated that in almost half of the countries, children who were breastfed were less likely to have a disability than those who were not.The same was true of those who had a deficiency of vitamin A and those who wereunderweight.Children who did not take part in early learning activities or attend school were also more likely to be disabled than those who did. 查看答案
题型:选择题 关于层流说法正确的是()。A.层流状态主要表现为液体质点运动方向B.流状态主要表现为液体质点的相对运动C.层流状态主要表现为液体质点的摩擦和变形D.流状态主要表现为液体质点间的相互作用 查看答案