七选五（二）1、Getting older No one really knows how and why people change as they get older._Aging is a complex and varied process that varies in how it affects different people and organs. In fact, even in one person, different organ systems “age” at different rate. At a certain point in our lives our body systems will begin to weaken._It may become more difficult for us to see and hear. The slow change of aging causes our bodies to lose some of their ability to bounce back from disease and injury. In order to live longer, we have always tried to slow or stop this change that leads us toward the end of our lives._A good diet plays an important role. The amount and the type of exercise we get are another two factors._But scientists studying the aging problem want to know: Why do people grow old? They hope that by studying the aging medical science they may be able to make the length of life longer._Many consider the later part of life to be the best time for living. Physical activity may become less, but often we get better understanding of the world and ourselves. What we consider the old age now may only be middle-aged some day soon who knows, with so many advances in medical science happening so quickly, life length may one day be measured in centuries, rather than in years! A. Our strength may become weaker. B. Symptoms include a lack of energy, slow reactions, insomnia and poor memory. C. Our living condition is yet another. D. Also, no theory sufficiently explains all the changes of the aging process E. As for diet, people are advised to eat less salt and sugar. F. Many factors decide our health. G. There is nothing to be afraid of as the old age comes.2、根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。How to Become an Activist Activists are people who see the need for change and devote their time to doing something about it. _If you are interested in it you can do so._This could be anything from a student club to a national organization (like the American Civil Liberties Union or the National Organizers Alliance). Most activist organizations offer different levels of involvement, so you can do whatever you feel most comfortable with, whether that means attending meetings and demonstrations or just donating a little money when you can. Volunteer your time. One of the best ways to make a difference is to volunteer your time. Reach out to organizations in your community that do work for your cause, and ask how you can help. Donate money or supplies._If you cant afford to donate money to an organization that supports your cause, you may be able to donate other things they need, like clothing or canned food. Reach out to family and friends. Tell your family and friends about your cause, and invite them to get involved. If they are interested, share literature about your cause or just talk to them about what you have learned. _ Promote your cause on social media. You can use social media to help keep your friends and followers informed about the causes you support. _Also, you can invite your friends to attend events or donate to fundraisers for your cause.A. Take classes on issues related to your cause.B. Join an organization that supports your cause.C. They are driven by passion and a vision for a better future.D. If you do volunteer work, invite them to volunteer with you.E. Most activists or charitable organizations need resources to do their work.F. Post useful articles and write about what you are doing to stay involved.G. If you cant reach out to them in person, then try connecting to people online.3、根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 Business is the organized approach to providing customers with the goods and services they want. The world business also refers to an organization that provides these goods and services. Most business seek to make a profit(利润)that aim to achieve income that is more than the costs of operating the business. _Commonly called nonprofits, these organizations are primarily nongovernmental service providers._ Business management is a term used to describe the techniques of planning, direction, and control of the operations of a business. _One is the establishment (制定)of broad basic policies with respect to production; sales; the purchase of equipment, materials and supplies; and accounting. _The third relates to the establishment of standards of word in all departments. Direction is concerned primarily with supervision(监管)and guidance by the management in authority. _A.The second aspect relates to the application of these policies by departments.B.However, some businesses only seek to enough to cover their operating costs.