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SAT语法模拟练习:清洁水化学家

2016-09-27 14:35:58来源：网络

SAT语法大全(附答案)

　　Chemists for Clean Water

　　At reservoirs in Bangladesh, chemists are hard at work purifying local water supplies. These experts use filters to

　　remove arsenic from the reservoirs, creating a potable water supply for nearby residents. Many of these experts are

　　affiliated with 1 Chemists Without Borders (CWB). CWB is an organization that provides assistance for crucial

　　human health issues such as clean water. Operating not only in Bangladesh but also in the United States and other

　　nations, CWB relies on the efforts of trained, professional chemists, as well as those of 2 volunteers’ interested in

　　entering the field.

　　Professional chemists at CWB seek out projects that can provide help directly to populations in need. Their work

　　in 3 Bangladesh involves removing toxins, from the drinking water, primarily through water purification. CWB staff

　　members create and give arsenic testing kits to Bangladeshi locals and work with interpreters to 4 dissipate

　　information and instructions. 5 CWB also provides education about medicine, vaccines, and environmental

　　sustainability.

　　6 CWB also works with volunteers who are rigorously trained chemists. While some volunteers are concerned

　　citizens who want to assist with public education 7 campaigns. Others hold actual chemistry training. The education

　　background for water chemists is varied but includes many disciplines, including microbiology and geology. Students

　　explore these related fields to develop a more comprehensive view of the variables that affect water quality. 8 They

　　might study, for example, the microorganisms living in water, or the effects of particular rocks and soil on water

　　supplies. Volunteers with a rich background in chemistry also help the CWB professionals with water testing and

　　supply kit creation. This practical experience is an excellent opportunity for prospective water chemists to gain

　　insights into what the job entails.

　　9 A career in water chemistry leading to exciting travel and teaching opportunities, and working to de-contaminate

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