题目内容
The radiocarbon dating technique is only about 40 years old.
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Among the following four cities, the difference between the afternoon high and the evening
某公司今年与上午相比，净利润增长8%，平均资产总额增加12%，平均负债总额增加9%。可以判断，该公司净资产收益率比上年下降了。()
What does the word "preliminary" in the last paragraph mean？
Colleges in the US have added a new subject, "green chemistry", to their curriculum(课程) today. "Green chemistry 【B1】______ how we can develop products that won't 【B2】______ the environment, "explains Paul Anastas, director of Yale University's Center for Green Chemistry and Green Engineering. It opened at the beginning of this year. The American Chemical Society, 【B3】______ approves more than 600 college chemistry programs, only lists about a dozen that teach green chemistry. But that 【B4】______ is growing.
Cambridge College in Massachusetts is offering "an introduction to green chemistry" course this fall and is offering the nation's first bachelor's and master's 【B5】______ in green chemistry. The program will have classes in environmental science and even environmental 【B6】______ and policy. These subjects are not 【B7】______ taught to chemistry majors.
Employers 【B8】______ the introduction of green chemistry. Businesses are increasingly seeking graduates 【B9】______ backgrounds in the subject because it can help them make or save money in the development and manufacturing of products. "We need people who can not only understand their place 【B10】______, but also understand the worldwide perspective", said Adam Peterson, a chemicals division manager at Dow Coming Corp.
【B1】
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