标题: 一题不会~求教NN~ [打印本页] 作者: 傻熊有傻福 时间: 2011-8-20 14:52 标题: 一题不会~求教NN~ Methyltetrachloride (MTC) is a chemical found in some pesticides, glues, and sealants. Exposure to MTC can cause people to develop asthma. In order to halve the nation's asthma rate, the government plans to ban all products containing MTC. The government's plan to halve the nation's asthma rate relies on which of the. following assumptions? (A) Exposure to MTC is responsible for no less than half of the nation's asthma cases. (B) Products containing MTC are not necessary to the prosperity of the American economy. (C) Asthma has reached epidemic proportions. (D) Exercise and proper nutrition are helpful in maintaining respiratory health. (E) Dust mites and pet dander can also asthma. The correct answer is A. 我想问A中 for no less than half ...怎么翻译？作者: sdcar2010 时间: 2011-8-20 20:18
>=50%