基本信息
英语选修6译林牛津版unit 2同步巩固练习（4）（答案）高二英语m6u2巩固练习四一. 阅读理解 a in today’s world, almost everyone knows that air pollution and water pollution are harmful to people’s health. however, not all the persons know that noise is also a kind of pollution, and that is harmful to human health, too. people who work and live under noisy conditions usually become deaf. today, however, scientists believe that 10 percent of workers in britain are being deafened by the noise where they work. many of the workers who print newspapers and books, and who weave（织） cloth become
