基本信息
课尾达标微测及时巩固 检测知不足 ⅰ.单词拼写 1.chronic ________(污染) of the atmosphere does great harm to people's health. 答案 pollution 2.our premier ________(主张) improvements in living level for the old. 答案 advocated 3.our country made a ________(承诺) to pay $50,000 to red