单项选择题
Which of the following CANNOT be inferred from the second paragraph（）
A．Levels of education are closely related to productivity. B．Women are not as productive as men. C．Women receive less education than men. D．Goods produced by men are not as good as those by women.
单项选择题 In the writer's view, the more new goods there are, （）
单项选择题 Food packages, bottles and tins for drinks can cause （）
单项选择题 The main cause of pollution is （）
