第6题: [单项选择]Governments_______ A. deny that industries causes acid rain B. admit that they are only partly responsible C. claim that they are the main sources of pollution D. think that the cause of acid rain needs further study 参考答案:D 答案解析:第三段第二句后半句指出,由于减少环境污染的高成本,政府倾向于支持企业的观点,即作进一步的研究。