题目

化学与生活、社会密切相关。下列说法不正确的是() A . 我国规定商家不得无偿提供塑料袋,目的是减少“白色污染” B . 乙醇是一种易燃烧污染小的可再生能源,但只能在实验室内作燃料 C . 化石燃料不可再生,使用太阳能代替化石燃料,有利于节约资源、保护环境 D . 积极开发废电池的综合利用技术,防止其中的重金属盐对土壤和水源造成污染Obama had responded to Zhou's suggestion ____ the US dollar was extraordinarily strong and that there was no need to create a new global reserve currency. [     ]A. to say             B. said              C. having said          D. saying
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