单选题 To the scientists’ delight, their efforts have increased people’s___________of the importance of saving water.
【正确答案】 A
【答案解析】考查名词辨析。句意:让科学家高兴的是,他们的努力增加了人们节约用水的意识。awareness 意为“意识”,commitment意为“承诺”,agreement意为“合同,同意”,response意为“回应”,故选A。