下列有关水的说法正确的是 [ ] A、水可以溶解很多物质 B、我_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

下列有关水的说法正确的是 [ ]

A、水可以溶解很多物质

B、我国的淡水资源非常丰富

C、用硬水洗衣服效果比用软水好

D、铁丝在氧气中燃烧时，集气瓶底部水的作用是吸收有毒的气体

答案

答案：A

选择题

____ the telephone number several times, but he couldn't learn it by heart. [ ]

A. Having told

B. Having been told

C. Although he had been told

D. He had been told

名词解释

卵巢(ovary)