请问:science and technology changes the way of production 里的science and technology是单数还是复数?书上的一句话后面是:lead the human society to make advance and then make our life more and more convenient.

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/13 03:39:06

请问:science and technology changes the way of production 里的science and technology是单数还是复数?
书上的一句话
后面是:lead the human society to make advance and then make our life more and more convenient.

science and technology 可以当作一个整体“科技”,所以,是单数.

单数

单数

你看看后面的changes就知道是单数了啊