题目内容：

A is as+(形容词原级)as B A与B..一样
it's as cold today as it was yesterday.
这里的A是IT是A,就是天气的意思,但是这里的B是it was yesterday吗,被比较的双方不是要相同的人或事物吗,

优质解答

这句话本身就有问题,应该是today's weather is not as cold as it was yesterday.主语都是指天气,第二个as后面的it做主语,指的是昨天的天气