7.2 1 morning hot list

According to the law of temperature distribution in China, there is a big difference between the north and the south in winter, and the south is warm, and the farther north, the lower the temperature. It is generally hot in the north and south in summer, and July is the summer in China, but the distribution in the north and south of dressing index is different. Wearing cotton-padded clothes in the north and shirts in the south, the temperature difference between the north and the south is large, and July is the most impossible.

So choose: C.