问题补充:
The weather in Beijing in summer is than that in Shanghai. They are different.
A. cool
B. much cooler
C. hot
D. much hotter
答案:
A. cool
(答案→)B. much cooler
C. hot
D. much hotter
解析:句意为:北京夏天的天气比上海凉爽得多。他们是不同的。根据常识,夏天北京要比上海凉爽。因为是两地的天气作比较,因此要用比较级。much起加强语气作用。故选B。