背话题佳句：
1.The weather forecast said it will be sunny in most part of China for each day in the next five days.
天气预报显示在未来五天内，中国大部分地区都会是晴天。
2.It is going to be rainy all day, so be sure to go out with your umbrellas
.全天有雨，因此外出请带好您的雨伞。
3.The extreme weather has caused people much in convenience and trouble, especially for those who work outdoors.
极端天气给人们带来了诸多不便和麻烦，特别是给那些室外作业的人。
4.Proper measures should be taken to deal with the serious problem caused by the terrible hurricane.
必须采取适当的措施来应对这场可怕的飓风引起的严重问题。
5.Now more and more people become aware that those extreme weather disasters have much to do with what we have done to the earth.
现在越来越多人意识到极端天气灾难与我们的日常行为有关。
6.Having realized the great harm caused by the haze and the importance of protecting the environment, people all over the country are taking measures to reduce the hazy weather.
因为意识到了雾霾造成的严重危害和保护环境的重要性，全国人民正采取措施减少雾霾天气。
背话题词：
1.sunny then cloudy/cloudy then rainy 晴转阴/阴转雨
3.a sunny day 阳光灿烂的一天
4.weather forecast/report 天气预报
5.drop/fall to five degree below zero 降到零下五度
6.freezing cold/burning hot 非常寒冷/炎热
7.be caught in a heavy rain 遇上一场大雨
8.rains cats and dogs/pouring rain 倾盆大雨
9.hazy weather 雾霾天气
10.(buildings)fall down (房屋)倒塌