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选修6《Warming up、Pre-reading、Reading、Comprehending》精品PPT课件优质课下载
Background information Pre-reading 课本P25 --2mins
1.What is the greenhouse made of and used for?
2. How does the greenhouse work?
1.What is the greenhouse made and used for?
A greenhouse is made of glass and is used for growing plants, especially during cold weather.
2. How does the greenhouse work?
The glass traps the heat from the sun and keeps the heat from escaping. This makes the greenhouse heat up and so the plants can grow throughout the cold period.
The Earth Is Becoming Warmer – But Does It Matter?
graph
random
phenomenon
data
trap
catastrophe
subscribe to
be opposed to
come about
n. 图表; 坐标图
adj. 胡乱的; 任意的
n. 现象
n. 资料; 数据
vt. 困住；使…受限制
n. 大灾难; 浩劫
同意; 赞成; 订购
反对……