2015-2016学年 外研版 必修三 Module 3 The violence of nature language points课件 (4)
2015-2016学年 外研版 必修三 Module 3 The violence of nature language points课件 (4)第4页

Language points

3. On average, there are 800 tornadoes in the US each year, causing about 80 deaths and 1,500 injuries. on average:平均起来 鸡蛋价格平均为每公斤8元. The price of the egg is eight yuan per kg on average