83．____________________________________________________________

82．How Call you encourage yourself?

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B．将短文中划线的句子译成汉语。

81．How many suggestions can help you to be more confident?

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4.　　 请根据第二段内容，将最后一个句子补充完整。

The more we burn,_____________________________________________

3.　　 请将第一段中的划线句子翻译成汉语。

2.　　 What are fossil fuels?(同上)

1.　　 What problem can global warming cause?(根据短文内容回答问题)

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79. What can you do for $380 according to the passage?