II. Sentences
1. Have you ever considered how weak humans are compared with a volcano , hurricane or earthquake？
你有没有想过，与火山、飓风和地震比起来，人类是多么软弱？
2. Having collected and evaluated the information , I help other scientists to predict where lava from the volcano will flow next and how fast it will flow .
收集和评估这些信息之后，我就帮助其他科学家一起预测熔岩接着将往何处流，流速是多少。
3. I was about to go back to sleep when suddenly my bedroom became as bright as day .
我刚要再睡，突然我的卧室亮如白昼。
4. Having studied volcanoes now for more than twenty years , I am still amazed at their beauty as well as their potential to cause great damage .
我现在已经从事火山研究20多年了，但我仍然惊羡于它们的美丽以及它们潜在的巨大破坏性。
5. The height of the land varies from 700 metres above sea level to over 2,000 metres and is  home to a great diversity of plants and animals .
这里地面的高度由海拔700米到2，000米不等，是多种多样动植物的生长地。
6. It is said that the boy , who had a great gift for language and persuasion , is the father of
the Manchu people .
据说这个男孩就是满族人的祖先，他具有语言天赋和很强的说服力。

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