新视野大学英语三unit6.ppt

Unit 6 How to Prepare for Earthquakes Lead in Stucture Analysis Understanding Summary Language Points B. Complete the Main Ideas Summary Since earthquakes may cause great destruction, we need to learn how to ___________________. Animals always give us warnings. For example, before an earthquake hens would not ________ _____; rats run out from _______________ and march fearlessly through houses; even normally quiet dogs bark in chorus (齐声) all over town. Pigeons are especially noisy and fly _________ ______. And most noticeable is ____________ ________ in ground water before a quake. To prevent destruction of property, the architects design columns and horizontal beams ________ _______. Besides the efforts to improve building structures, people also should _______________ ______ for the possibility of a great earthquake. It is advisable to check and reinforce their homes regularly. And remember to place heavy objects ______________, attach cupboards and cabinets to walls, and so on. All these precautions can _____________________ in saving lives and prevent the loss of homes. Expressions Patterns earthquake: n. (also quake) a sudden violent movement of the Earths surface, sometimes causing great damageeg. Thousands of people were killed and many more left homeless by the earthquake. 这场地震使数以千计的人丧命，使更多的人无家可归。The ancient Chinese people were able to predict earthquakes by watching the behavior of animals. 古代中国人能够通过观察动物行为来预测地震。 Expressions Patterns forecast: vt. say, esp. with the help of some kind of knowledge, what one thinks is going to happen in the future eg. The teacher forecast that only 15 of his pupils would pass the examination. 这位老师预测他的学生中只有15人能通过考试。The old farmer has rich experience in forecasting the weather. 这位老农在预报天气方面有着丰富的经验。 Expressions Patterns detect: vt. notice (sth. that is partly hidden or not clear) or discover (sth.), esp. using a special methodeg. I detected a slight change in his attitud