Unit 4 Natural Disasters 1. 学习与自然灾害相关的词汇，掌握发音和拼写； 2. 了解并掌握定语从句不同关系词的用法； 3. 掌握写概要的关键点，并能够完成相应题材的写作题目。 Reading and thinking Q1: What happened after the earthquake? What sort of help did the government provide? A: Soon after the quakes, the army sent 150,000 soldiers to Tangshan to dig out those who were trapped and to bury the dead. Slowly, the city began to breathe again. Q2: What kind of disasters can you think of? Do you know any disaster safety measures? A: Earthquake; tornado; wildfire. If you hear tornado warning, get under a sturdy table if you can. If you’re in bed, pull pillows or a bedspread—anything—over the top of you. Don’t get on an elevator. You could be trapped if the power goes out. So you’d better take the stairs. B: Drought; landslide; tsunami; flood. Don’t drive or walk through rising water. In fact, a high percentage of flood deaths happen in vehicles. Instead, turn around and drive to higher ground, or leave the car and run to higher ground if the road is blocked. C: Severe thunderstorm, hurricane, volcano eruption. If you are outdoors and hear thunder, squat down to be at the lowest point, and balance on the balls of your feet to have as little connecting you to the ground as possible. Soon after the quakes, the army sent 150,000 soldiers to Tangshan to dig out those who were trapped and to bury the dead. (1) the dead: “死者；逝者” the +形容词转化而来的名词（表示“一类人”或“一类物”） 如：the young 年轻人；the rich 富人； the sick 病人 ① deadly adj. 极端的；致命的 A?deadly?disease affected dolphins several years ago. 几年前一种致命疾病威胁海豚的生命。 adv. 极其；非常 Broadcast news was accurate and reliable but?deadly?boring. 新闻广播准确可靠但却非常枯燥。 ② dying adj. 垂死的；临终的 It'll stay in my mind till my?dying?day.? 它将长存我心，直到生命的终点。 定语从句中，先行词为those（那些人），后面关系词只能用who。 注意：关系词只能用who的情况： ①先行词是anyone, those, all, one, ones等指人时： One who does not work hard will never succeed. Anyone who breaks the law should be punished. Those who learn not only from books but also through practice will make progress. ②在there be…句型中，先行词为人时： There is a boy outside who wants to see you. Correct the sentences. 1. I’m using the pen which he bought it yesterday. 2. Is that factory which your father once worked in? 3. The man whom I spoke is from Canada. 4. July 1,1999 is the day when we’ll never forget. 5. I still remember the holidays I stayed with them. 6. I’m going to work in the hospital where needs me. 7. Those that haven’t been to the West Lake will gather at the school gate. 8. Soon they came to a farm house, and in front of which sat a small boy. 答案： 1. 将it去掉。 解析：该句子先行词为pen，在定语从句中充当bought的宾语，故it多余。 2. 在factory后加上 the one。 解析：这是个疑问句，首先转换成陈述句：That factory is which your father once worked in。很显然，该句缺乏先行词，我们添加代词the ... ...
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