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54.醫(yī)生建議我們不要在睡前吃太多東西。?。t believe our eyes.3. The winter is very cold in Beijing and the temperature often drops below zero.4. While we were having Supper, the telephone rang.5. We must do something to stop farmers from keeping cutting down forests.(三)1. What should we do when our house was on fire?2. You had better not go to see the doctor alone.3. Last month, I was teaching the children how to follow the traffic rules.4. They decided to get out as quickly as possible.5. We learnt a lot about how to protect ourselves away from danger.(四) girl fell from the bike and hurt her leg. 52. Does he look cool in blue?53. In order not to make any mistakes, she read the instructions carefully. 54. Doctors advise us not to eat too much before sleep. bought a Teddy bear for his son when he walked past the toy shop yesterday.。(一)1.What a piece of useful advice the teacher gave me!2.In order to protect the wild animals in danger, the government made laws to prevent/stop/keep people from cutting down trees.3.You should keep secrets, it will otherwise。 (五)Joe經(jīng)常給我們講有趣的笑話。 (四)51. 一名女孩從自行車上摔下來,弄傷了腿。 ____________________________________________________________________(三)1. 當我們的房屋著火時,我們應(yīng)該做什么? 2. 你最好不要獨自去看醫(yī)生。 ____________________________________________________________________2.當看到這些名勝古跡的模型時,我們不能相信自己的眼睛。_________________________________________________________________________3.你要保守秘密,否則這會使他不高興。 、每段的首末句。 A chair made of steel is stronger than _______made of wood. (該句中one可以換成a chair) The water in the cup is hotter than_______in the pot. (該句中that可以換成 the water) 3. one只能代替可數(shù)名詞單數(shù), 代替可數(shù)名詞復(fù)數(shù)時用ones。 I think I must buy____. (one在該句中表泛指, 因為my umbrella已經(jīng)丟了) The umbrella you bought is cheaper than______ I bought. (替代詞that在該句中特指“the umbrella I bought”, 以區(qū)別“the umbrella you bought”) 2. one與that雖可用來指代同名異物, 但one為泛指, 相當于a/an+名詞。 one與that則指代同名異物。一般說來, it指代同名同物。m lo