Unit 6 A charity walk

= he is careless to lose so many things. 他丟了這么多東西，真是太粗心了。
it’s very important for you to practise your oral english in daily life.
在日常生活中練習(xí)你的英語(yǔ)口語(yǔ)是非常重要的。
這句話(huà)不能說(shuō)成：it is very important of you to practise…
2. “it’s + 形容詞+ ……” 句式中的形容詞位置也可換用名詞；連系動(dòng)詞be也可換用其它連系動(dòng)詞，如feel等。
如： it’s a good habit to get up early and go to bed early. 早睡早起是好習(xí)慣。
it must be great fun to fly to the moon in a spaceship. 乘宇宙飛船飛往月球一定很有趣。
it feels strange to have a twin sister. 有個(gè)孿生姐妹感覺(jué)很奇怪。
3. it ＋is ＋one’s turn（duty，pleasure） ＋to do sth. 意為“該輪到某人做某事（做某事是某人的責(zé)任、愉悅的事）”。如： it’s your turn to be on duty tomorrow. 明天輪到你值日了。
4. 主語(yǔ)＋謂語(yǔ)＋it＋賓語(yǔ)補(bǔ)足語(yǔ)＋動(dòng)詞不定式/動(dòng)名詞/從句。
該句型中賓語(yǔ)補(bǔ)足語(yǔ)可由形容詞、名詞等充當(dāng)。如：
he found it not easy to learn a foreign language well. 他發(fā)現(xiàn)學(xué)好一門(mén)外語(yǔ)是不容易的。
we think it no good reading in bed. 我們認(rèn)為躺在床上看書(shū)無(wú)益處。
i think it necessary that we have the meeting. 我認(rèn)為我們開(kāi)這個(gè)會(huì)是必要的。
5. the other use of “it”
（1）it has begun to rain/ raining.
（2）what a hard winter it is!
（3）what time is it? it is ten to ten.
（4）it is ten years since i left my hometown.
（5）it is getting dark.
（6）how far is it to the sea? it is a long way from here to the sea.
（7）who is it? it’s me.
（8）whose umbrella is this? it’s mine.
【典型例題】
翻譯句子
1. 保持城市整潔是我們大家的職責(zé)。
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2. 每天喝足夠的水是必要的。
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3. 對(duì)于盲人來(lái)說(shuō)，獨(dú)自在超市購(gòu)物是困難的。
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4. 每天聽(tīng)新聞是有用的。
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5現(xiàn)在大多數(shù)學(xué)生早睡是不可能的。
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6. 他手中抱著嬰兒。那嬰兒在哭。
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7. 到學(xué)校有多遠(yuǎn)？ 一英里左右。
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8. 很奇怪，他遲到這么久。
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9. 他不可能在三天內(nèi)完成這份工作。
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【答案】
1. it’s our duty to keep the city clean and tidy.
2. it is necessary to drink enough water.
3. it is hard for the blind to do shopping in the supermarket alone.
4. it is useful to listen to news every day.
5. it is not possible for most students to go to bed early.
6. he is carrying a baby. it’s crying now.
7. how far is the school? it’s about one mile.
8 it’s strange that he is so late.
9. it’s impossible for him to finish the work in three days.