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九年级英语总复习教案B3U6－教学教案,
so＋主语＋be/情态动词/助动词，这种结构强调“……确实如此”。如：Her husband is English. So he is. 他丈夫是英国人。是的，他是。
Tom studies very hard. So he does. 汤姆学习很努力。是的，他确实很努力。
She passed the exam. So she did. 她通过了这次考试。是的，他确实通过了。
9. I’ve been down as long as two hours. 我在水下待了两小时之久
as long as …长达……
It took us as long as four hours to get over the mountain.我们花了四个小时才翻过了那座山。
Mr. Brown spent as long as two and a half years writing the novel.
布朗先生花了长达两年半的时间才写完这部小说
注：类似的用法还有as much as, as large/big as, as wide as, as high as等等。如：
Look at the tower, it is as high as sixty metres. 看那座塔，它高达60米。
I spent as much as ten thousand yuan on the piano. 买这架钢琴，我花了多达一万块钱。
注意：as long as这个短语还可以做从属连词用来引导条件状语从句。意思是“只要……”，也可以说；so long as。如：As long as I live, I’ll study. 只要我还活着，我就要学习。
You may borrow the books so long as you keep it clean.
只要你能保持书的清洁，你就可以借书。
As long as we don’t lose heart, we’ll find a way to overcome the difficulty.
只要我们不灰心，我们就能找到解决问题的出路。
10. Maybe we can go scuba diving sometime. 也许改天我们能潜泳。
Maybe it will rain tonight. 可能今天晚上会下雨。
Maybe it is true. 也许这是真的。
It may be wrong. 这可能有错。
11. Not all sharks are alike. 并不是所有的都相似。
alive adj. 意思为“相同的；相像的”常做表语。
They were born on the same day. The two brothers are very much alike.
他俩出生于同一天。这兄弟俩长得很像。= They were born on the same day. The two brothers are very like. 他俩出生于同一天。这兄弟俩长得很像。
注意：like 之前可以用very 来修饰，但是alike之前则不行。另外，alike也可以用做副词。如： You and I think alike.你和我的想法一致。
Great minds think alike. 英雄所见略同。
12. … but many sharks feed on fish, other sea animals, smaller sharks and sometimes people.
……许多鲨鱼以鱼和其他的海洋动物，较小的鲨鱼为食，有时还以人为食。
Feed on sth. 以……为食
Cows feed on hay. 奶牛吃干草。
The children always feed on the best of food. 孩子们常常吃最好的食物。
13. It is said that one of the most dangerous sharks is the great white shark.
据说有一种最危险的鲨鱼是大白鲨。
It is said …据说……
It is said that you are good at operating computers. 据说你很会操作电脑。
It is said that the sports meeting will be put off till next Thursday.
据说运动会会推迟至下周四举行。
类似的句型还有：
It is thought that … 据认为……
It is known that … 众所周知……
It is reported that … 据报道……
关于现在完成时态的归纳
1. 现在完成时态的结构have/has＋过去分词
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，九年级英语总复习教案B3U6－教学教案
