重点短语 重点句型 重点单词 ◆现学活用 单句改错 1.Mastering the technology makes possible for us to use the Internet more effectively.(在makes后加it) 2.Spaceships make it possible to traveling to the moon.(traveling改为travel) 3.During this week,make it is a rule to jog every day.(删除is) 4.I have discovered that it makes them happily.(happily改为happy) 5.The teacher raised his voice so that he could make himself hear.(hear改为heard)

　　重点短语 重点句型 重点单词 ❷倍数的表达方式 But when I tried to step forward,I found I was carried twice as far as on the earth and fell over.而当我试着向前迈步的时候,我发觉我被送出去很远,步子的跨度竟是在地球上的两倍,因而我摔倒了。(教材原句P31) 倍数的表达方式: 1.“A+谓语+倍数+形容词/副词的比较级+than+B”,表示“A比B……倍”。 The new building is four times higher than the old one.新楼比旧楼高4倍。 2.“A+谓语+倍数+as+形容词/副词的原级+as+B”,表示“A是B的……倍……”。 Asia is four times as large as Europe.亚洲的大小是欧洲的4倍。 3.“A+谓语+倍数+the size/height/length/width/depth...+of+B”,表示“A的……是B的……倍”。 The earth is 49 times the size of the moon.地球是月亮的49倍大。

　　重点短语 重点句型 重点单词 4.A+谓语+倍数+what从句 The production now is three times what it was ten years ago.现在的产量是10年前的3倍。 5.A+谓语+倍数+that of... Now the grain output in our county is twice that of 20 years ago.现在我们县的粮食产量是20年前的两倍。 ◆特别提醒 两倍用twice或double,不到一倍用分数表示,三倍或三倍以上一般用...times来表示。

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