《You must be careful of falling stones》Rules and suggestions PPT课件(第2课时)

外研版九年级英语下册《You must be careful of falling stones》Rules and suggestions PPT课件(第2课时)，共20页。

get lost意为“迷路”，其同义短语为lose one's way。

eg：It's very easy to get lost in the forest.在森林里很容易迷路。

You mustn't go off on your own.你们不许独自离开。

①go off在此处意为“离开”。

eg：She went off to get a drink.她离开去拿饮料了。

【拓展】go off还意为“爆炸；响起；熄灭；变质；变坏”。

eg：I woke up when my alarm clock went off.闹钟一响我就醒了。

Milk goes off quickly in hot weather.牛奶在热天很快就会变坏。

②on your own意为“独自；单独”；相当于all by yourself或alone。

on one's own意为“独自地；独立地”，其中one's要随主语的人称变化而变化。

I'll lead the way.我来带路。

lead the way意为“带路”。

eg：I don't know the way to the library.Who will lead the way？我不知道去图书馆的路，谁来带路？

【拓展】lead用作及物动词时，有如下含义：

①引导；领(路)

eg：She led me into the living room.她带我进入客厅。

②领导；指挥；率领

eg：They will let the young man lead the basketball team.他们将会让这位年轻人领导这个篮球队。

③过(某种生活)

eg：We lead a very quiet life.我们过着非常安静的生活。

④造成；导致

eg：What led him to break the rules？是什么导致他违反规定？

重点词组归纳

at noon在下午

in one go一口气；一下子

be careful of小心；注意

begin with以······开始

get up to到达；达到