外研版九年級(jí)英語(yǔ)下冊(cè)《You must be careful of falling stones》Rules and suggestions PPT課件(第2課時(shí))，共20頁(yè)。
get lost意為“迷路”，其同義短語(yǔ)為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.你們不許獨(dú)自離開。
①go off在此處意為“離開”。
eg：She went off to get a drink.她離開去拿飲料了。
【拓展】go off還意為“爆炸；響起；熄滅；變質(zhì)；變壞”。
eg：I woke up when my alarm clock went off.鬧鐘一響我就醒了。
Milk goes off quickly in hot weather.牛奶在熱天很快就會(huì)變壞。
②on your own意為“獨(dú)自；單獨(dú)”；相當(dāng)于all by yourself或alone。
on one's own意為“獨(dú)自地；獨(dú)立地”，其中one's要隨主語(yǔ)的人稱變化而變化。
I'll lead the way.我來帶路。
lead the way意為“帶路”。
eg：I don't know the way to the library.Who will lead the way？我不知道去圖書館的路，誰來帶路？
【拓展】lead用作及物動(dòng)詞時(shí)，有如下含義：
①引導(dǎo)；領(lǐng)(路)
eg：She led me into the living room.她帶我進(jìn)入客廳。
②領(lǐng)導(dǎo)；指揮；率領(lǐng)
eg：They will let the young man lead the basketball team.他們將會(huì)讓這位年輕人領(lǐng)導(dǎo)這個(gè)籃球隊(duì)。
③過(某種生活)
eg：We lead a very quiet life.我們過著非常安靜的生活。
④造成；導(dǎo)致
eg：What led him to break the rules？是什么導(dǎo)致他違反規(guī)定？
重點(diǎn)詞組歸納
at noon在下午
in one go一口氣；一下子
be careful of小心；注意
begin with以······開始
get up to到達(dá)；達(dá)到
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