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◆ 即学即练 用上述warn的搭配完成句子 (1)他已被提醒过酒后开车危险。 He has been________________ of driving after drinking wine. (2)他们警告他不要到那个河里游泳。 They warned him _______________________ in that river. (3)他们打来电话警告我可能会有麻烦。 They called and _________________________ warned me that I might be in trouble warned of danger against swimming/not to swim 4．Unfortunately，we can't move their homes out of the way and many houses have been covered with lava or burned to the ground. (P34) 遗憾的是，我们不可能把他们的家搬离岩浆流过的地方，因此，许多房屋被熔岩淹没，或者焚烧殆尽。 ◆ 词语归纳 burn to the ground完全烧毁，焚烧殆尽 burn down焚毁，烧塌 burn up(被)烧毁，烧得更旺，消耗(能量) burn away 烧掉，烧完(继续燃烧，烧掉，逐渐消失) ◆ 即学即练 用上述词和词组填空 (1)Don't leave the gas on，or you might ________ the house ____. (2)He has no place to live in because his house has been ______. (3)The spacecraft ________ as it entered the earth's atmosphere. (4)The forest fire ________ for a week. (5)You should take more exercise to ________ the extra energy. 答案：(1)burn；down (2)burnt to the ground (3)burned up (4)burned away (5)burn up 5．It wasn't very easy to walk in these suits，but we slowly made our way to the edge of the crater and looked down into the red，boiling center. (P35) 穿着这些衣服走起路来实在不容易，但我们还是缓缓往火山口的边缘走去，并且向下看到了红红的沸腾的中央。 ◆ 词语归纳 make one's way向某地走去；有出息 make way (for)让路，让位 feel one's way摸索前进 push one's way挤过 find one's way找到路，设法到达 go one's way走自己的路，我行我素 fight one's way奋勇前进 wind one's/its way蜿蜒前进 lose one's way迷路 ◆ 即学即练 用上述词和词组填空 (1)She hastily left the room，and ____________ to school. (2)It is easy to ____________ in the forest. (3)The stream | 
