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专题四 │ 真题典例 16. B 根据上文，司机睡着了，那么后果应该是车辆驶离公路。off 用作介词表示 “离开，远离”，因此符合语境。 17. A 根据后文中的 “ they are not seriously hurt”，可知，此处表示，司机开车时睡着，幸运的话不会受到严重的伤害。 18. D 上文中介绍的是开车睡着的后果，下面要举例，因此选D。 19. B 因为女司机把车开到了河里，醒来的时候肯定是在水里，因此选B。 20. A 呼应首句，本文主要介绍人们在困倦的情况下，会在任何地方睡着，因此选A。 专题四 │ 新题预测 Scientists know that some plants can generate heat. Skunk cabbages, __1__ , heat themselves and even __2__ the snow around them. So the bug scientists thought the seed bugs could be searching for cones (球果)that __3__ some heat. The researchers took their theory, or idea, outdoors for a__4__.They brought along a special camera that gave them the __5__ to see warmth. Through this camera, heat __6__ in shades of yellow and orange. When the scientists looked at 新题预测 专题四 │ 新题预测 the pine __7__ through the camera, the bugs’ food __8__.The trees looked __9__ they were covered in candles. “All we could __10__ was Christmas，” said Stephen Takács, the leader of the study and a scientist at Simon Fraser University in Burnaby, Canada. “We were __11__ stunned(晕眩)．” | 
