night’s experiment prove?РA. Plants have their own desires. B. Plants can feel the pull.РC. Speed influences plants’ growing. D. Plants can grow quickly by doing a U-turn.Р15. Where can this passage most probably be found?РA. In a book review. B. In a lifestyle magazine.РC. In a scientific report. D. In an official document.Р【答案】12. A 13. D 14. B 15. CР【解析】Р本文是一篇科普说明文,介绍了植物通过自身感官感知到重力的作用,并对自身的生长方向做出调整。Р【12题详解】Р推理判断题。根据第二段最后一句“Hey, I’m upside down. Look! I. will turn my way to the right direction and do a U-turn.”作者用一种生活的语气描述了植物调整自身生长形态的变化。故A正确。Р【13题详解】Р推理判断题。ording to botanist Daniel Chamovitz, Thomas Knight about 200 years ago guessed that plants must sense gravity. Knight proved it with a crazy experiment involving a spinning plate.可知研究人员认为植物可以感知到重力的作用,并用实验证明了这一理论。也就是说重力决定了植物的生长方向。故D项正确。
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