托福听力涉及哪些植物？科普来袭！

　　一、托福听力曾涉及具体植物名称

　　1、Coconut 椰子

　　托福听力真题原文

　　A good example -- coconuts, because the fruit of coconut palm tree, make it often grows near the ocean. Coconut has a thick, wooden covering, so the coconut can float in water. So when coconuts fall off a palm tree, it can float away in the ocean, which helps to disperse the palm tree seeds, sometimes hundreds or even thousands of miles away.

　　2、bamboo 竹子

　　托福听力真题原文

　　Take the example of bamboo plant. Now bamboo is actually a grass, its seeds are kind of green, highly desirable food source. A lot of animals will eat bamboo seeds. From small birds and rodents to large mammals, including the occasional elephants, and they’re plenty to go around.

　　3、农作物

　　Corn/Maize 玉米

　　teosinte 类蜀黍

　　wheat 小麦

　　托福听力真题原文

　　（1）. So, continuing with crop domestication and corn or umm maize as it’s often called. Obviously it’s one of the world’s most important crops today, it’s such a big part of the diet in so many countries and it’s got so many different uses that it’s hard to imagine a world without it.

　　（2）. One involved a plant called teosinte. Teosinte is a tall grass that grows wild in certain parts of Mexico and Guatemala.

　　（3）. Let's talk about these rents for a minute. Most of the time the rents were collected in kind, payments of actual items like how many bushels of wheat, so many eggs a year and so on.

　　4、Algae 藻类

　　托福听力真题原文

　　Hundreds or even thousands of individuals will congregate under a floating log, or tree branches, or drifting algae, any chunk of debris really, whether naturally occurring or human made.

　　5、Cactus 仙人掌

　　托福听力真题原文

　　Why do cactus’s roots spread out under the desert floor?

　　A. It keeps the cactus from falling over

　　B. It helps the cactus to get more sunlight

　　C. It keeps the wing from drying out the roots

　　D. It allows the cactus to collect more rain water

　　What is one reason that the taproot is important?

　　A. It helps the cactus to grow taller

　　B. It can transfer water to other roots

　　C. It can reach water deep underground

　　D. It helps other roots to spread out farther

　　二、托福听力植物相关词汇汇总

　　参考仙人掌相关植物词汇：

　　1. succulent [ˈsʌkjələnt] 多汁的

　　2. transpire [trænˈspaɪə(r)] 蒸发;散发

　　3. cuticle [ˈkjuːtɪkl] 角质层

　　4. ephemeral [ɪˈfemərəl] 短暂的;朝生暮死的

　　5. adaptation [ˌædæpˈteɪʃn] 适应;适应性

　　6. photosynthesis [ˌfəʊtəʊˈsɪnθəsɪs] 光合作用

　　7. predator [ˈpredətə(r)] 捕食者;食肉动物

　　8. tissue [ˈtɪʃuː] (动物或植物细胞的)组织

　　9. lateral [ˈlætərəl] 侧面的;横向的

　　10. waxy [ˈwæksi] 蜡质的;像蜡的

　　11. core [kɔː(r)] 核心;果心

　　12. stem [stem] 茎;干

　　13. evolve [iˈvɒlv] 进化;演变

　　14. insulate [ˈɪnsjuleɪt] 使隔热;使隔音;使绝缘

　　15. taproot [ˈtæpruːt] 主根;直根

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