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1、智课网TOEFL备考资料新托福tpo23听力解释摘要:听力是很多考生都觉得很难的一个环节,大家都会选择TPO作为练习资料, 但是TPO中有很多的难点,很多考生都不是很理解,今天小编为大家整理新托福 tpo23听力解释,大家一起来参考一下吧。今天小编为大家准备新 托福tpo23听力解释,相信很多考生都对TPO的这个环 节都有共识,今天小编为大家 带来新托福tpo23听力解释+原文我们一起来看看 吧。听力原文:Listen to part of a lecture in a biology class.(female professorNow, plants, like animals, and
2、like us for that matter, need nutrients, substances that provide nourishments, to survive, thrive and grow. We get our nutrients from the food we eat. Pla nts, though, most pla nts any way, absorb their nu trie nts from the soil, right, through their root systems? OK, but there are plants that don
3、39; t get their nutrients from tsoil. The places they grow the soil is bad. So they get their nu trie nts from in sects in stead, from trapp ing and digesti ng in sects. They are called carnivo rous pla nts.Carnivo rous pla nts capture in sects in differe nt ways. They have differe nt trapp ing mech
4、a ni sms: active traps and passive traps. A pla nt with an active trap, a good example is the Venus flytrap. The Venus flytrap actually moves to capture its prey or parts of it any way. Its leaves, it has special leaves that are hin ged in the middle the two halves of the leaves ope n and close sort
5、 of like a mouth to catch in sects. And on these leaves is a sweet n ectar that attracts in sects. In sects like the sweet stuff. And whe n they get lured in and land on the leaf, wham! The leaf spri ngs shut. It' s an active trap. And the in sect spri ngs it so to speak. The leaf quickly closes
6、 to form a little cage, trapp ing the in sectbetwee n the leaves. The Venus flytrap is the n able to digest the in sect and get its nu trie nts.But other carnivorous plants, their methods are passive. They don' t have anymoving parts to trap thin gs. They have passive traps, like the sun dew pla
7、 nt. The sundew pla nt also produces a sweet n ectar that attracts in sects. Its leaves are full of little hairs that secrete sweet substa nee. But what happe ns whe n in sects land on sundew' s leaves to getthe sweet nectar? Well, unfortunately for the in sects, the hairs on the leaves also pro
8、duce a super sticky glue-like substa nee. So an in sect get stuck and can' t fly away. It basicallyget glued there allow ing the sundew to digest it and absorb nu trie nts.Questi on:Using the example of the Venus fly trap and the sun dew, describe two ways thatcarnivo rous pla nts get theirnu tr
9、ie nts.范文一:In the lecture, the professor talks about two ways carnivo rous pla nts capture in sects.The first way is active trap. For example, Venus fly trap has some parts that can move to catch the prey its leaves are hinged in the middle and the two parts of the leaves look like a mouth. Also its
10、 leaves have sweat n ectar on them to attract the in sects. Whe n in sects areattracted by the nectar and land on the leaves, the leaves spring shut and form littlecages. The n Venus fly trap can digest the in sects and get nu trie nts. The sec ond way is passive trap. For example, the Sundew pla nt
11、 has no moving parts. It also has sweet n ectar on its leaves. But its leaves are full of little hairs. Whe n in sects land on the leaves, hairs can produce super sticky glue substa nee. So the in sects get stuck on the leaves and the n Sun dew pla nt can digest the in sects and absorb nu trie nts.范
12、文二:The lecture in troduces two ways that carnivo rous pla nts get their nu trie nts. The first way is actve traps, the plant' s body or part of its body moves to catch preys. Such asVenus flytrap, they have sweet n ectar to lure in sects and have leaves that can close like a mouth. When in sects
13、 land on its leaves, the leaves close to form a cage and shut the in sects in side. Then they will be able to digest the in sects and get the nu trie nts. The sec ond way is passive traps, such assun dew pla nt. The sun dew pla nt has sweet substa nee and sticky stuff on its leaves; in sects that were attracted by the sce nt will get stuck on its leaves. In this way, they catch the in sects to get
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