托福TPO47綜合寫作真題解析

TPO，即toefl Practice Online的首寫字母，就是托福在線練習(xí)的意思，TPO可以為考生提供全真的模擬考試環(huán)境和過往真題，而TPO題庫也是有著不斷的更新。在托福寫作備考的過程時候，大家往往會把更多的精力放在托福獨立寫作的準(zhǔn)備中。但是，想要沖刺的托福寫作的高分，綜合寫作也是我們必須要沖過的一個難關(guān)。今天，小編就為大家?guī)�來托福TPO47綜合寫作真題解析。

托福TPO47綜合寫作真題解析： 【在線咨詢】

Question: Summarize

話題：Biology 生物學(xué)
材料要點重現(xiàn)：lecture中教授的觀點是翼龍可以飛。原因有三點，第一是翼龍是暖血動物可以產(chǎn)生飛行所需能量。第二是翼龍骨頭是空心的所以很輕。第三是翼龍飛行可以用四肢而不只是后肢。
高分詞匯：contradict, reptile, cold-blooded, repute, metabolism, aloft, hollow, airborne, flap, launch

托福綜合寫作范文：  【在線咨詢】

In the reading passage, the writer claims that large pterosaurs were incapable of powered flight. The speaker, however, contradicts this view for the following three reasons.
First of all, the reading materials points out that ancient reptiles such as pterosaurs were probably cold-blooded and were incapable of producing enough energies for flying. But the speaker reputes that pterosaurs had a dense, hair-like covering which was typical of warm-blooded animals whose metabolism was able to supply the energy required for powered flight.
Second, the author states that pterosaurs were too heavy to stay aloft for any length of time. But the lecturer suggests that the bones of pterosaurs were hollow instead of solid. Therefore, although they had large body frames, the pterosaurs' weight was probably low enough to allow them to keep themselves airborne by flapping wings.
Lastly, the author indicates pterosaurs lacked the big, powerful muscles in their back legs to run fast enough or jump high enough to launch themselves into the air. Contrary to the reading passage, the speaker emphasizes that unlike birds which used just the back limbs, pterosaurs used four limbs to push off the ground.

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