托福写作tpo范文:TPO31综合写作+独立写作范文汇总

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托福TPO31综合写作范文

The reading passage indicates that Sinosauropteryx was not a feathered dinosaur because some paleontologists misinterpret lines as evidence of Sinosauropteryx's feathers. However, based on the listening, the evidence that the lines represent feathers is strong. The arguments in the reading are not convincing.

First, the reading claims that the lines may not represent functional structures of a living Sinosauropteryx. Instead, the lines are possibly fibers. However, the professor's lecture contradicts what the reading suggests. She argues in the lecture that it is unlikely the lines represent the decomposition of the dinosaur' s skin because we do not see any such decomposition in the fossils of animals buried at the same site. The fossils of animals buried at the same site indicate that the functional skin structures of this species have been well preserved. Therefore, the lines are one of functional skin structures, possibly feathers, not fibers caused by decomposition.

Second, the author of the reading holds the opinion that the lines are much more likely to be fossilized remains of frills than feathers. But the professor in the lecture refutes this point by saying that there is an important chemical difference between feathers and frills: feathers contain a protein called beta-keratin. On the other hand, frills do not have beta-keratin. Chemical analyses suggest that the lines contain beta-keratin. Thus, the lines are feathers as opposed to frills.

Third, from the reading, we know that the lines do not represent feathers because the location of the lines makes them useless for flight and thermoregulation. In contrast, the listening challenges this point by taking peacock as an example. Peacocks have long and colorful feathers. They display their feathers to attract mate. This function is called display function. Chemical analyses suggest that the lines in Sinosauropteryx's body are colorful. Therefore, these lines are feathers used for display.

托福TPO31独立写作范文

True, this fast-paced and ever-changing world imposes enormous pressures on modern people. So it is generally believed contemporaries who are under pressure feel less satisfied with their lives. However, as far as I am concerned, modern people’s sense of satisfaction with life does not pale when compared with people in the past.

First, due to technological development, there has been no time in history where the lived lives of people have changed more dramatically. With the technology revolutionizing the world, modern life becomes increasingly convenient. A quickly reflection of a typical day reflects this: most people commute to work in an automobile that runs on an internal combustion engine. During the workday, chances are high that employees will interact with a computer that processes information very fast. In holidays, jet planes take people to other bits of the world in a matter of 14 hours, or family members have face-to-face communication through wireless networks that utilize satellites orbiting the earth. Each of these common occurrences could have been inconceivable in the past: people went to work by taking crowded buses or walking to their workplaces far away from home; computers were not available to help them handle piles of work; in horse-and-buggy generation, achieving intercontinental travel was impossible. From these cases, we can safely draw the conclusion that people in this day and age would derive more satisfaction and happiness than before.

Second, policies published by the government makes education more accessible for modern people across the whole age spectrum. Consider school-age children. Now, nine-year compulsory education ensures their right of being educated, even if they are born in rural and remote areas. In addition, government-sponsored exchange programs send millions of college students to study abroad without placing a large financial burden on their families. Without this project, there would be no possibility for them to transform their dreams of receiving higher education in western universities into truth. Two decades ago, however, many children who grew up in underdeveloped areas could not receive much formal schooling because tuition fees were unaffordable to their families. The deprivation of education was undoubtedly a tragedy for them and their families. For college students at that times, pursuing knowledge in prestigious higher education institutions in western countries was a luxury. Only those from upper class families can afford to study overseas. Thus, in terms of education, modern people would definitely feel satisfied.

In conclusion, contemporaries can feel more satisfied and happier than people in the past.

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