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2019-11-04	alta	80	Check this topic
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2019-09-30	mahan vahab kashi	73	Check this topic
2018-09-04	DAISY CHANG	73	Check this topic
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Topic title: A fossil skeleton of a dinosaur called Sinosauropteryx, preserved in volcanic ash, was discovered in Liaoning, China, in 1996. Interestingly, the fossil included a pattern of fine lines surrounding the skeletal bones. Some paleontologists interpret the li

Topic category: Integrated TOEFL Writing