Câu ví dụ #71
1. A study by Chinese researchers published last year identified ozone as a growing health risk that had caused a rise in deaths from strokes and heart disease.
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2. “No study has found that the abuse of sweetened tea or coffee causes obesity, diabetes or cardiovascular diseases in Vietnam,” it said.
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3. Prime Minister Nguyen Xuan Phuc last week asked concerned government agencies to study the possibility of building a new transnational railway in Vietnam and consult experts to come up with the most suitable option.
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4. ""Our study shows that the earliest land plants were amazingly productive and caused a dramatic increase in the oxygen content of the Earth's atmosphere.
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5. Some scientists have theorized that forests increase oxygen levels, but the PNAS study disagrees with that view.
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6. This oxygen boost "allowed large, mobile, intelligent animal life, including humans, to evolve", the study says.
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7. A study in the journal Nature found that about 30% of the reef's corals have died, the first time in two consecutive years of unprecedented coral bleaching along the 2,300-kilometer-long reef.
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8. Astronomers hope to end up with anywhere from 10 to 30 more rocky exoplanets for further study.
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9. The study by WaterAid and UNICEF also found many girls across the region - up to two-thirds in Sri Lanka - did not know about menstruation before starting their periods Many schools in the region of more than 1.
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10. The party regularly implores cadres to study the collapse of the Soviet Union in the early 1990s.
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