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123研究物质的比热容习题2

The testing zone has conducted nearly 1,000 automatic driving tests since it started operation in June 2018, and is preparing to launch two new road test routes along public city roads and public expressways, both set to stretch about 100 kilometers.

The three-day meeting at UN Environment Program headquarters in the Kenyan capital has brought together more than 4,000 heads of state, ministers, business leaders, UN officials and civil society representatives. It is the world's highest-level decision-making body on the environment.

The topic sparked heated discussion on Chinese social media platform Weibo. "I have downloaded far more than 56 apps on my phone, even double or triple," many users said.

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The test was created by a team of 13 scientists at the Oxford Suzhou Centre for Advanced Research, which is a partnership between Oxford University and the Suzhou Industrial Park in Jiangsu province.

The tourism businesses in Shiyan, Hubei province, virtually shut down after the outbreak began in late December. Most residents in urban areas remain under strict quarantine, with their daily necessities met by delivery services.

The three tombs, one of which contains the remains of a husband and wife, are believed to date back to the early Bronze Age more than 4,900 years ago, according to Ruan Qiurong, researcher with the institute.

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The top 500 lists have been released 54 times since 1993.

The top environment authority named and shamed three provincial regions－Qinghai and Yunnan provinces and the Xinjiang Uygur autonomous region－on Monday for their delayed efforts to fulfill their water pollution reduction targets.

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The town center of Brumadinho has been evacuated by local authorities, as the river often overflows when it rains heavily.

The top 10 words and expressions were selected by an algorithm based on a corpus of 1 billion Chinese characters collected from publications of nine print media outlets, 20 broadcasting or television stations and four news websites between Jan 1 and Nov 30, said the center, adding that the final results were confirmed by its staff.