[Q]: I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "Darwin's aims were twofold: to show that species had not been separately created, and to show that natural selection had been the chief agent of change. He knew that his readers were already familiar with the concept of transmutation of species from Vestiges, and his introduction ridicules that work as failing to provide a viable mechanism. Therefore, the first four chapters lay out his case that selection in nature, caused by the struggle for existence, is analogous to the selection of variations under domestication, and that the accumulation of adaptive variations provides a scientifically testable mechanism for evolutionary speciation."?
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[A]: Darwin's aim was?


[Q]: I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "Also founded in 1935 and based in Detroit the Michigan Chronicle is one of the oldest and most respected African-American weekly newspapers in America. Covering politics, entertainment, sports and community events. The Detroit television market is the 11th largest in the United States; according to estimates that do not include audiences located in large areas of Ontario, Canada (Windsor and its surrounding area on broadcast and cable TV, as well as several other cable markets in Ontario, such as the city of Ottawa) which receive and watch Detroit television stations."?
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[A]: Ottawa is the capital of?


[Q]: I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "SC Bern is the major ice hockey team of Bern who plays at the PostFinance Arena. The team has ranked highest in attendance for a European hockey team for more than a decade. The PostFinance Arena was the main host of the 2009 IIHF Ice Hockey World Championship, including the opening game and the final of the tournament."?
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[A]: A type of competition that has a large number of participants that normally decides upon one winner is called a?


[Q]: I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "A dense wave of smog began in the Central and Eastern part of China on 2 December 2013 across a distance of around 1,200 kilometres (750 mi), including Tianjin, Hebei, Shandong, Jiangsu, Anhui, Shanghai and Zhejiang. A lack of cold air flow, combined with slow-moving air masses carrying industrial emissions, collected airborne pollutants to form a thick layer of smog over the region. The heavy smog heavily polluted central and southern Jiangsu Province, especially in and around Nanjing, with its AQI pollution Index at "severely polluted" for five straight days and "heavily polluted" for nine. On 3 December 2013, levels of PM2.5 particulate matter average over 943 micrograms per cubic metre, falling to over 338 micrograms per cubic metre on 4 December 2013. Between 3:00 pm, 3 December and 2:00pm, 4 December local time, several expressways from Nanjing to other Jiangsu cities were closed, stranding dozens of passenger buses in Zhongyangmen bus station. From 5 to 6 December, Nanjing issued a red alert for air pollution and closed down all kindergarten through middle schools. Children's Hospital outpatient services increased by 33 percent; general incidence of bronchitis, pneumonia, upper respiratory tract infections significantly increased. The smog dissipated 12 December. Officials blamed the dense pollution on lack of wind, automobile exhaust emissions under low air pressure, and coal-powered district heating system in North China region. Prevailing winds blew low-hanging air masses of factory emissions (mostly SO2) towards China's east coast."?
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[A]:
It was likely that the smog was caused mostly by pollutants produced by what two sources cited in the passage?