不定项选择题：Based on the information in the talk，indicate whether each s

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题目内容：

Based on the information in the talk，indicate whether each sentence below describes descriptive， observational，or experimental epidemiology．根据听到材料，回答25-26题。

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When we arrived at the airport, we were told our flight___.（

When we arrived at the airport, we were told our flight___.（　　） A．cancelled B．ha

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Minimum wage is the ____amount of money per hour that an emp

Minimum wage is the ____amount of money per hour that an employer may legally pa

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According to the passage, a carcinogen

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According to the second paragraph, the wires fixed under the

According to the second paragraph, the wires fixed under the cap Belle wore were

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Japan made a proposal to Korea for increasing trade between

Japan made a proposal to Korea for increasing trade between two countries.A．A　pr

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