题目内容
某房地产公司甲有未售出房屋一套，遂打电话向张某、李某、王某发出售房要约。并声明该要约的有效期为25天。要约发出后第5天，甲与张某签订买卖合同并交付了房屋，张某支付了全部房款，但未办理产权登记。第10天，甲又与不知情的李某签订了买卖合同并办理了产权变更登记。第20天，甲又与不知情的王某签订了买卖合同。下列说法不正确的是（）。
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Part B
Directions: You will hear four dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each question by choosing A, B, C or D. After listening, you will have 10 seconds to check your answer to each question. You will hear each piece ONLY ONCE.
听力原文： When Iraqi troops blew up hundreds of Kuwaiti oil well at the end of Gulf War, scientists feared environmental disaster. Would black powder in the smoke from the fires circle the globe and block out the sun？
Many said "No way"; rain would wash the black powder from the atmosphere. But in America, air sampling balloons have detected high concentrations of particles similar to those collected in Kuwait. It has formed huge lakes in the Kuwaiti desert. They trap insects and birds, and poison a variety of other desert animals and plants.
The only good news is that the oil lakes have not affected the underground water resources. So far, the oil has not been absorbed because of the hard sand just below the surface.
Nothing, however, stops the oil from evaporating. The resulting poisonous gases are choking nearby residents.
Officials are trying to organize a quick cleanup, but they are not sure how to do it. One possibility is to burn the oil. Get those black-powder detectors ready.
What were the scientists worried about soon after the Gulf War？
糖皮质激素诱发高血压的机制是
本例最可能的诊断是
根据有关法律规定，如果当事人对仲裁结果不服的，可以向法院提诉。 ()
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