第9题: [单项选择]信用在经济活动中的基本形态表现为( )。 A. 债权债务关系 B. 延期支付或预付形式 C. 体现一定的生产关系 D. 价值运动的特殊形式 参考答案:A 答案解析:[解析] 信用在经济活动中的基本形态表现为债权债务关系，任何信用交易都至少涉及两方，债权人即现在资源的拥有者和出借者，债务人即保障履行某种义务的资源使用者和借入者。
第23题: [填空题]How did Craig Venter defend his company’s behavior A. A．He was collecting information to sell to scientists B．The pace of genetic research became very slow because of competition C．The information collected by him would be given to government free of charge.
第25题: [单项选择]What can we learn about the woman from the dialogueHow does the man come to the new house A. On foot. B. By bike. C. By bus. 参考答案:C 答案解析:[听力原文] W: How do you come to the new house M: I come here by bus.
