第11题: [单项选择]A. He has a very high phone bill this month, too. B. The woman should contact the phone company. C. The woman should make fewer long-distance calls. D. He’ll help the woman pay her phone bill. 参考答案:C 答案解析:[解析] W: Look at my phone bill this month. I can’t believe it. It’s way too high. M: Yeah, tha
第12题: [单项选择]耗氧量是一个() A. 相对性指标 B. 绝对性指标 C. 普遍性指标 D. 特殊性指标 参考答案:D