A. a clever way B. a wise way C. no use D. quite useful 参考答案:C 答案解析:[分析] 从最后一段可知:当一个人要靠机器来维持呼吸时,会使许多人痛苦,而失去知觉的人并不知道,机器只能延长其家人和朋友的痛苦,可以推断出大脑死亡的人呼吸几乎是毫无用处的。
第14题: [单项选择]What does the woman mean A. She agrees with the man. B. She thinks it’s convenient to have cars, but the cars will pollute the air. C. She thinks it’s convenient to drive a car. 参考答案:B 答案解析:[解析] M: I want to buy a car. W: Oh, it’s convenient, but the air will become worse and worse.