第4题: [单项选择]Martha started her business because A. someone asked her to. B. she saw a good opportunity. C. she had a lot of experience in fast foo 参考答案:B 答案解析:[听力原文]23-30 I = Interviewer M = Martha Flowers(Interviewee) I: Martha Flowers, you’re the f
第29题: [单项选择]Trees are a renewable resource that when managed properly can ________our needs indefinitely. A. sustain B. retain C. maintain D. obtain 参考答案:A 答案解析:[解析]近形近义题。由indefinitely可知是在时间上无限地满足我们的需要,sustain“维持,支持”指连续不断地支持、提供某物,符合句意,所以[A]为答案。[B]retain“保持”着重指继