【单选题】听力原文:M: Have you ever visited a redwood forest? I recently had a chance to go to Muirwoods National Monument north of San Francisco. W: I've never seen a redwood tree, I really can't imagine how big t...
【单选题】听力原文:W: Have you ever visited a redwood forest? I recently had a chance to go to Muir Woods National Monument, north of San Francisco. M: I've never seen a redwood tree. I really can't imagine how big...