【单选题】听力原文:W: How was your trip to the Grand Canyon? M: It was excellent! We spent five days hiking along the Colorado River and exploring the side canyons. It was great to get out of the city and back to n...
【单选题】A By the time you read these words, winter should have gone within the Northern Hemisphere (半球). But at its worst, this winter was unusually cold. Here in New York City on January 31, the low temperat...
【单选题】听力原文:W: How was your trip to the Grand Canyon? M: It was excellent! We spent five days hiking along the Colorado River and exploring the side canyons. It was great to get out of the city and back to n...