【单选题】Sue : What's the weather like today? I'm wondering if it is going to rain this afternoon. Billy : 26 Sue : The football match! 27 ,but the fog! You can only see a short distance. Billy : But don...
【简答题】The bus is a usable form of transportation all over the world because we can easily take it to go everywhere.Also, we do not need to worry about er on a long-distance trip.Now, we have comfortable...
【简答题】完形填空。 It was a cold winter morning. Half asleep at the train station, I stared into the distance, 1 for the train to take me to my 2 in Boston. The world was quiet. The very few people on the street k...
【单选题】An elevator cab of mass m = 500kg is descending with speed initial v i = 4.0m/s when its supporting cable begins to slip, allowing it to fall with constant acceleration a = g/5. During the fall throug...