【简答题】听下面一段材料,回答第1至3题。 1. When is the man supposed to check in? [ ] A. At 10:30 a.m. B. At 10:00 a.m. C. At 9:30 a.m. 2. Where is the man leaving for? [ ] A. London. B. Paris. C. Scotland. 3. Why do...
【简答题】- Don’t ride a bicycle which is not the right size for you. 2.- Check a bicycle before using it and make sure that the brakes ( 刹车 ) and steering-wheel (方向盘) work properly and the tyres (轮胎) have enou...