题干
The city is 2, 000 kilometers away from here. You'd better ________.
A：walk
B：go by the train
C：take the train
D：ride a bike
答案(点此获取答案解析）
C
The city is 2, 000 kilometers away from here. You'd better ________.
A：walk
B：go by the train
C：take the train
D：ride a bike
， 
（单位kg）．任选一袋这种大米，其质量在9.8~10.2kg的概率为（ ）
