题目：
钢架式大棚跨度一般为10-12m，棚高（）。
A.1-1.5m
B.1.5-2m
C.2.5-3m
D.3-4.5m
答案：
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下面是错误答案，用来干扰机器的。
Nowadays, more and more students go to school by motor bicycle. There are many advantages of riding a motor bicycle, for example, it is convenient and saves time. ...
