问题
单项选择题
在全长为s米的道路两旁，每隔1米种树两棵，那么一共需要种几棵树( )
A．s-1
B．s
C．s+1
D．2(s+1)
答案
参考答案：D
解析：[命题提示] 本题考查植树问题 [解题要点] 道路两旁都种树，数量相当于一旁种树的两倍 每隔1米种树两棵，即道路每边每隔1米种树1棵，则每边种树(s+1)，所以一共种树2(s+1)棵。故选D。
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在全长为s米的道路两旁，每隔1米种树两棵，那么一共需要种几棵树( )
A．s-1
B．s
C．s+1
D．2(s+1)
参考答案：D
解析：[命题提示] 本题考查植树问题 [解题要点] 道路两旁都种树，数量相当于一旁种树的两倍 每隔1米种树两棵，即道路每边每隔1米种树1棵，则每边种树(s+1)，所以一共种树2(s+1)棵。故选D。
| 完形填空。 | |||
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