书面表达。

     You are supposed to write a composition on the topic Making Friends Selectively or Extensively.

You should write more than 100 words and base your writing on the outline given below：

1. 有些人认为应该有选择地交朋友;

2. 另一些人认为应该广泛地交朋友;

3. 你的看法。

                              Making Friends Selectively or Extensively?

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供日常主要交通用的楼梯的梯段净宽应根据建筑物使用特征，一般按每股人流宽为 ( )的人流股数确定，并不应少于两股人流。

A．[0.55+(0～0.15)]m

B．[0.65+(0～0.15)]m

C．[0.55+(0～0.25)]m

D．[0.55+(0～0.30)]m