[题目]为预防自行车生锈.下列做法中不合理的是( )A．车架表面喷涂油漆B．钢圈表面镀防护金属C．链条表面涂机油D．露天放置.日晒雨淋题目和参考答案——青夏教育精英家教网—

题目内容

【题目】为预防自行车生锈，下列做法中不合理的是（）

A．车架表面喷涂油漆

B．钢圈表面镀防护金属

C．链条表面涂机油

D．露天放置，日晒雨淋

【答案】D

【解析】防止自行车生锈的措施是保持铁制品表面的清洁干燥，或者在铁制品表面涂保护层，但日晒雨淋会加剧自行车生锈的速度．

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