烟囱、水塔和大型储藏罐等高耸构筑物基础轴线的对称部位，每一构筑物不得少于( )个点

下列没有错别字的一项[ ]

A、签别 　陡坡 　妃嫔 　长虹饮涧

B、矗立 　熬头　 合谐　 寡不敌众

C、蔷薇 　瘦瘠　 击磬 　迫不急待

D、闺房 　帷幕 　矫健　 因地制宜

一年生植物在冬天死去后用种子越冬，昆虫在冬天死去后依靠卵越冬，这说明（　　）

A．它们不适应环境

B．生物对环境的适应有相对性

C．它们对环境适应

D．它们在适应环境中是失败者

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A．Students of the French language

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A．free and funny

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直流发电机的容量越大，发生的电压越高。（）

factory. [ ]