正确答案: C

倡导使用铅蓄电池作动力的电动车

题目：通过研究，小红提出了一系列降低铅对环境污染的建议，下列建议中不恰当的事（）

解析：

 

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举一反三的答案和解析：

[单选题]According to those against killing wolves，when wolves eat other animals， ．

they might help this kind of animals survive in nature

[单选题]木兰目花被多3基数，显示了与单子叶植物的联系。( )

正确

[单选题]自花传粉现象在自然界得以保存，是因为它( )。

是对环境条件的适应

[单选题]Nine in ten parents said there were significant differences in their approach to educating their children compared with __ of their parents.

that

[单选题]

encouraging

[单选题]下列哪一种导管木质化程度最高?( )

孔纹导管

[单选题]三七的( )历来用作止血、散瘀、消肿药。

块根