消灭蝗虫时,把它的头部置于水中不能使它窒息,原因是( ) A.

消灭蝗虫时,把它的头部置于水中不能使它窒息,原因是(  )

A 蝗虫可以吸收水中的氧气 

B 蝗虫可以通过体表进行呼吸

C 蝗虫可以几个小时不呼吸 

D 蝗虫通过气管进行呼吸

答案

D

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