禾本科植物叶片和叶鞘相接处的腹面有一膜质向上突起的片状结构，_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

禾本科植物叶片和叶鞘相接处的腹面有一膜质向上突起的片状结构，称（）。

A．叶舌

B．叶耳

C．叶枕

D．叶环

答案

参考答案：A

选择题

--- Is he said _______ his car lost?

--- Yes. He was so foolish _______ leave his car unlocked.[ ]

A. that; that

B. to have; for him to

C. to have; to

D. to have had; as to

单项选择题

下列哪项不是带下病的病因

A．脾虚湿注

B．感受湿邪

C．肺阴亏虚

D．湿热下注

E．肾阳虚衰