正确答案: D

单被，花冠缺如

题目：蓼科与藜科、苋科一样，花被均为( )。

解析：D

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举一反三的答案和解析：

[单选题]What is a cause for the change of Stefania’s body clock?

Getting no natural light.

[单选题]What is talk mainly about?

The plan for the day.

[单选题]The house I grew up ________ has been taken down and replaced by an office building.

in

[单选题]成都市政府此举表明

提供社会公共服务是国家的基本职能

[单选题]What is one of the problems that David is facing now?

He is too young to get a credit card.