正确答案: BC

硅藻 松藻

题目：下列藻类植物中，植物体(营养体)为二倍体的是( )。

解析：BC

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举一反三的答案和解析：

[单选题]_________

routinely

[单选题]

what

[单选题]葡萄是合轴分枝，它的卷须是由( )形成的。

腋芽

[单选题]My parents _____ in Hong Kong. They were born there and have never lived anywhere else.

live