正确答案: BCD
团藻 硅藻 紫菜
题目:下列藻类植物的生活史中,具核相交替的是( )。
解析:BCD
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举一反三的答案和解析:
[单选题]下列叙述正确的是(用NA代表阿伏加德罗常数的值)
在标准状况下,22.4LCH4与18gH2O所含有的电子数均为10 NA
[单选题]兰科(Orchidaceae)植物花因子房呈180°扭转,使唇瓣位于上方。( )
错误
[单选题]
trouble
[单选题]—— Do you mind my opening the window? It’s a bit hot in here.——____________ , as a matter of fact
Yes, I do
[单选题]---- I' m surprised to hear that Sue and Paul have __ .
----So am I. They seemed very happy together when I last saw them.
broken up B.finished up C.divided up closed up