紫菜的生活史中有一阶段呈丝状，附着在软体动物上生物，此时的植物体称为_______。
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裸藻细胞前端着生1～3根_______型鞭毛，具一个红色的_______，叶绿素成分为_______和_______，储藏物质主要是_______，其细胞核为_______。
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A. Prof. Steve"s lecture on global warming is well-grounded.
B. The man does not accept Prof. Steve"s point as completely true.
C. The woman believes global warming is caused by human being.
D. The speakers are optimistic about global warming.
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A. Their working agenda.
B. TV schedules for baseball matches.
C. Their favorite baseball teams.
D. Their arrangement for watching baseball games.
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