正确答案: C

possible

题目：55_______

解析：C

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举一反三的答案和解析：

[多选题]下列植物中属松科的有( )，属杉科的有( )。

雪松

冷杉

解析：CE

[单选题]Jim went to answer the phone. _______, Harry started to prepare lunce.

Meanwhile

[单选题]苏铁(Cycas revoluta)和银杏的生活史都有游动精子出现，说明它们是裸子植物的原始类型。( )

正确

[单选题]根据文章，回答 60～63 问题BIt was the first mow of winter -- an exciting day for every, child but not for most tether. Up until now, l had been able to dress myself for recess(课间休息), but today I would need some help. Miss Finlayson, my kindergarten teacher at Princess Elizabeth School near Hamilton, Ontario, had been through first snow days ,tony times in her long career, but I think struggled still remember this one.

the jacket and the boots

[单选题]十字花科子房常有次生假隔膜，故形成中轴胎座。( )

错误