正确答案: B

珠鳞

题目：松柏纲植物的可育大孢子叶是( )。

解析：B

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举一反三的答案和解析：

[单选题]下列属于种间竞争实例的是

某培养瓶中生活的两种绿藻，一种数量增加，另一种数量减少

解析：【解析】蚂蚁取食蚜虫分泌的蜜露属于捕食，菜粉蝶幼虫与蜜蜂采食的是油菜的不同部位，不构成竞争关系；细菌与噬菌体是寄生。培养瓶中的两种绿藻构成竞争关系。所以选D 。

[单选题]The passage is mainly developed by .

analyzing cause

[单选题]“爱情无须死去活来，温馨就行；朋友无须如胶似漆，知心就行；金钱无须取之不尽，够用就行；身体无须长命百岁，健康就行。”这段话体现的哲理是

重视量的积累 抓住时机促成质变 把握适度原则 抓住机遇赢得主动

[单选题]⒙下列句中加点字不属于通假字的一项是(2分)

卒供役而还

[单选题]BBoiler rooms are often dirty and steamy, but this one is el.ean and cool. Fox Point is a very new47-unit living building in South Bronx, one of the city’s poorest areas. Two-thirds of the people living there are formerly (以前) homeless people, whose rent is paid by the government. The rest are low-income families. The boiler room has special equipment, which produces energy for electricity and heat. It reuses heat that would otherwise be lost to the air, reducing carbon emissions(碳排放)while also cutting costs.

To show how the environment-friendly building works.

[单选题]EHumans are naturally drawn to other life forms and the worlds outside of our own。We take delight in the existence of creatures and even whole societies Beyond our everyday lives.

the general existence of the sense of curiosity

[单选题]What does Karen Pickering put on top of her diary?

Her training schedule.