正确答案: B

杨柳科

题目：种子具种缨的分类群是( )。

解析：B

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举一反三的答案和解析：

[单选题]—How about camping this weekend, just for a change?—OK, you want.

whatever D．whoever

解析：解析：本题考查引导词。句意：“这个周末野营怎么样，来点新鲜的？”“好啊，按你的意思吧！”根据语境分析出后者支持前面的提出的观点。

[单选题]When problems occur, winners take them as ________

chances for self-development

解析：

文中最后一段. Winners don't have fewer problems in their lives; they have just as many difficult situation to face as anybody else.

[单选题]组成蒴果的心皮至少是2个。( )

正确

[单选题]

spotted

[单选题]下列有关化学与生活的说法不正确的是

自来水厂可用氯气来杀菌消毒，因此氯气无毒

[单选题]

dark

[单选题]To improve the quality of our products ,we asks for suggestions _______had used the products.

whoever

[单选题]我国( )是世界杜鹃花属植物的分布中心。

西南地区

[单选题]裸子植物比蕨类植物进化，而裸子植物的颈卵器却更为退化。( )

正确