正确答案: C

原生木质部

题目：禾本科植物茎维管束中的气隙(气腔)是遭破坏了的( )。

解析：C

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举一反三的答案和解析：

[单选题]

spare

[单选题]AI know what you’re thinking : pizza （比萨饼）? For breakfast? But the truth is that you can have last night’s leftovers in the a. m. if you want to

food remaining after a meal B． things left undone

[单选题]根据内容，回答下面问题：We have met the enemy, and he is ours. We bought him at a pet shop. When monkey-pox, a disease usually found in the African rain forest, suddenly turns up in children in the American Midwest, it’s hard not to wonder if the disease that comes from foreign animals is homing in on human beings.“Most of the infections(感染)we think of as human infections started in other animals.”says Stephen Morse, director of the Center for Public Health Preparedness at Columbia University.It’s not just that we’re going to where the animals are; we’re also bringing them closer to us. Popular foreign pets have brought a whole new disease to this country. A strange illness killed Isaksen’s pets, and she now thinks that keeping foreign pets is a bad idea.“I don’t think it’s fair to have them as pets when we have such a limited knowledge of them,”says Isaksen.

suffer from monkey-pox

[单选题]What dose the woman buy in the end?

A pink T-shirt.

[单选题]中国月季引种到欧洲，经种内杂交，选育出现代月季。( )

错误

[单选题]鼠李科与葡萄科的区别之一在于是否具花盘。( )

错误

解析：解析：将“花盘”改为“卷须”或“浆果”等。

[单选题]科的拉丁学名词尾是( )。

-aceae

[单选题]“我们全都是希腊人；我们的法律、我们的文学、我们的宗教，根源皆在希腊。”英国浪漫主义诗人雪莱这名话强调是的

希腊文明对西方文明影响深远

[单选题]无胚乳种子的养料贮存在子叶中。( )

正确