正确答案: D

新的消费需求对一个产业的调整和升级起着导向作用

题目：2009年我国经济尽管受到全球金融危机的影响，但是互联网产业却保持着快速、良好的发展态势，网民数量剧增，使得应用创新迎来新的机遇。我国互联网产业逆势而上表明（ ）

解析：D

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举一反三的答案和解析：

[单选题]下列植物中，( )根中无髓。

小麦

[单选题]下列推断合理的是

明矾[KAl（SO4）2·12H2O]在水中能形成Al（OH）3胶体，可用作净水剂

解析：

【解析】 KAl（SO4）2·12H2O电离出的Al3+能水解，生成Al（OH）3胶体，可用作净水剂，A正确；金刚石能够与氧气发生反应，生成二氧化碳，B错误；浓H2SO4有强氧化性，在加热条件下与Cu可剧烈反应，C错误；SO2使品红溶液褪色，加热颜色能复原；SO2和溴水发生氧化还原反应，加热不能恢复原来颜色，D错误。

[单选题]

did

[单选题]这一特征不为十字花科所特有。

侧膜胎座

[单选题]The author used to think of her mother’s English as ______.

imperfect

[单选题]维管射线包括木射线和韧皮射线。( )

正确

[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]听第7段材料，回答第8、9题。第8题：Why doesn’t the woman take the green T-shirt?

It’s too small．

解析：暂无答案