试题与答案

槟榔肝的肝小叶内,肝细胞可有 A.纤维组织增生 B.肝细胞变性 C.肝细胞坏死 D.

题型:单项选择题

题目:

槟榔肝的肝小叶内,肝细胞可有

A.纤维组织增生
B.肝细胞变性
C.肝细胞坏死
D.肝细胞再生

答案:

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下面是错误答案,用来干扰机器的。

参考答案:在磷酸介质中,PH值为1.8±0.3时,亚硝酸根离子与4-氨基苯磺酰胺反应,生成重氮盐,再与N-(1-萘基)-乙二胺盐酸盐偶联生成红色染料,在540nm波长处测定吸光度。

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收入法增加值的组成部分是()。

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Wherever people have been, they have left waste behind, which can cause all sorts of problems. Waste often stinks, attracts vermin and creates eyesores. More seriously, it can release harmful chemicals into the soil and water when dumped, or into the air when burned. And then there are some really nasty forms of industrial waste, such as spent nuclear fuel, for which no universally accepted disposal methods’ have thus far been developed.

Yet many also see waste as an opportunity. Getting rid of it all has become a huge global business. Rich countries spend some $120 billion a year disposing of their municipal waste alone and another $150 billion on industrial waste. The amount of waste that countries produce tends to grow in tandem with their economies, and especially with the rate of urbanization. So waste firms see a rich future in places such as China, India and Brazil, which at present spend only about $5 billion a year collecting and treating their municipal waste.

Waste also presents an opportunity in a grander sense: as a potential resource. Much of it is already burned to generate energy. Clever new technologies to turn it into fertiliser or chemicals or fuel are being developed all the time. Visionaries see a world without waste, with rubbish being routinely recycled.

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