问题
单项选择题 A1型题
有机磷酸酯类急性中毒时，胆碱酯酶被“老化”后，使用解磷定，可使该酶
A．完全恢复活性
B．部分恢复活性
C．活性先恢复后抑制
D．不能恢复活性
E．活性缓慢恢复
答案
参考答案：D
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有机磷酸酯类急性中毒时，胆碱酯酶被“老化”后，使用解磷定，可使该酶
A．完全恢复活性
B．部分恢复活性
C．活性先恢复后抑制
D．不能恢复活性
E．活性缓慢恢复
参考答案：D
There are many kinds of pollution around us, air pollution, soil pollution, noise pollution and light pollution. They are bad our health in many ways. Burning gas, oil and coal creates air pollution. It can cause sore eyes and problems. With the increase of pollution and the development of industry, litter is everywhere. It makes our environment dirty. People put lots of rubbish in the land. Farmers use too many in the fields. They destroy the soil. So soil pollution has become serious. Noise pollution can make people . For example, people may lose their hearing if they work in a place for a long time. Too much noise can cause high blood pressure . Working for a long time in strong, changeable light cause some kinds of illnesses. It makes people feel and is especially bad for the eyes. With pollution, our planet will become greener and our health will be better. Let’s be greener people.
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