问题
单项选择题
诊断有机磷杀虫药中毒时，全血胆碱酯酶活性应( )
A．≤90%
B．≤80%
C．<100%
D．≤75%
E．≤70%
答案
参考答案：E
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诊断有机磷杀虫药中毒时，全血胆碱酯酶活性应( )
A．≤90%
B．≤80%
C．<100%
D．≤75%
E．≤70%
参考答案：E
| 阅读对话，请将下列人物与其所拥有的东西选起来。 | ||
| A: Morning, everyone. I'm Bill. I'm a boy. I have a blue baseball. B: Hi, my name is Jenny. This is my watch. It is new. C: Hi, I'm Tony. My mother gives me a nice clock for my birthday. D: Hey. That is my English book. I am Nick. E: Hello. I am Frank. I have an eraser. It is on the desk. | ||
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