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问题 填空题

根据细菌性食物中毒的病理机制，可将细菌性食物中毒分为（）和（）。

答案

参考答案：感染型细菌性食物中毒；毒素型细菌性食物中毒

改错题
短文改错。
     此题要求改正所给短文中的错误。对标有题号的每一行做出判断：
如有错误（每行只有一个错误），则按下列情况改正：
此行多一个词：把多余的词用斜线（＼）划掉，在该行右边横线上写出该词，并也用斜线划掉。
此行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。
此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。
注意：原行没有错的不要改。
When our six children were young, suppertime is always        
being interrupted by neighborhood children ring the bell.  
They wanted one child or another to come out and played.    
Finally we had good idea. We hung a sign on the front       
door that was read:"We’re having dinner. Come back       
later." That night, we sat down to what they thought would 
be a pleasant, uninterrupted meals. But as soon as we       
began dinner, the doorbell rang. On the front door stood a 
five-year-old boy from across a street. He looked up     
at us and said, "I just want to know what the sign say." 		1______
2______
3______
4______                                             
5______
6______
7______
8______
9______
10______
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单项选择题

对生产要素禀赋理论提出质疑的是（）

A、核心资产论

B、投资与贸易替代论

C、资本化率论

D、“里昂惕夫之迷
查看答案