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问题 单项选择题

不论是细菌性中毒，或是非细菌性中毒，一般都具有很多共同的特点，如食物中毒的病人和健康人之间（）。

A．传染

B．不直接传染

C．互相感染

D．有明显关系

答案

参考答案：B

填空题

“女儿红”牌米酒(酒精浓度15%)，用2L德陶罐盛装
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选择题

It was ________ Benazir Bhutto, former Pakistan prime minister, was leaving the rally(集会) that the suicide bomb happened, ________ the world felt sorry.

A．when; for which

B．as; which

C．since; for which

D．after; which
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