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【单选题】
抗生素是一类具有特异性抑菌和杀菌作用的有机化合物,它产生于微生物生长的A.
延迟期
B.
对数期
C.
稳定期
D.
衰亡期
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反馈参考答案：
举一反三
【简答题】恼人的事 n.
【简答题】The children are just an ______________ (恼人的事) for him when he's trying to work.
【简答题】激怒,恼怒;刺激物,恼人的事
【简答题】恼人的事____
【单选题】Washington has come to do something about the fighting which killed hundreds of civilians in Liberia's capital because of ______.
A.
Iraq's deadly civil war
B.
Liberia's deadly civil war
C.
the international pressure
【简答题】激怒;恼怒;刺激物;恼人的事
【单选题】Washington has come to do something about the fighting which killed hundreds of civilians in Liberia's capital because of ______.
A.
Iraq's deadly civil war
B.
Liberia's deadly civil war
C.
the internationai pressure
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