根据以下选项回答题,A.胃肠道反应B.过敏反应C.血液系统反应D.肝功能受损E.中枢神经系统反应使用β-内酰胺类抗生素时

根据以下选项回答题,A.胃肠道反应B.过敏反应C.血液系统反应D.肝功能受损E.中枢神经系统反应使用β-内酰胺类抗生素时出现谷丙转氨酶和谷草转氨酶

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四环素类药物和无机盐类抗酸药合用抗菌效果减弱

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Many people went shopping yesterday. There were many people_

Many people went shopping yesterday. There were many people_________ yesterday.

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Expensive clothes are always better made.

Expensive clothes are always better made. A.;Right. B.Wrong. C.Doesn’t Say.

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