【单选题】【消耗次数：1】
He’s not Greek. He _______ from London.
①
comes
②
is coming
③
came
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Although he did not know London well, he made his way ______ to the airport.
①
easy enough
②
enough
③
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①
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【单选题】
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随机题目
【单选题】
男性，28岁，三月前去外地，近十天小便灼痛，近二、三天来小便疼痛难忍，小便时尿道口有较多黄绿色脓性分泌物，查出淋球菌，患者有青霉素过敏史。该患者宜选用：
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【单选题】
质反映中药物的ED50是指药物
①
引起最大效能50%的剂量
②
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③
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