第7题: [单项选择]______ her death in 1886, the poet had become a legend in her hometown. A. It was before B. Before long C. When long before D. Long before 参考答案:D 答案解析:before long意为“不久以后”:long before意为“早在……之前”引导时间状语从句。
第15题: [单项选择]下列给药方式首关消除最显著的是() A. po. B. iv. C. ip. D. ih E. ig. 参考答案:A 答案解析:首关效应(首关消除)指口服药物在胃肠道吸收后,首先进入肝门静脉系统,某些药物在通过肠黏膜及肝时,部分可被代谢灭活而使进入体循环的药量减少,药效降低。除口服外,有些药物还可经舌下给药或直肠给药,分别通过