第16题: [单项选择]They are said______each other long time before they met in Harvard University where they worked together on a research project. A. to know B. to have known C. knowing D. having known 参考答案:B 答案解析:to have known不定式完成式表示过去已经发生的情况。
第19题: [单项选择]下列用药不会出现首过效应的是() A. 哌替啶 B. 毒毛花苷K C. 氢氯噻嗪 D. 利多卡因 E. 硝酸甘油(舌下给药) 参考答案:E 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
第30题: [单项选择]As technological advances put more and more time between early school life and the young person's final access to specialized work, the stage of ______ becomes an even more marked and conscious period. A. adolescence B. adjacency C. advantage D. adventure 参考答案:A 答案解析:[分析] 形近识别。
adolescence青春期;adjacency邻近,毗邻;advantage优势;adventure冒险。
第33题: [单项选择]猪苓、茯苓为 A. 体轻,质松,易折断,断面粉质,显疏松层纹 B. 质松而韧,横断面可见外层为海绵状物,内层为许多小室,室内有卵 C. 质硬而脆,断面平坦,外层白色,中间有亮棕色或亮黑色的丝线环4个 D. 体轻,中空,易碎,表面黄棕色半透明 E. 体轻,骨质坚硬,“马头,蛇尾,瓦楞身” 参考答案:C