[单项选择]最常见的贫血是 A. 溶血性贫血 B. 缺铁性贫血 C. 感染性贫血 D. 再生障碍性贫血 E. 营养性巨幼红细胞性贫血
参考答案:B
热门试题:
第1题: [单项选择]There is a man at the reception desk who seems very angry and I think he means ______ trouble. A. making B. to make C. to have made D. having made 参考答案:B 答案解析:前台有一个人好像很生气，我觉得他要闹事。此题考点是mean to do sth．和mean doing sth．在意思上的区别。mean to do“打算做……”，mean doing“意味着”，按句
第16题: [单项选择]An application software is any program (68) to perform a specific function directly for the user or, in some cases, for another application program. A. design B. designing C. designed D. praticed 参考答案:C 答案解析:[分析] 应用软件是直接为用户设计的具有专门功能的软件，或在某些情况下，为另一种应用程序设计的软件。
第20题: [单项选择]Your proposal deserves ______ and is worth ______. A. to be discussed, to be tried B. discussing, trying C. to be discussed, trying D. discussing, to be trying 参考答案:B 答案解析:题意为：你的建议值得讨论并且有实践的价值。
此题考查固定搭配。从逻辑上讲proposal虽然是要被讨论的，但是如果动词用的是deserve就不用被动语态。动词或者词组后面搭配动名词而不用被动语
第29题: [单项选择]"亚硝酸钠-硫代硫酸钠"疗法：立即将亚硝酸异戊酯1～2支包在手帕或纱布内弄碎，给病人吸入15～30秒，每隔3分钟重复1次。接着静脉缓慢注射3％亚硝酸钠10～15ml，随即用同一针头缓慢静脉注射硫代硫酸钠20～50ml使用亚硝酸异戊酯和亚硝酸钠是为了在体内快速形成（）。 A. 血红蛋白 B. 高铁血红蛋白 C. 亚铁血红蛋白 D. 氧合血红蛋白 E. 碳氧血红蛋白 参考答案:B
第31题: [单项选择]I hadn't seen him for years, but I ______his voice on the telephone. A. realized B. discovered C. recognized D. heard 参考答案:C 答案解析:词义辨析。谓语后的宾语是voice，从词义来说，C和D都可以。再根据句意可以判断C为正确答案。如：She speaks to him；he recognizes her voice and gathe
