第7题: [单项选择]妊娠合并巨幼红细胞性贫血需要输血治疗时,下列何种血液制品最为合适()。 A. 全血 B. 洗涤红细胞 C. 悬浮红细胞 D. 辐照红细胞 E. 泳冻红细胞 参考答案:C 答案解析:妊娠合并巨幼红细胞性贫血的主要治疗措施是补充叶酸或维生素B12,当血红蛋白<60g/L时,应选用输注悬浮红细胞矫正贫血。
第12题: [单项选择]Understanding (the) culture of another country, especially (the one) containing as (many) different nationalities (as) China, is a difficult task. A. the B. the one C. many D. as 参考答案:B 答案解析:意为“要理解别国的文化,尤其是一个多民族国家(如中国)的文化是一件不容易的事”。one在这里代替的是another country,是泛指,而非特指,故不必加定冠词 the。
第20题: [单项选择]The employees worked hard because______. A. Mr White was kind to them B. Mr White had a company C. Mr White often had a joke with them D. they liked to use computers 参考答案:A 答案解析:[考点] 细节题
[解析] 从文章第一段第三、四句He was nice to his employees and often had a joke with them. They liked hi