第16题: [单项选择]下列关于慢性中度苯中毒的诊断指标中,错误的是() A. 长期苯接触史 B. 白细胞数在4.0~4.5×109/L,血小板低于8.0×109/L C. 白细胞低于3.0×109/L D. 白细胞数低于4.0×109/L,血小板低于60×109/L E. 有明显出血倾向,齿龈、皮肤、黏膜下出血 参考答案:B
第22题: [单项选择]The new CEO asked that all inter-office communications ________ in writing rather than in person , _________ possible.
A. have been made; whoever B. would be made; whichever C. be made ; whenever D. stage bare of scenery 参考答案:C