哪一项最好地描述了人事经理的作用？（）
A.为制定人力资源战略做好准备
B.制定和实现生产目标
C.确定组织结构
D.保护员工权利
参考答案：A
You can't imagine _______ when they received these nice Christmas presents. [ ]
A. how they were excited
B. how excited they were
C. how excited were they
D. they were how exited
男性，42岁。右下肢疼痛、肿胀3周，诊断股深静脉血栓性静脉炎，抗凝治疗效果不显著。3d前起气急，呈进行性加重，咳嗽伴血痰，右侧胸痛，X线和超声检查确认右侧胸腔积液（）。
A.血性胸水
B.乳糜胸水
C.渗出性胸水
D.漏出性胸水
E.浆液血性胸水
