急性苯中毒主要损害()
A．呼吸系统
B．神经系统
C．造血系统
D．消化系统
E．心血管系统
参考答案：B
Could you tell us ?
About two weeks.
A how long are we going to be away
B. how often we are going to be away
C. how long we are going to be away
D. how much we are going to be away
下列对罗斯福新政的评价，不正确的是[ ]
A．使美国经济开始恢复
B．从根本上消除了经济危机
C．使美国社会趋于稳定
D．使人民生活得以改善
