最有意义且快速的检查方法是
A．血常规、血细胞比容
B．腹部B型超声检查
C．腹部平片
D．尿常规
E．腹腔穿刺
参考答案：E
如果美国东海岸有一艘油轮泄油，下列渔场中可能受污染的是：[ ]
A．舟山渔场
B．北海道渔场
C．秘鲁渔场
D．北海渔场
We need to do this work with money and people than before.
A．little, few
B．fewer, less
C．less, fewer
D．more, few
