最有意义的快速检查方法是
A．血常规
B．腹部B超
C．腹部平片
D．尿常规
E．腹腔穿刺
参考答案：E
我国的台湾是以( )身份加入世贸组织的。
A．单独关税
B．民间组织
C．我国的一个行政省
D．主权国家
My cousin is _____________ sometimes. It’s hard for him to change his mind even though his idea is not right.
A．stubborn
B．imaginative
C．energetic
D．practical
