符合胃十二指肠溃疡出血临床特点的是
A．腹部压疼最显著的部位B．板状腹C．右下腹柔软无压疼D．腹胀肠鸣音消失E．腹式呼吸消失
参考答案：A
.It is said that the early European playing-cards ______for entertainment and education.
A．were being designed
B．have designed
C．have been designed
D．were designed
某城市的某区域吸引该城市25%的消费需要，该区域为该城市的第( )层次的商圈。
A．一
B．二
C．二
D．四
