能反映患者取血前8—12周血糖水平的检查是
A．尿糖
B．随机血糖
C．口服葡萄糖耐量试验
D．糖化血红蛋白
E．餐后2小时血糖
参考答案：D
The Great Wall is one of the greatest wonders in the world, ______ people visited it every year.[ ]
A. the number of
B. a number of
C. all the number of
生物医用复合材料及特点？
