Are you than me?[ ]
A. short
B. shorter
C. shortest
答案：B
On________，one out of ten smokers may suffer from cancer.[ ]
A．normal
B．average
C．usual
D．common
关于2型糖尿病，恰当的说法是
A．应有“三多一少”的症状
B．尿糖阳性
C．空腹血糖应升高
D．胰岛素水平低于正常
E．糖耐量试验有助于可疑病例的诊断
