果糖胺反映取血前血糖水平的时间是（）。
A.瞬时
B.1～2周
C.2～3周
D.3～4周
E.8～12周
参考答案：C
John passed the examination though he had only spent _______ on the subject as others had done.
A．as half time much
B．as half much time
C．half as time much
D．half as much time
对诊断典型肾结核最有意义的影像学检查是（）
A.腹部平片
B.肾图
C.静脉肾盂造影
D.B超
E.双肾CT
