空腹血糖＞7.0mmol/L即可诊断糖尿病。
参考答案：错
解析：
空腹血糖＞7.0mmol/L，且有糖尿病症状时，方可诊断糖尿病。
She ought to stop _____ she has a headache because she _____ too long. [ ]
A. to work, was reading
B. to work, has read
C. working, has read
D. working, read
CT用X线管的突出特点是（）
A.与常规X线管结构相同
B.只有单一小焦点
C.额定功率较常规X线管大
D.不使用固定阳极X线管
E.使用固定阳极X线管
