衡量打印机的主要技术指标是分辩率和___。
参考答案：打印速度
Jack had ______feeling of excitement when hearing his article had been published in _____ school
magazine. [ ]
A.the;a
B.a;the
C./;the
D.the;/
果糖胺的测定可反映多长时间内糖尿病患者血糖的总水平（）。
A.7～14天
B.15～21天
C.22～28天
D.29～35天
E.36～42天
