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【单选题】
Monosaccharides such as glucose can be oxidized by relatively mild oxidizing agents such as cupric ( Cu 2+ ) ion. This is the basis of Fehling’s reaction, a semiquantitative test for the presence of reducing sugar that for many years was used to detect and measure elevated glucose levels in people with ______________.A.
diabetes mellitus
B.
stroke
C.
cancer
D.
Alzheimer’s disease
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举一反三
【单选题】— Do you like old clothes? — . [ ]
A.
Yes, I don't
B.
No, I'm not
C.
No, I don't
D.
No, I like