下列参数中不属于色谱图参数的是（）。
A.tR
B.W
C.A
D.R
参考答案：D
Look at _____ people. _____ they are having _____ football! [ ]
A. the; What a great time; playing
B. /; What great time; playing
C. the; How great time; to play
D. a; How wonderful time; to play
单糖浆的浓度为（）
A.64.7%（g/ml）
B.64.7%（ml/ml）
C.85%（g/g）
D.85%（g/ml）
