1里面有（ ）个1%，有10个（ ）%。
100；10
I have bought two ball-point pens , ______writes well. [ ]
A. none of them
B. neither of them
C. neither of which
D. none of which
人体的热能来源于膳食中蛋白质、脂肪和碳水化合物，它们在体内的产热系数分别为（）
A.4kcal/g、9kcal/g、9kcal/g
B.4kcal/g、9kcal/g、4kcal/g
C.9kcal/g、4kcal/g、4kcal/g
D.4kcal/g、4kcal/g、4kcal/g
E.4kcal/g、4kcal/g、9kcal/g
