产能营养素是指（）。
A.维生素、脂肪和蛋白质
B.碳水化合物、脂肪和水
C.碳水化合物、脂肪和蛋白质
D.碳水化合物、水和蛋白质
参考答案：C
His name is Tony Herry Williams. His _____ name is Williams. [ ]
A. first
B. last
C. family
D. fist
I want to know __________. [ ]
A. where does our teacher come from
B. where our teacher come from
C. where our teacher comes from
D. where does our teacher come
