一种食用凉拌蔬菜由①蔬菜②少量白糖③番茄汁④橄榄油⑤食盐⑥食醋等调配而成。此菜肴中不含有的营养素是 [ ]
A.蛋白质
B.糖类
C.油脂
D.维生素C
答案:A
The workers are _______ because their boss hasn't paid them for months. [ ]
A. angry
B. happy
C. satisfied
不属于胶剂的是
A.新阿胶B.阿胶C.龟甲胶D.鹿角胶E.阿拉伯胶