硬脂酸钙是（）
A.W/O型乳化剂
B.O/W型乳化剂
C.助悬剂
D.絮凝剂
E.抗氧剂
参考答案：A
诗句“春蚕到死丝方尽，蜡烛成灰泪始干”中“丝”和“泪”分别指
A．纤维素、油脂
B．蛋白质、烃类
C．淀粉、油脂
D．蛋白质、硬化油
—Shall we go to the restaurant opposite the supermarket for dinner?
—No, it's the _____ place I'd like to go to．
A．worst
B．best
C．last
D．first
