下列情况中与真菌的作用无关的是[ ]
A.制作馒头和面
B.酿造酱油和红酒
C.保障生物圈中二氧化碳的循环
D.制造酸奶和泡菜
答案:D
I said it ________ as a joke.Don't take it too seriously. [ ]
A. particularly
B. possibly
C. merely
D. gently
属于多糖的物质是()。
A.木糖
B.糊精
C.果糖
D.蔗糖
E.核糖