问题
选择题
— I' m surprised to hear that Sue and Paul have _____.
— So am I. They seemed very happy together when I last saw them. [ ]
A. broken up
B. finished up
C. divided up
D. closed up
答案
答案:A
— I' m surprised to hear that Sue and Paul have _____.
— So am I. They seemed very happy together when I last saw them. [ ]
A. broken up
B. finished up
C. divided up
D. closed up
答案:A
某种营养素补充剂的标签如下:
【主要原料】碳酸钙、维生素D、大豆油、明胶… 【功效成分及含量】每100g含:钙20.3g,维生素D0.28mg 【注意事项】本品不能代替药品,不宜超过推荐量或与同类营养补充剂同时食用 |
A.元素 B.原子 C.分子 D.离子
(2)该营养素具有补钙功能,同时还能补充人体所需的营养成分:______(写出一种即可)
(3)淀粉是人们食用的最主要的糖类,由于淀粉能与碘作用呈______色.因此常用碘水(或碘酒)来检验食物中是否含有淀粉.
(4)蛋白质是人体所需的重要营养成分之一,是构成细胞的基础物质,人如果食用甲醛溶液浸泡过的鱼会危害身体健康,其原因是______.