下列关于某些营养物质的化学性质描述错误的是28.The story says that .5. — I________ Is this your pencil sharpener?—Yes ,it is. Thanks.30.______are good friends.10.1 have a good friend.______ nam
医生建议小明多吃蔬菜,则小明需要补充的营养素主要是People who like dancing can come at____________.47.—I really hope to keep in touch with Lily.—Sorry.l don-t know _________ .3.维生素 #
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蛋白质