【单选题】--- What do you think of the service of this hotel? --- Excellent! They do their best to ______ the guests’ needs.
【简答题】食物中含有人体所需要的六大类营养物质是_________、_________、_________、_________、_________和_________。
【简答题】What are Chinese silk garments famous for? For their ______ and excellent craftsmanship.
【简答题】食物中含有糖类、脂肪、蛋白质、水、有机物和维生素等六大类营养物质.______.