[解析]
(1)C.推理判断题。根据后文句子In developed countries such as America and Australia we are fortunate in having a wide range of foods available and many children experience the pleasures of eating foods from diverse cultures.But not everything children eat contributes to their health.在美国和澳大利亚等发达国家,我们很幸运地拥有种类繁多的食物,许多儿童体验到了吃不同文化食物的乐趣。但并非所有儿童吃的东西都有助于他们的健康。可以推断前文应该是有关儿童饮食与健康的话题,所以C选项:儿童的饮食对他们的健康、成长和发展至关重要。符合语境,故选C。
(2)A.细节理解题。根据后文The foods in these groups are sometimes known as "everyday foods".这些群体中的食物有时被称为"日常食物"。可见是提供给孩子的基本的营养素,所以A选项:基本食物组提供健康和日常活动所需的营养素。符合逻辑关系,故选A。
(3)F.细节理解题。根据后文They are often processed and packaged and are not essential for good health.它们通常经过加工和包装,对健康不是必不可少的。可见经过加工的食物含有一些加工成分,与F选项:它们通常含有高水平的脂肪、糖和盐。相符合,故选F。
(4)D.推理判断题。根据前文Eating these foods can reduce a child's appetite for everyday foods and effect children's healthy development.吃这些食物会降低孩子对日常食物的食欲,影响孩子的健康发展。F选项:这些不健康的食物也会对儿童的气质和行为产生负面影响。可见是对于前一句不健康食物不良影响的进一步解释,故选D。
(5)G.推理判断题。根据后文And water should be available to them at all times throughout the day.Water intake supports digestion and absorption of nutrients and keeps children hydrated.一天中任何时候都应该有水供应给他们。水的摄入有助于消化和吸收营养物质,并使儿童保持水分。前文一定是写饮用水对儿童的好处。所以G选项:饮用水对儿童健康至关重要。符合语境,故选G。