(多选题)27: 关于喝牛奶，下面那个描述是正确的？（ ） A: 含乳饮料不是纯牛奶 B: 煮生豆浆时不能加牛奶 C: 适量喝牛奶（每天2杯，共约500毫升）不至于引起脂肪摄入过量 D: 有人喝牛奶后会有腹胀等不舒服的感觉 E: 如果条件允许，儿童青少年应该养成每...

(多选题)21: 食物群一般都包括下列哪类食物？（ ） A: 谷类以及薯类 B: 动物性食物 C: 豆类以及坚果 D: 蔬菜、水果以及菌藻类 E: 纯能量食物，即动植物油等 ...

(单选题)15: 发生食物中毒后，下列哪一件事情最好不要做？（ ） A: 到医院就医 B: 保存剩余食物 C: 向当地卫生行政部门（卫生监督所、防疫站）报告 D: 与餐厅联系 ...

(单选题)9: 下列物质中属于水溶性维生素的是（ ）。 A: 维生素A B: 维生素D C: 维生素B1 D: 维生素E ...

(单选题)3: 瘦肉对非血红素铁吸收有促进作用，是因为瘦肉在分解时能产生氨基酸，同时发生肽链等结构变化；这些氨基酸和肽链帮助很大一部分（ ），从而显著促进了铁的吸收。 A: 三价铁转化为二价铁 B: 三价铁转化为有机的二价铁 C: 二价铁转化为有机的三价...

(单选题)47: ____, he felt tired out after the long journey for eight hours. A: Strong as he is B: The stronger he is C: Strong man that he is D: For he is strong ...

(单选题)41: Sarah had her washing machine repaired the day before yesterday___she? A: had B: did C: hadn't D: didn't ...

(单选题)35: One of the few things you ___ say about English people with certainty is that they talk a lot about the weather. A: need B: must C: should D: can ...

(单选题)29: From what you _____, you can understand why an object weighs less in water than in air. A: had learnt B: will learn C: have learnt D: can learn ...

(单选题)23: Women ___ drink more than two cups of coffee a day have a greater chance of having heart disease than those ___ don't. A: who;/ B: /;who C: who;who D: /;/ ...