功能饮料可调节人体生理机能、补充营养素，按酸碱性可分为酸性与碱性两类。
(1)甲基橙是一种酸碱指示剂，下表为甲基橙在不同pH时的变色情况：
某无色饮料滴入甲基橙后变为橙色，则该饮料是________功能饮料(填序号)。
A.酸性 B.碱性 C.无法确定
(2)欲进一步测定上述饮料的酸碱度，可使用_____________；
(3)某饮料含有下列元素，其中不属于人体必需微量元素的是_________(填序号)。
A.Fe B.Ca C.Zn D.Cu
(1)A
(2)pH试纸(或pH计)
(3)B
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| Who taught you to walk when you were little? Who worries the most when you are 1 ? Who makes you dinner? It's your 2 . No matter what happens, she'll 3 the love for you. Do you know how did 4 Day come into being (产生)? It began in the US in 1907 when an 5 girl named Anna Jarvis started a campaign to honor (给......以荣誉) mothers. She believed that mothers could 6 people to get over the 7 of the War and to strengthen (加长) the relationship inside families. On Mother's day, children usually help their mothers do 8 . In western countries, bringing mothers 9 in bed is common. A mother will get up late while her children make her favorite breakfast. Children also make their own Mother's Day card 10 a thank-you note. Or they buy gifts and flowers for their mothers. | |||
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