问题
单项选择题
皂化值的计算与()无关。
A.消耗氢氧化钠的体积
B.被测定物质的量
C.消耗氢氧化钾的浓度
D.消耗氢氧化钾的体积
答案
参考答案:D
皂化值的计算与()无关。
A.消耗氢氧化钠的体积
B.被测定物质的量
C.消耗氢氧化钾的浓度
D.消耗氢氧化钾的体积
参考答案:D
补全对话(5分) A: Excuse me, may I ask you some questions? B: Yes, of course. A: 小题1: . B: Every day. A: 小题2: . B: Because the doctor says it’s good for my health. A: Do you like junk food? B: 小题3: .But I try to eat it only once a month. A: Why? B: 小题4: . A: How many hours do you sleep every night? B: 小题5: . A: Oh, I think you must be in good health .
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