标定EDTA滴定液的基准物质为( )。
A.氯化钠B.氧化锌C.无水碳酸钠D.邻苯二甲酸氢钾
参考答案:B
解析:[知识点] EDTA滴定液的标定
Dear Kate,
You are in New York, but I am in Beijing now. China is a great country(国家) and Beijing is a big city in China. It’s very beautiful. I like it very much. There are twenty-four girls and nineteen boys in our class. One of the boys is from England. His name is Bob. He likes swimming. Sue and I come from America.
Sue likes playing the piano, but I like playing volleyball. I have many Chinese friends here now. They teach me Chinese and I teach them English. Chinese is not easy, but I like it.
Yours
Nick
小题1:The e-mail is from______________ to_____________.
A.Kate; Nick
B.Bob; Nick
C.Nick; Kate
D.Sue; Bob小题2:There are _______________ students in Nick’s class.
A.twenty-four
B.nineteen
C.thirty-three
D.forty-three小题3:_______________comes from England.
A.Kate
B.Bob
C.Sue
D.Nick小题4:______________ likes playing the piano.
A.Nick
B.Sue
C. Kate
D.Bob小题5:What does Nick think of Chinese?
A.It is hard but he likes it.
B.It is interesting.
C.It is easy.
D.It is useful.
反映项目投资及其资金来源和运用情况,且是预测项目投产后资金流动状况的报表是( )。
A.固定资产投资估算表
B.流动资金估算表
C.投资使用计划与资金筹措表
D.固定资产投资借款还本付息表