【单选题】A Foreign Trade Talk A company in America wants to import some toys and dolls from China. Mr. Baker, the representative of the American side, was sent to Shanghai to hold a business talk. Mr. Li from ...
A.
Because he has to ask his boss for instructions.
B.
Because he needs to wait for his boss’s arrival.
C.
Because he needs to get permission from his wife.
D.
Because he has to send telegrams to his customers.
【简答题】下列氧化剂:1.KClO3、2.Br2、3.FeCl3、4.KMnO4、5.H2O2,当其溶液中H+浓度增大时, 氧化能力增强的是。(直接写序号,中间不空格也不加标点符号)
【简答题】下列氧化剂:1.KClO3、2.Br2、3.FeCl3、4.KMnO4、5.H2O2,当其溶液中H+浓度增大时, 氧化能力增强的是。(答案只写序号,中间不空格也不加标点符号)
【简答题】练习与思考 4.2.6、4.3.5、4.5.1、4.5.4 基本题 4.4.14、4.4.15、4.5.4、4.5.6、4.5.7、4.5.9、4.5.10、4.7.7