Why does the picture abroad become a complex one according to the author?
A.Because each country is different
B.Because foreign countries' laws, people and business practices are different from those of one's own country, and if businessmen from home do not know them, they will meet a lot of trouble
C.Because businessmen from home do not understand foreign countries' people, laws and business practices
D.Because people in foreign countries do not understand the picture due to different culture background
第3题
下列不属于经皮吸收促进剂的是()
A.硬脂酸
B.乙醇
C.丙二醇
D.Azone
E.月桂硫酸钠
第4题
下列物质中,不能作为经皮吸收促进剂的是
A.乙醇
B.山梨酸
C.表面活性剂
D.DMSOD山梨酸
E.AzonEs
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