题目内容

非离子表面活性剂是( )。

A. 月桂醇硫酸钠
B. 脂肪酸甘油酯
C. 洁尔灭(苯扎氯铵)
D. 聚乙烯醇
E. 豆磷脂

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A. The previous year.
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非离子表面活性剂是( )。

A. 月桂醇硫酸钠 B. 脂肪酸甘油酯 C. 洁尔灭(苯扎氯铵) D. 聚乙烯醇 E. 豆磷脂

Questions 22 - 25 are based on the following dialogue. When did the woman see a play by Thornton Wilder

Questions 11 - 13 are based on the following dialogue. Why does the man talk with Sandra

Questions 14 - 17 are based on the following dialogue. What is Johnson going to do

Questions 18 - 21 are based on the following passage about Walkman. Who Started the idea of creating the machine "Walkman"

A. 月桂醇硫酸钠
B. 脂肪酸甘油酯
C. 洁尔灭(苯扎氯铵)
D. 聚乙烯醇
E. 豆磷脂