正确答案: D

非离子表面活性剂

题目：我们说HLB值具有加和性，指的是（ ）。

解析：D

查看原题

举一反三的答案和解析：

[单选题]May I take this book out of the reading room? No,you . You read it in here. ( )

mustn’t

[单选题]One reason for her preference for city life is _______ she can have easy access to places like shops and restaurants.

that

解析：考察that引导同位语从句的用法。此处that不可以省略。

[单选题]容易水解的药物，如果制成注射剂最佳可以选择（ ）。

冻干粉针

[单选题]Whenever I met her, _________ was fairly often, she greeted me with a sweet smile.

which

[单选题]阅读下列短文，从每题所给的四个选项（A、

B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。

A