正确答案: D

甘油

题目：指出硝酸甘油软膏处方：硝酸甘油2.Og，硬脂酸甘油酯10.5g，硬脂酸17.Og，凡士林13.Og，月桂醇硫酸钠1.5g，甘油10.0g中的保湿剂（ ）。

解析：D

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举一反三的答案和解析：

[单选题]2010年6月11日第19届世界杯足球赛将在南非约翰内斯堡拉开帷幕。若开幕式定于当地时间（东二区）20：00进行，此时上海地区可能是

繁星闪烁

[单选题]What do you mean, there are only ten tickets? There _________ be twelve.

should

[单选题]According to the passage, NASA will launch a satellite to _________.

keep track of solar activities

解析：

可从文章第六段直接得出答案。

[单选题]___________.

awkward

[单选题]It was from only a few supplies that she had bought in the village the hostess cooked such a nice dinner.

that

[单选题]Which of the following is TRUE according to the ad ?

The tourists will stay in Beijing for three nights before leaving for the UK

[单选题]花粉粒的壁分两层，即( )。

外壁和内壁