问题
单项选择题
对油脂性基质说法正确的是
A．凡士林经漂白后可用于眼膏剂基质
B．液体石蜡具有表面活性及一定的吸水性能
C．凡士林基质常用于制备乳膏剂
D．羊毛脂主要成分是胆固醇的棕榈酸酯及游离的胆固醇类
E．油脂性基质是指烃类一类物质
答案
参考答案：D
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对油脂性基质说法正确的是
A．凡士林经漂白后可用于眼膏剂基质
B．液体石蜡具有表面活性及一定的吸水性能
C．凡士林基质常用于制备乳膏剂
D．羊毛脂主要成分是胆固醇的棕榈酸酯及游离的胆固醇类
E．油脂性基质是指烃类一类物质
参考答案：D
Elizabeth lived on the other side of a valley. One winter there was a very big flood, and a lot of houses down below Elizabeth’s were washed away. Elizabeth’s house was 21 enough to escape the flood, so when the water 22 and the other houses were standing there with no 23 and no walls and all covered with 24 ,her house was still quite all right. Her house was quite small, her husband was 25 and she had six children to support. Ten dollars a week, which was the total of their income, didn’t leave much for 26 . Expenses were always greater than Elizabeth had 27 , but she didn’t hesitate to help one of the families that lost everything i  n the flood and she 28 her house with them until it was 29 for them to move into their own houses.Elizabeth’s friend was very 30 when she saw Elizabeth do this. She couldn’t understand why Elizabeth wanted to give 31 so much work and trouble to help others. “Well,” Elizabeth 32 to her friend, “at the end of the First World War, a woman in the town where I then lived found herself 33 , because her husband had been killed in the war in Germany and she had a lot of 34 , as I have now.” “The day before Christmas, this woman said to her children, ‘We won’t be able to have 35 presents for all of us. I’ll go and get it.’ She came back with a little girl who was in 36 clothes and crying in deep sorrow. The girl was an orphan(孤儿). ‘Here’s our 37 . She said to the children. “The children were very 38 to have such a present. They 39 the little girl, and she grew up as their sister. I was that 40 present.”
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