病历摘要：处方：水杨酸50g硬脂酸甘油酯70g硬脂酸100g白凡士林120g液状石蜡100g甘油120g十二烷基硫酸钠10g羟苯乙酯1g蒸馏水480ml
下列有关叙述，哪些是正确的（）
A.该软膏属于油包水（W/O）型乳剂，羟苯乙酯是乳化剂
B.该处方中水相是硬脂酸、甘油、十二烷基硫酸钠、蒸馏水
C.该软膏属于水包油（O/W）型乳剂，十二烷基硫酸钠是乳化剂
D.该处方中羟苯乙酯是防腐剂，甘油是保湿剂
E.该软膏属于混悬型软膏剂
F.O/W型基质制成的软膏，基质含水量较高，对皮肤有缓和的冷爽感，有"冷霜"之称
参考答案：C, D
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| There was a woman in Detroit, who had two sons. She was worried about them, especially the younger one, Ben, because he was not doing well in school. Boys in his class played jokes on him because he seemed so 1 .The mother 2 that she would help her sons to do 3 in school by herself. She told him to go to the Detroit Public Library to 4 a book a week and do a book report for her. One day, in Ben's class, the teacher held up a rock (石头) and asked 5 anyone knew it. Ben put up his hand and the teacher let him 6 . "Why did Ben put up his hand?" all of his classmates whispered (耳语). "He 7 said anything. What could he possibly want to say?" However, Ben not only 8 the rock, but also said a lot about it. The teacher and the other students were 9 . Ben had learned this from doing one of his book reports. Later Ben became the top student of his class. When he finished high school, he went to Yale University and 10 became one of the best doctors in the United States.
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