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【单选题】
下列关于凝胶剂的叙述错误的是()。A.
凝胶剂是指药物与适宜的辅料制成的均一、混悬或乳状液型的稠厚液体或半固体制剂
B.
凝胶剂有单相分散系统和双相分散系统
C.
氢氧化铝凝胶具有触变性，为单相分散系统
D.
卡波沫在水中分散形成浑浊的酸性溶液，必须加入碱中和，才能形成凝胶
E.
水性凝胶基质有卡波沫、MC、CMC-Na
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举一反三
【简答题】根据中文意思，完成句子。 1. 吃饭之前我们必须洗手。 We _______ our hands before _______ meals. 2. 那时任何事情都可能发生在她身上。 Anything could ________ her ________. 3. 我们都喜欢英语老师因为她极富幽默感。 We all like English teacher because she has _____...
【单选题】Very few people understood his lecture, the subject of which was very ______.
A.
obscure
B.
upsetting
C.
distant
D.
inferior
【简答题】句子翻译 1.看！房子着火了。 Look! The house is _____ _____. 2.他们非常害怕，,四处奔跑。 They were frightened and ran _____ _____ _____. 3.最后，你可以在这条路的尽头发现邮局。 _____ _____ _____ ,you can find the post office _____ _____ _____ _...
【单选题】Very few people could understand his lecture because the subject was very ______.
A.
faint
B.
indefinite
C.
obscure
D.
gloomy
【单选题】Very few people could understand his lecture because the subject was very __________.
A.
faint
B.
obscure
C.
gloomy
D.
indefinite
【简答题】房子着火了。 The house is ______ ________.
【简答题】最容易发生变异的病毒是
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