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【简答题】
靶向制剂亦称靶向给药系统(targeting drug delivery system,TDDS),是通过载体使药物选择性的浓集于病变部位的给药系统,病变部位常被形象的称为靶部位,它可以是靶组织、靶器官,也可以是靶细胞或细胞内的某靶点。靶向制剂不仅要求药物到达病变部位,而且要求具有一定浓度的药物在这些靶部位滞留一定的时间,以便发挥药效,成功的靶向制剂应具备定位、浓集、控释、无毒及可生物降解等要素。不属于靶向制剂的是A、纳米囊 B、微球 C、环糊精包合物 D、脂质体 E、抗体修饰的纳米粒 属于主动靶向制剂的是A、固体分散体 B、纳米乳剂 C、免疫纳米囊 D、微囊 E、pH敏感纳米粒 脂质体的特点不包括A、能选择性地分布于某些组织和器官 B、延长药效 C、与细胞膜结构相似 D、毒性大,使用受限制 E、可以提高药物生物利用度
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【单选题】Some big cities are launching parent academies programs to______.
A.
help the children succeed in school
B.
assist parents to be good teachers
C.
engage parents in their child's education
D.
raise parents' attention to their child's education
【单选题】We felt ______ impossible to finish the work without help.
A.
it
B.
that
C.
this
D.
them
【简答题】In Juli Finney‘s opinion, Parent Teacher Association‘s help is just an emergency move. 查看材料
【简答题】Who are more likely to use community services to help care for an elderly parent?28:Who are more likely to use community services to help care for an elderly parent?
【简答题】Ti ascolto volentieri purché tu breve. (essere)
【简答题】Laura. Schlessinger holds the______that a parent can use any means to help and protect their child when necessary.
【简答题】(ii) The UK value added tax (VAT) implications for Razor Ltd of selling tools to and purchasing tools from Cutlass Inc (2 marks)
【简答题】A.She is satisfied with the speed of the process. B.She is pleased with the man's purchase. C.She is uncertain about her change in plans. D.She is prepared to accept the situation.
【简答题】Everything is decided in a family______. [A] by the couple [B] with the help of their parents [C] by brothers and sisters [D] with the help of aunts and uncles
【单选题】采用高碱性气缸油,可以防止柴油机的:
A.
低温腐蚀
B.
高温腐蚀
C.
电化腐蚀
D.
水垢
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