“Aspen” in “To Luisa in the Lane” is a()
A. kind of tree depicting in the poem
B. description of the heroine’s figure
C. description of the poet’s figure
D. metaphor depicting the poet’s feeling
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In order to make sure he would be able to attend the meeting, I called him up two weeks____()
A. in advance
B. on impulse
C. in front
D. on purpose
免疫防御功能低下的机体易发生()
A
B. 肿瘤
C. B.超敏反应
D. C.免疫缺陷病
E. D.自身免疫病
以下叙述正确的是()
A. 制剂是指根据药典或药政管理部门批准的标准、为适应治疗或预防的需要而制备的不同给药形式B:药物制剂是根据药典或药政管理部门批准的标准、为适应治疗或预防的需要而制备的不同给药形式的具体品种
B. C.同一种制剂可以有不同的药物
C. D.制剂是药剂学所研究的对象
D. E.红霉素片、扑热息痛片、红霉素粉针剂等均是药物制剂
对于气膜控制的吸收过程,如要提高其过程速率,应特别注意减少_阻力()
A. 气膜
B. 液膜