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
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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
For public speakers, they should always make a lot of____to audience to see their responds—whether they are interested in the speech, whether they can understand, etc.()
A. facial expression
B. gestures
C. eye contact
D. posture