According to the passage, what is true about all human being?
A.They are more solitary than others.
B.They all belong to clubs.
C.They are all members of groups.
D.They separate themselves from the rest of world.
第4题
A. 肾上腺素能β—受体兴奋剂
B. B.胆碱能M—受体阻滞剂
C. C.肾上腺素能α—受体阻滞剂
D. D.磷酸二酯酶抑制剂
E. E.过敏介质阻滞剂
第6题
支气管哮喘患者禁用哪类药物?()
A.β1-肾上腺素能受体兴奋剂
B.β2-肾上腺素能受体兴奋剂
C.α-肾上腺素能受体阻滞剂
D.β-肾上腺素能受体阻滞剂
E.α-肾上腺素能受体兴奋剂
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