We pray that all nations be ______and that all people around the world live in peace.
A. reconciled
B. confined
C. involved
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He suggested a small but ______improvement on our former plan; I really appreciate it.
A. intense
B. distinct
C. subsequent
DNA双螺旋每旋转一周,沿螺旋长轴上升高度是
A. 5.4nm
B. 2.37nm
C. 10.5nm
D. 0.54nm
E. 3.4nm
左旋多巴抗帕金森病的作用机制是
A. 在中枢转变为多巴胺
B. 阻断中枢胆碱受体
C. 阻断中枢多巴胺受体
D. 直接激动中枢多巴胺受体
E. 促进中枢多巴胺释放
卡比多巴治疗帕金森病的机制是
A. 激动中枢多巴胺受体
B. 抑制外周多巴脱羧酶
C. 抑制多巴胺再摄取
D. 促进多巴胺释放
E. 抑制多巴胺释放
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