一患者处于急性根尖周炎黏膜下脓肿期，此时最有效的治疗措施为（）
A. 给予消炎止痛药物
B. 髓腔开放引流
C. 切开排脓
D. 调
E. 根管内上药物
查看答案
能量所需占总能量的
A. 40%
B. 50%
C. 60%
D. 65%
E. 30%
地高辛的半衰期为40.8小时，在体内每天消除剩余量
A. 0.3588
B. 0.4076
C. 0.6652
D. 0.2941
E. 0.8767
根据《UCP500 》》，信用证未清楚地表明“可撤销”或“不可撤销”，应视为：“不可撤销信用证 ()
A. 正确
B. 错误
The owner of the business invests $5 000 in the business. What are the effects on the fundamental accounting equation？ Assets increased $5 000;______.
A. liabilities increased $5 000; owner's equity, no effect
B. liabilities decreased $5 000; owner's equity increased $5 000
C. liabilities, no effect; owner's equity increased $5 000
D. liabilities, no effect; owner's equity decreased $5 000
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