心绞痛发作时疼痛持续时间一般为
A.3~5分钟
B.15~20分钟
C.30分钟内
D.1小时内
E.2小时内
参考答案:A
解析:【解析】心绞痛发作时疼痛持续时问一般为3~5分钟。
牙齿震荡后的首选治疗方案是()
A.休息观察
B.调磨观察,服止痛药
C.调磨,结扎固定
D.行活力测试后行活髓切断术
E.行活力测试后行RCT
The Declaration of Independence, ______ the Constitution of the United States, was drawn up with the help of Benjamin Franklin.
A.and
B.also
C.as well as
D.so too