党的执政能力建设的核心是（）。
A、依宪执政
B、合法行政
C、合理行政
D、执法必严
参考答案：A
It wasn’t _____the anti-Japanese war was over _______ his parents had died two years before
A．until; did he know
B．until; that he knew
C．unless; that he knew
D．until; when he knew
女，59岁，毒性弥漫性甲状腺肿7年，疏于治疗，近因心率失常被诊为甲亢性心脏病，其出现可能性最多的心率失常是
A．室性期前收缩B．房室交界性期前收缩C．心房扑动D．心房颤动E．室上性心动过速
