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【单选题】
男,36岁。半年来感头颈部强烈搏动感,动作稍微快速时即有眩晕发作,心脏病理性杂音,脉压增大,拟诊为主动脉瓣关闭不全。如欲明确诊断,下列哪项病史最重要A.
高血压史
B.
家族史
C.
外伤史
D.
癫痫发作史
E.
风湿活动史
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皮皮学刷刷变学霸
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【简答题】以实际情况对目标的限制可以把班级管理目标分为( )。A. 主要目标和次要目标 B. 长期目标和短期目标 C.必达目标和争取目标 C. 任务目标和班级建设目标
【单选题】Refer to Figure 12.7. The numerical data show daily profits for each of the two firms when they choose a specific pricing strategy. If both firms follow their individual dominant strategy:
A.
Omega will earn $300 daily profit and Zeta will earn $100 daily profit.
B.
Omega will earn $100 daily profit and Zeta will earn $300 daily profit.
C.
Both will earn $200 daily profit.
D.
Both will earn $150 daily profit.
【单选题】Refer to Figure 12.7 The numerical data show daily profits for each of the two firms when they choose a specific pricing strategy.In the Nash equilibrium:
A.
both firms would a high price.
B.
both firms would charge a low price.
C.
only Zeta would charge a low price.
D.
only Omega would charge a low price.
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