在经济分析中,通常用边际报酬递增规律分析短期的产量变动,用规模报酬规律分析长期的产量变动。()
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Why is ezRemote Manager "enterprise-ready"？
A. Because it is designed by the users.
Because it was tested by an enterprise.
C. Because it uses technology that has already been deployed at many enterprises.
D. Because it can be modified to suit the needs of different enterprises.
男，31岁，左前胸被人用刀刺伤，烦躁不安，面色苍白，继而反应淡漠，脉搏细弱，血压测不到。左前胸第4肋间胸骨旁有2cm长伤口不断流血，诊断为
The population which is top-heavy with older people poses a problem to ______.
A. the government
B. the economy
C. the workforce
D. ail of the above
一切信用证必须规定一个到期日和一个交单付款、承兑的地点。()
A. 正确
B. 错误
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