【判断题】某企业固定资产账户期初余额为10万元,本期增加了5万元,减少了3万元,则本期期末余额为12万元。A. 对 B. 错
【简答题】设函数 均可导,且同为 的原函数,且有 ,则
【单选题】设y=f(u),u=ψ(x)均可导,则dy=( )
【简答题】Jamie was born in a small village in the north of England. He is nine years old. He likes playing basketball very much. When he is free, he always plays basketball with his friends in the open air. So...
【简答题】.It was nine years
ago ( ) Sir
Alfred returned America.A. that B. when that C. when D. since
【单选题】设函数 在 上均可导,且 ,则当 时,有( ).
【判断题】在实际油藏中,当流体通沿着垂直于层面方向流动时,则需要应用等效渗流阻力原理进行储层参数的平均化处理。
【判断题】某企业固定资产账户期初余额为10万元,本期增加了5万元,减少了3万元,则本期期末余额为12万元。( )
【判断题】某企业固定资产账户期初余额为10万元,本期增加了5万元,减少了3万元,则本期期末余额为12万元。( )
【单选题】某女,42岁,3个月前因葡萄胎行清宫术,随访HCG持续阳性。目前最可能的诊断是