统一资产、统一经营、集中管理、分散销售是( )的特点
A
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Allherhardwork__________intheend,andshefinallypassedtheexam.
若则
(1)求f(x)
(2)
已知函数11sinxfxxx,记0limxafx,(I)求a的值 (II)若x0时,fxa与kx是同阶无穷小,求常数k的值.
Thosewho’dliketovisittheexhibition________(sign)yournameshere.
GeneralMotors,oneoftheworld'slargestautomanufacturers,isexpandingits________inthiscountry.