肝性脑病前驱期的主要表现是
A
暂无解析
过(0,1)点作曲线L:y=lnx的切线,切点为A,又L与x轴交于B点,区域D由L与直线AB围成,求区域D的面积及D绕x轴旋转一周所得旋转体的体积.
曲线y=|x|与直线y=2所围成的平面图形的面积为()
Ihavebeenstudyinghereforfouryears,bynextsummerI________.
TheTVstation,in________tomassivepopulardemand,decidedtocontinuethesoapopera(肥皂剧).
About20ofthepassengerswhowereinjuredinaplanecrasharesaidtobein_____condition.