lǎn duò
bǎo lěi
zhèn xīng
mǐn jié
____
zhǎng cháo
hén jì
róng qià
cōng yù
小明患急性阑尾炎住院,医院检查的化验单上偏高的项目是( )
Mary _________ really hard on his book and thinks he'll have finished it by Friday.
如图,在长方形ABCD中,边AB、BC的长(AB<BC)是方程x2﹣7x+12=0的两个根.点P从点A出发,以每秒1个单位的速度沿△ABC边 A→B→C→A的方向运动,运动时间为t(秒).