Thank you for __________ me. I can't finish the work so early _________ your help.
A:help; with
B:helping; with
C:helping; without
D:help; without
— ________This way, please.
已知点P为线段AB上一点,射线PM⊥AB,用直尺和圆规在PM上找一点C,使得PC2=AP•PB.
对于集合M,N,定义:M-N={x|x∈M且x∉N},M⊕N=M-N∪N-M,设A={y|y=x2-3x,x∈R},B={x|y=log2(-x)},则A⊕B=( )
①班队准备到郊外的山地进行越野活动,需要设计越野路线
②美国发动伊拉克战争,给伊拉克人民带来巨大灾难,小强想找一找伊拉克的位置
③小明现取博物馆参观,博物馆离他家很远,他想看一看怎样乘车.
Draw it ____ ____ ____.