在空间直角坐标系O－xyz中，平面OAB的法向量为＝(2,–2,1),已知P(－1,3,2)，则P到平面OAB的距离等于（ ）
Bad luck!I lost _______new pen yesterday．
Don't worry．I'll lend _____to you．（ ）
A．my；meB．mine；myC．mine；mineD．my；mine
Peter didn't tell his parents that he was going home because he wanted to give them a_______．（ ）
A．noteB．surpriseC．callD．gift
______pity！I missed ___one﹣hour speech by President Xi Jinping yesterday．（ ）
A．What；anB．How；anC．What a；theD．How；the
Shall we go to visit our teachers after this exam？
______．（ ）
A．Sounds greatB．You're welcome
C．It serves you rightD．Never mind
Hello！May I speak to Mary，please？
（ ）
A．I don't think so
B．I am Mary
C．Hurry up，please
D．This is Mary speaking
＝(2,–2,1),已知P(－1,3,2)，则P到平面OAB的距离等于（ ）
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