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【判断题】
企业和个人超过规定比例提取并缴付的住房公积金免征个人所得税。A.
正确
B.
错误
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举一反三
【单选题】An object of mass m sits on a flat table. The Earth pulls on this object with force mg, which we will call the action force. What is the reaction force?
A.
The table pushing up on the object with force mg.
B.
The object pushing down on the table with force mg.
C.
The table pushing down on the floor with force mg.
D.
The object pulling upward on the Earth with force mg.
E.
The table pulling upward on the Earth with force mg.
【单选题】这段代码用于求解本对象对传入参数m的引力，请问哪行代码有问题？PVectorattract(Moverm){PVectorforce=PVector.sub(m.location,this.location);floatd=force.mag();d=constrain(d,5.0,25.0);force.normalize();floatstrength=(G*mass*m.mass)/(d*d...
A.
PVector force = PVector.sub(m.location, this.location );
B.
d = constrain(d,5.0,25.0);
C.
float strength = (G * mass * m.mass) / (d * d);
D.
force.normalize();
【简答题】炭疽病人宜采取_________；病原治疗首选_________。
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