第8题
在常见的三种力中,第一种是万有引力,万有引力与重力的关系是___ Of the three common forces, the first is Universal Gravitation, and the relationship between Universal Gravitation and Gravity is___
A.重力是万有引力中特殊的一种力,重力属于万有引力; Gravity is a special force in the Universal Gravitation, Gravity belongs to the Universal Gravitation;###SXB###B.重力就是万有引力,万有引力就是重力; Gravity is Universal Gravitation, and Universal Gravitation is Gravity;###SXB###C.重力不是万有引力,重力与万有引力是两种力; Gravity is not Universal Gravitation, Gravity and Universal Gravitation are two kinds of forces;###SXB###D.以上都不对; None of the above is true;
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