题目

— ______is the best football player in your city? —Jerry. A. Do you think who    B. Do you think whom C. Who do you think    D. Whom do you think   答案：C本题主要部分为who is the best football player in your city，插入语为do you think.  关于力的概念，下列说法中不正确的是 （ ）A. 物体的运动需要力来维持 B. 力可以改变物体的运动状态C. 力可以改变物体的形状 D. 力是物体与物体之间的相互作用