题目

阅读下面短文，根据短文内容，从短文中的选项中选出能填入文中空白处的最佳选项。（提示：每个选项只用一次，选项中有选项为多余选项。）When I was growing up, I never heard the words I love you from my father. If your father never says them to you when you are a child, it gets more and more difficult for him to say those words as you get older. A few years ago, I decided to make the first move. After some thought, I called my father on the phone and said, Dad, I love you!Well, me too! he replied calmly.Dad, I know you love me. I said wit在水平地面上有一长方体木箱，小林用水平推力F把木箱向前推动，如图甲所示，此过程中，推力F随时间t的变化情况如图乙所示，木块前进的速度V的大小随时间t的变化情况如图丙所示，则下列说法中错误的是 （ ）A. 0～1秒内，木箱静止不动，受到的摩擦力大小为100N，推力不对箱子做功；B. 1～3秒内，木箱加速运动，受到的摩擦力大小为200N，推力对箱子做了功；C. 3～5秒内，木箱匀速运动，受到的摩擦力大小为200N，推力做了400J的功；D. 5～6秒内，木箱减速运动，受到的摩擦力越来越大，推力不对箱子做功；