Some false advertisements are taking the countryside women as their targets, because they are easy to________．
A：take in
B：take on
C：take over
D：take up
在水平地面上，用50N的力沿水平方向拉着重为100N的小车前进4m．拉力做功为____ J，重力做功为 ____ J．
下列投影一定不会改变△ABC的形状和大小的是（ ）
下列说法正确的是（ ）
My father is ill. I am s____.
