短文改错 In our everyday' s life we see many moving (1) things. We see cars, bicycle

In our everyday' s life we see many moving

(1) ___

things. We see cars, bicycles, buses and trucks moving along the roads. We see planes flying above  (2) ___

the sky and ships sail on the sea.

(3) ___

Do you know what causes things move?

(4) ___

The answer is force. A force can be a push

(5) ___

or a pull. If you use a force on a cart, it will move and keep moving for some time before it stopped. It is the same when we ride      (6)___

on a bicycle. The bicycle will stop moving before some time if we do not keep on pedaling（蹬）.    (7) ___

If an object is not moving, it meant that

(8) ___

there are no forces act on it. An object will

(9) ___

not move if there are an equal and opposite

(10) ___

forces acting on it.

(1) everyday's改为everyday

(2) above改为in

(3) sail改为sailing

(4) move前加to

(5) √

(6) stopped改为stops

(7) before改为after

(8) meant改为means

(9) act改为acting

(10)去掉an