()是以过去的做法原班不动,一味地按其性情、忍耐、拼命努力,()则是首先去思考其方法。
参考答案:辛劳;动脑筋
做曲线运动的物体在运动过程中,下列说法正确的是
A.速度大小一定改变
B.加速度大小一定改变
C.速度方向一定改变
D.加速度方向一定改变
He looked ________ at the news that his favorite team had lost the game and felt ________ that Martin should have taken part in it.
A.sad;strong
B.sadly;strong
C.sad;strongly
D.sadly;strongly