我们在合作中竞争的目标是[ ]
A．正确评价自己
B．打败竞争对手
C．爱国守法，明礼诚信
D．取长补短，携手共进
答案：D
24．As we all know, newspapers, magazines and radios as well as television broadcasts can keep us
____about what is happening at home and abroad.
A．informing
B．informed
C．to inform
D．being informed
当一个物体受到力的作用时，力的作用效果可以使物体发生________，也可以使物体的__________发生变化。
