甲、乙两物体由同一位置出发沿一直线运动,设两物体相遇时不发生碰撞,其速度-时间图象如图所示,下列说法正确的是( )
A:甲与乙两物体的运动方向相反
B:甲与乙两物体第一次相遇时,甲的速度大于乙的速度
C:两物体在2s末相遇
D:甲与乙两物体的加速度大小相同
用所给词的适当形式填空 1. A year ____(divide) into 12 star signs.2. The first ____ (clone)sheep was named Dolly.3. Stop____(argue) about it. Let’s be friends again.4. The____(relax) music made us even____ (relax).5. Amy has just had his bicycle____(repair).6. It's a good ____ (choose) to____(choose) him as our monitor.7. It's much____(sun) today than yesterday.8. ____ (eat) too much is ____(health)for our health..9. Your advice will be of great ____(valuable) to us .10. I____ (colour) the card orange ____(cheer)you up and it brought you joy.
苏伊士运河沟通了( )
“家国情怀”是一个人对自己国家和人民所表现出来的深情大爱,是对国家富强、人民幸福所展现出来的理想追求。
Close the door, please.