关于x的多项式x³+（m+1）x²+x+2没有二次项，则m的值是（　　）

Crack cocaine is the most____(上瘾)form of cocaine.

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.

将数轴上表示-3的点向右移动3个单位得到的数为（    )

周代设有王室和诸侯的贵族学府——痒、序，也设有供大夫以下官员及一般庶民学习的地方学校——乡校。各级学校的课程是礼、乐、射、御、书、数，是为“六艺”，任务是“顺先王诗书礼乐以造士”。班固《白虎通》谓，“士者，事也，任事之称也”。据此可知，周代教育（    ）