根据所给提示填空。

1. If you're s_____________ and you know it, sit and cry.

2. If you're h_____________ and you know it, fan your face.

3. If you're t_____________ and you know it, go to sleep.

4. If you're c_____________ and you know it, stamp your feet.

5. If you're h_____________ and you know it, turn on the fan (电扇).

在细胞分裂过程中，细胞核里的_________经过复制而倍增，并且_________分配到两个新细胞中，这样就保证新细胞与亲代细胞具有相同的____。