根据所给的汉语提示，转换下列句型。
1. Mary doesn't eat as much as Jim. (改为同义句)
    Mary eats                           Jim.
2. Karen is 160 centimeters tall.  Tony is 170 centimeters tall. (合并为一句)
    Karen is ____      centimeters ____      than Tony.
3. This bag weighs 5 kilos. That bag weighs 10 kilos. (合并为一句)
    That bag weighs _           as ___       as this one.
4. The box is 30 centimeters long. (对画线部分提问)
    ___    _  the               of the box?
5. This is an amazing achievement. (改为感叹句)
    ___       an               achievement this is!