根据所给的汉语提示，转换下列句型（合并为一句话）。
1. Tom jumps high. Jack jumps a little higher.
Jack jumps a______than Tom.
2. His desk is l meters long. That one is 2 meters long.
That desk is______as______as this one.
3. Lily is 5 years old. Ann is 16 years old.
Ann is______than three times______ than Lily.
4. Peter weighs 20 kilos. John weighs 25 kilos.
John weighs______kilos more______ Peter.
5. Jean eats three cakes. Ann eats two cakes.
Ann eats a __ _ ___ than Jean.
