Question

根据所给例子，完成下列各题。

例: Sarah is 15 years old. Amy is 14 years old.
    Sarah is one year older than Amy.
    Amy is one year younger than Sarah.
1. John is 159 cm tall. Mike is 162 cm tall.
    ______________________________________________________ 
    ______________________________________________________
2. Liu Yun is 12 years old. Chen Jie is 14 years old.
    ______________________________________________________
    ______________________________________________________
3. Lucy is 42 kg and Mary is 43 kg.
    ______________________________________________________
    ______________________________________________________
4. I am 40 kg and my brother is 38 kg.
    ______________________________________________________
    ______________________________________________________

Answer 1

1. John is 3 cm shorter than Mike, Mike is 3 cm taller than John
2. Liu Yun is 2 year younger than Chen Jie, Chen Jie is 2 year older than Liu Yun
3. Lucy is 1 kg lighter than Mary, Mary is 1 kg heavier than Lucy
4. I am 2 kg heavier than my brother, My brother is 2 kg lighter than me