根据提示补全句子。

1. The four seasons are ___________________________.

2. This month has only 28 days. It's ______________. 

3. The date of the New Year's Day is ______________.

4. The date of Children's Day is ______________.

5. This month is the third month in a year. It's ______________.

取得同样质量的教育成果，教育资源占用和消费的越少，其效率就

A．越低

B．越高

C．无法衡量

D．不变