排词成句。

1. time, you, what, do, usually, get up?

2. often, go, when, you, do, to, school?

3. lunch, what, eat, you, time, do, day, every? 

4. time, your, what, does, play, brother, games? 

坏血病是由于缺乏

A．变量值间呈倍数关系的偏态分布
B．表达同质计量资料的对称分布
C．偏态分布资料或末端无界的资料，或频数分布不明资料
D．表达同质量计量资料的偏态、分布
E．变量值间无倍数关系的正态分布