请分析一下这个句子的语法结构

Question

People engaged in normal daytime work will have a high temperature during the hours of wakefulness and a low one at night: when they change to night work the pattern will only gradually reverse to match the new routine and the speed with which it does so parallels, broadly speaking the adaptation of the body as a whole, particularly in terms of performance and grneral alertness.
上白班的人在清醒的时候体温较高,而在夜间体温较低.当他们改为上夜班后他们的体温也会随颠倒以适应新的工作日程和速度.........
后面不会了.
请分析一下后面部分的语法和中文意思.
with which it does....做什么成分? which 指代什么?

Answer 1

1.with which it does....做什么成分? which 指代什么?
定语从句。 代替the new routin and speed.
2.广义来讲，作为一个整体， 体温的适应是以工作和选择为表现形式的。
（仅供参考）

Answer 2

so parallels, broadly speaking the adaptation of the body as a whole, particularly in terms of performance and grneral alertness.

如此相似（原来PARALLES是平行的意思）， 一般讲来，作为一个整体， 身体（体温）的变化是为了适应，尤其是身体的机能和反应。