单项选择题

The selection says that every animal is a living radiator because it ______.

A．produces heat in its body cells
B．burns fuel to produce heat
C．gives off heat through its skin
D．requires oxygen to produces heat
<上一题 目录 下一题>
热门 试题

单项选择题
The speed at which an animal lives is determined by measuring ______.
A．the amount of food it eats
B．its body temperature
C．the rate at which it uses oxygen
D．the amount of oxygen it uses
单项选择题
Small animals are said to live faster than big ones because they ______.
A．have more skin for every ounce of body weight
B．replace lost heat faster
C．bum fuel faster
D．maintain a higher body temperature
相关试题