单项选择题

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

A．produces heat in its body cells
B．burns fuel to produce heat
C．sends out heat through its skin
D．takes in oxygen for burning fuel
<上一题 目录 下一题>
热门 试题

单项选择题
The amount of oxygen an animal uses determine ______.
A．the heat the body produces
B．the food it eats
C．its size and shape
D．the length of time it lives
单项选择题
Small animals are said to live faster than big ones because they ______.
A．have more skin for their weigh
B．replace lost heat faster
C．burn fuel faster than big ones
D．keep a higher body temperature
相关试题