A-A+
The speed at which an animal lives is determin
问题详情
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
参考答案
正确答案：C
解析：第二段明确指出The speed at which an animal lives is determined by measuring the rate at which it uses oxygen，因此可以直接得出答案。
