Question

【题目】Although we produce carbon when we breathe, the carbon we produce is much less than produced by a car.

A. that B. it

C. one D. the one

Answer 1

【答案】A

【解析】考查代词。句意：虽然我们呼吸的时候生产碳，我们生产的碳比汽车生产的碳少得多。carbon是不可数名词，用that替代，故答案为A。