What is the expression 'knock cheaters off stride' mean? A.To destroy cheater's plan B.To kick cheaters out of game C.To make cheaters exhausted D.To help cheaters working on their plan
A.To B.To C.To D.To
【参考答案】
A 解析：理解推断。根据第四段marathoner Frank Shorter 认为'knowing a tes......