阅读短文，判断下列句子是否符合短文内容，符合的写正确，不符合的写错误。

     Jim lives in a city with his wife. He is a police officer. He works in a police. It is not far from his home, so he goes to work on foot every day. His wife is a worker, she works in a factory. It's far from her home, she goes to work by car. When she drives the car, she is very careful. When the light is red, she stops. When the light is yellow, she waits. She won't go until the light is green. She always says that we must obey (遵守)the traffic rules. 

①A→C运动是匀速运动；   ②B→D运动是匀速运动；

③A→C平均速度为3a/2△t；④通过D点时速度为a/△t．

关于“宽容”和“严格”的说法正确的是（   ）