I’ve talked a lot about walking. , I want to say it is a cheap, safe and enjoyable form of exercise.
A. In detail
B. In conclusion
C. In effect
D. In reality
网友回答
A. In detail
(答案→)B. In conclusion
C. In effect
D. In reality
解析：考查短语辨析A详细地B最后C实际上D 事实上。根据题意 我谈论许多关于散步的事，最后 ，我想说这是一种健康环保的锻炼方式。故选B项。
考点 短语辨析。