大约在多少年前,我国的第一部诗歌总集《诗经》中就有了关于游泳活动的记载。()
A、两千四百多年
B、两年六百多年
C、两千五百多年
D、两千七百多年
参考答案:C
He always _____ TV in the evening. He _____ listening to the radio. [ ]
A. watch, don't like
B. watches, doesn't like
C. watching, don't like
D. watch, doesn't like
游泳刚下水时,如果水超过了胸部,为什么会感到呼吸吃力?