【题目】大家都知道，适量的运动有益于我们的健康。(be of benefit to ; be well known; proper )

【答案】It is well known that proper exercise is of benefit to our health
【解析】it is well known that …固定句型，结合be of benefit to和proper，因此答案：It is well known that proper exercise is of benefit to our health 。