Whenever replacement alternatives cannot be used, as is often the case, the application of the other two alternatives (2Rs) is still necessary and, they are key elements in ethical evaluation.
【简答题】请填写下面的空白,并且告诉你的父母,你最喜欢的体育运动是什么. I love to exercise.I usually _1_sports every day. I get up early in the _2_ and _3_(跑步) for 20 minutes. Then I often go to the gym and _4_(游泳) for half an hour. Sometim...