The information presented here is intended to describe the course goals for current and prospective students as well as others who are interested in our courses. It is not intended to replace the ...

The information presented here is intended to describe the course goals for current and prospective students as well as others who are interested in our courses. It is not intended to replace the ...

在和亲朋好友聊天时，你会忍不住和对方开个小玩笑来 “lighten the mood（活跃一下气氛）” 吗？那么本期节目中主持人 Beth 和步理使用的表达你可要记好，因为这些表达都能帮助你在和他人开玩笑时向对方揭晓 “其实我在跟你开玩笑呢”。

Find the distance travelled by Caitlyn if she sprints at an average speed of 9 m/s for 4 seconds. Velocity v = 1000 m ÷ 25 s = 40 m/s south. Don’t forget the direction! The velocity of the train is 40 ...