A student has written a letter to the university newspaper. 一个学生给大学报社写了一封信。 You have 50 seconds to read the letter. Begin reading now. 你有50秒的时间阅读这封信。现在开始计时。 Now listen to two student...
Using the examples of Leafy Sea Dragon and the Cuttlefish, describe two kinds of camouflage and the benefits they provide. 请以叶海龙和墨鱼为例描述两种伪装手段和它们带来的益处。 Now listen to part of a lecture in a biology...
Now listen to a conversation between two students. 请听下面两个学生之间的对话。 Hey, Mark, how's it going? Mark，最近怎么样？ Hmm, not too good! 不太好！ What's wrong? 怎么了？ Well, you know how I'm president of the anth...
