Task 1
学生应不应该在学期末给教授做评估?
Task 2
亲手做的礼物和买的礼物哪个好?
Task 3
【讲座主题】学校要办一个clean up in campus的活动，让同学们意识到保持学校整洁的重要性。
【学生态度】student agree
【理 由】(1)看到你的同学在捡垃圾，你在扔垃圾的时候就会think twice;(2) have fun ，attracts more students 做志愿者， 还可以socialize, enjoy the music。
Task 4
【讲座主题】短时记忆
【内容讲解】别人告诉你一个电话,你两个小时之后就忘了,证明了短时记忆你没用,你就忘记的很快
【相关例子】教授自己的经验：他要去买书,记好了书名,过来一个朋友和教授聊书,之后教授就只记得和朋友说的书名,把自己要买的书给忘记了.说明了短时记忆会因为其他的信息进入而受到干扰。
英文参考：
Short-term memory: a temporary storage of information. 两个特征：decay (not being used) 和interference (new information).
For example, you are out with your classmate and you want to dial someone cell phone’s number which you don’t know. So you ask you classmate and call your friend. But after two hours when your friend are not with you, since the number has been used after that, you couldn’t remember and recall the number again because it has fade away. That’s decay.来源：北京新航道
The professor uses his own experience to illustrate interference. He went to the bookstore and made a list of the books he wanted, but he forgot to take it with him and left it in his car, but he thought he could remind himself of the books listed. However, when he ran into his friend in the bookstore and talked for a while, all he could remember is the booked his friend mentioned that were quite interesting. The new information interfered with the original one. That’s interference.
Task 5
【1个问题】一个人的朋友把他书弄湿了，不能看了，但是考试又急用
【2个建议】(1)让朋友赔一本一样的,但是会伤及朋友关系;(2)去图书馆看,但是只能在图书馆借阅,而且可能会被别人先借走.
英文参考：
In the conversation, the man has a problem. He lent his mathematic book to his friend Ted, but the book got ruined, all soaked out when left outside.
There are two possible solutions. The first one is to ask Ted to buy a new copy for him. The second one is to use the copy in the library as the professor put the material on reserved for them
Task 6
【讲座主题】一个教授讲动物间的social interaction
【相关例子】阐述的是：complex social interaction。例子：Elephants生病了，其他的会照顾他，但是鱼们不能感知他们间有interaction，甚至他们都不知道原来大家都是species鱼。