task1.Which one of the following would you donate your money to ? Choose one,and explain how would you use the money:community charity,environment protection,animal rescue.

　　task2.Some people argue people born with natural abilities are more likely to succeed.Other people believe success can be achieved through hard work.What's your opinion?

　　task3.Proposal letter:the university gym should open up more free group classes like yoga and karate

　　conversation:The girl thinks it's a great idea.

　　task4.problem:the girl has a movie class to go tomorrow,it will be the last class of the semester,the teacher will play a movie she wants to write about for her final paper and they have to participate in discussion too,but she's got a doctor appointment scheduled at the same time

　　task5.reading:niche construction

　　listening:森林某种蚂蚁只栖息在一种树上，在那儿筑巢，吃那种树的叶子。有其他树或植物在附近生长的话，蚂蚁就回去放毒，杀死他们。这样就只有他们赖以生存的树可以很好生长，获得更多资源，进而枝繁叶茂，蚂蚁的领地也不断扩大

　　task6.lecture：two advantages of setting operational goals