What is the ONE thing that makes your country different from other countries?
It is easier to teach students in primary school than it is to teach students in university?
标题：art centers may house new classrooms
改变： university plan s to convert one of the two large theaters into classroom.
阅读理由：1. 引入更多的学生 2. Less constructed
1. Not convenient , theater is far away from classroom, if students just finished the first class, they have to travel a long distance to the next class in theater and they must rush on the way.
2. On the money issue, the woman thinks the plan will cost more money because many students will come to the theater to practice musical instrument or rehearsal when school bring some new students in. Therefore, the building would turn back to the theater and school needs to construct new classrooms.
定义：commitment devices is helpful when people have some conflicts between immediate desire and long-term goals.
听力：the professor uses his own experience as an example, several years ago, he was planning to attend 10 kilometers ‘race, before the race, he was supposed to get some physical preparation like exercise, he was busy at that time only had free time in the morning before work, so he started to get up very early to exercise in the first couple of days while gave up later. Then, he made appointment with one of his friends who had the same goal with him, the friend called him every day in the morning , in order to keep the promise and take this responsibility, he insisted and did very well later.
话题：two types of alarming signals animals use
案例1：when a bird called robin encounters an approaching danger, it would cry out loudly to warn the other birds nearby about the danger. Receivers of this call would immediately seek shelter against the predator.
案例2：when a kind fish called salmon is hurt under the water, its skin would release a chemical substance with a unique smell, which serves as a message to other salmon. So, they would hide and be out of reach from predators.
Topic： Hypothesis about why Vikings left Greenland in the 15th century（关于维京人离开格陵兰岛原因的几个假说）
阅读1：Because of climate change the temperature got lower so the Vikings didn’t have enough food. （气候变化导致农作物减产，食物不足）
阅读2：The Vikings were driven out by the local enemies.（维京人被当地人驱赶出格陵兰岛）
阅读3：The trade between the Vikings and the European countries was cut off by Norway. （挪威王室不允许维京人和欧洲其他国家通商）
听力1： Vikings relied on fish for food and climate change didn’t change the ocean and the fish.（维京人以鱼类为主食，并没有面临饥荒）
听力2： When the Vikings left, they took away all their valuables and tidied up, if they were driven out they would have been in a rush.（维京人离开时整齐有序，并没有落荒而逃的迹象）
听力3： The formal trade was cut off but the illegal and unofficial trade was still on-going. Even the Norwegian King complained about the illegal trade was hard to control （虽然正式的贸易被禁止了，但是非法的和私下的通商依旧繁荣）
原题： If you were offered two jobs, one has average paid and you work normal hours (40 hours a week ),the other one has much higher salary but you need to work long hours. Which one would you choose? And state your reasons.