1. Talk about a positive experience you recently had working with another person. Explain why this experience was important to you.
参考答案：
An important experience I’ve recently had with someone was preparing for a class presentation with my parents. I was asked to do a fifteen minutes presentation about my family in my English class. To start the project, I spent some time talking with my parents. I learned some interesting things about my family history from them. Next, my dad worked with me to get the slides right. He’s an expert because he gives lots of presentations at work being a project manager. At the end, I rehearsed my presentation with them for a few times and got many useful tips on how I could improve. Thanks to their help, I got a pretty good grade for it.
2. Some people prefer to plan what to do in their free time ahead of time, others prefer to not having such plans. Which do you prefer? Explain why.
参考答案：
I prefer to have plans for my free time for the following reasons. First of all, I can utilize my time to get as much done as possible. For example, on Friday night, I would make a short list of the things that need to be done on the weekend. Such as cleaning the apartment, going grocery shopping, taking a walk down the beach, reading for a few hour and spending sometime with the families. If such lists don’t exist, I could easily lose track of time and forget to do a thing or two. Doing so not only makes my life more organized, it also gives me a sense of achievement sometimes seeing just how much I can do within a short period of time.
3.
阅读：学校要求所有同学参加career skill workshop, 增加学生的skills。
听力：男学生不同意
理由一：他有很多工作，所以已经有很多skills和工作经验了，学不到新东西。不需要参加这个workshop，这个workshop只对一些人有用。
理由二：workshop时间conflicts with students‘ summer plan，很多学生有internship，而这个training是安排在暑假的
解析：
Key Points:
Reading: The school has an acquirement that all students should attend the career skill workshop in order to increase skills.
Listening: The boy disagrees with the acquirement.
Reason1: He has lots of work to do, from which he has learnt a great deal of skills and experiences. He thinks that it is necessary to only a small group of people.
Reason 2: The workshop training which is arranged in this summer conflicts with student’s summer plan because most of them have internships this vacation.
4.
阅读：opportunity cost：the benefits people must give up when choose an option over another one.
听力：一方面学校里没有游泳池(swimming pool)，一方面图书馆(library)太小，放不了很多书。图书馆可以提供地方给学生study 和research。但两个只能选一个，最后学校选择造swimming pool，并且效果很好，但它就放弃了建library的好处。这样做的机会成本就是图书馆的书不够用，同学没有足够的空间去学习。
Key Points:
Listening: The professor gives an example to illustrate what is opportunity cost. On the one side, the school doesn’t have a swimming pool; on the other side, the library, which is a good place for students to study and do research, doesn’t have so many books for students them to do so. However, the school has to decide between the two. At last, it decides to build a swimming pool instead of enlarging the library. The opportunity in this example is that the library is too small to accommodate so many students.
5.
问题：女生因为要搬家(new apartment)去不了一个hiking trip
方案一：请搬家公司
评价：这样既可以去hiking，家也搬好。但是搬家公司cost a lot of money，她打算存钱买camera，
方案二：hiking回来的晚上搬
评价：朋友可以在晚上的时候提供车帮女生搬，但那样要熬夜，并且会很累。
Problem:
The girl has confronted with a time conflict that she is going to move to a new apartment this Saturday when she promised her friends to go on a hiking trip.
Solution 1: Ask for help from the moving company
Comment 1: She will have time go hiking with her friends.
Comment 2: But it will cost her a lot of money that she wants to save to buy a new camera.
Solution 2: She can move to the apartment in the evening after the hiking.
Comment 1: There will be someone who can help her.
Comment 2: But in that case, she has to stay late at night which is very tiresome.
6.
主题：earth worms 帮助植物生长的两种方法
方法一：结构很独特，吃叶子什么的，最后身体里面的东西会转化成植物成长的营养。吃的叶子什么的通过消化以后又排出来，全留在土里，很有营养。
方法二：爬的时候留下很多通道(create tunnels)，这样就可以储存空气和水分，这里的水分更有利于根部吸收。就算是旱季也能保持植物的生长。
Key Points:
Main idea: The professor introduces twos ways of earth worms to help plants grow.
Way 1: It has a special body structure. After eating some leaves, it will digest and then its excretion will remain in the soil, which is nutrient for plants to grow.
Way 2: It can create tunnels when it crawls. In this way, the soil has much space for water and air which is beneficial for roots to absorb. So, even in dry seasons, plants can also survive.
