老师：Hello, everyone. Welcome to my class. Today, let's continue to study Unit 4, journey across a vast land. Before we start, let's take a look at the learning objectives. In this class. You will get some detailed information about Mary Sullivan's long journey alone. You will also conduct an interview with your classmate about his or her journey.
老师：Now let's get started. Here is a guessing game for you. Can you guess the name of the country according to the following information? The first clue, it has a vast land. Which country comes into your mind? Maybe Canada, China or America. The second clue, big deserts cover a large part of the country. Do you know which country has large deserts? This piece of information can narrow down your choices, right? The last one, it is home to kangaroos.
老师：Now, I'm sure all of you can guess the name of the country, right? It is Australia. In the guessing game, we have known some information about Australia. Do you know other facts about this country? Now, let's find out how much you know about it. The first question, which continent is Australia located in? Yes, Australia is located in Oceania.
老师：The second one, what's the climate like in the center and west of Australia? Correct? It is very dry and hot. The temperature can go above 40 degrees Celsius in the summer.
老师：The last one, can you name some big cities in Australia, right? Canberra, Sydney, Melbourne and Perth. You have done a good job. You know a lot about Australia. Have you ever been to Australia? Some of you may say yes. Have you ever walked across Australia? I think most of you will say no.
老师：Mary Sullivan has just completed a long walk alone across Australia and is now being interviewed on a webcast called Adventure Travel. Listen to the webcast and write down the main aspects about her journey. When you listen, you do not have to write down the words or sentences you hear. Just focus on the key information and use your own words to summarize the main aspects. Are you ready? Now let's listen.
学生：Hi, Mary. Welcome to Adventure Travel. Could you please tell us more about how you began your journey?
学生：Well, I wanted to help raise money for the medical fees for a child who lives in my neighborhood. People would donate a certain amount of money, typically around $3 for every kilometer I walked.
学生：How far did you walk? How much did you raise?
学生：Altogether, I walked nearly 3350 km and raised over $20000.
学生：It must have taken a long time.
学生：I left Sydney in November and arrived in Perth in may. So it was about six months.
学生：And what kind of equipment did you need?
学生：Walking shoes, of course, but the most important thing was a cart to carry my water. It goes above 40 degrees Celsius in the summer, so I needed to drink at
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