听力音频：
Task1：
Some people like to take a lot of photographs at a family gatherings or meetings with friends in order to remember these special occasions. Others prefer not to take photographs when they see their family and friends for special occasions. Which do you prefer?
Task2：
Graduate Study Lounge Now Open to All students
The university has decided to change its policy about Perkins Lounge. Previously, this study space was reserved for graduate students, but the university will now allow undergraduates to use Perkins Lounge as well. The Dean of Students explained, “The space is underutilized right now – there aren’t a lot of graduate students making use of it – so there’s room to allow additional students.” She also noted that the university has a problem with insufficient study space for undergraduates, since undergraduate enrollment at the university has increased in the last few years.
The woman expresses her opinion about the student’s letter in the campus paper. Briefly summarize the proposal in the letter. Then state the woman’s opinion about the proposal, and explain the reasons she gives for holding that opinion.
Task3：
Brand Revival
Sometimes consumers begin to feel nostalgic about certain products from long ago. People become attracted to the products old-fashioned or retro features. In a strategy called brand revival, companies decide to revive and market products that were discontinued years earlier. Brand revival usually involves redesigning products, with a combination of the old features that made them popular, and updated features that are more relevant and meet the standards of consumers today.
Explain how the example from the professor’s lecture illustrates brand revival.
Task4：
Using points and examples from the lecture, explain how mammals such as lemur and orangutan are able to live primarily in the tree tops.
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