考研西综英语听力部分，以下是一些可能的答案示例：
1. Q: What was the main topic of the lecture?
A: The lecture mainly discussed the impact of climate change on global agriculture.
2. Q: Who is the speaker referring to when they mention "the expert"?
A: The speaker is referring to Dr. Smith, the environmental scientist.
3. Q: According to the speaker, what is the most effective method to reduce carbon emissions?
A: The speaker suggests that the most effective method is transitioning to renewable energy sources.
4. Q: How does the speaker describe the current state of ocean acidification?
A: The speaker describes ocean acidification as a "silent killer" for marine life.
5. Q: What was the key finding of the recent study on urban pollution?
A: The key finding was that air pollution levels in urban areas have been decreasing over the past decade.
【考研刷题通】——您的考研刷题好帮手！政治、英语、数学等全部考研科目，海量真题解析，助您高效备考，轻松上研！立即关注，开启您的考研刷题之旅！微信搜索“考研刷题通”，开启高效备考新篇章！