下面是一篇听力材料及其教学片段，请用中文从以下方面进行评析。
    1．活动设计；
    2．听力策略；
    3．教师角色。
    听力材料：
    Announcer: Good afternoon. It's three o'clock, and you're listening to Radio Beijing in English, with your newsreader, Zhang Li.
    Zhang Li: Thank you. Here's the latest news from China and around the world. The president of Russia arrived in Beijing today for three days…Now for the sports report, and we're going over to our sports reporter, Wang Lin for his latest report on the China-England match. Wang Lin, can you tell us what the score is?
    Wang Lin: Yes, at this moment, the score is China 1 England 2. England are winning, but there is still half an hour to go. Back to you, Zhang Li!
    Zhang Li: Thank you, and we look forward to the result of the China-England match. Finally, the weather report from Li Yong.
    Li Yong: Well, it'll be sunny this afternoon, and rainy in the evening. That's all from me.
    Zhang Li: And that's all from us. Thank you and good afternoon from everyone here on Radio Beijing.
    教学片段：
    Step 1 Pre-listening
    1．教师以问题“What information can we get on the radio?”来激活学生有关radio的信息。在师生互动中，教师让学生进一步感知认识熟读记忆生词newspaper, reporter, latest, score等。然后让学生将屏幕上给出的词(latest, newspaper, rain, report, result, score, sunny, win)分为三类：news, sport, weather。如与sport相关的词汇：latest, report, reporter, result, score, win.
    2．教师在大屏幕上给出4个问题，让学生listen and fill。听前让学生快速读题，抓住问题中的关键词latest, score, weather,jobs。
    ①What's the latest news?
    The Russia president ______ for a visit to China.
    ②What's the score of the China-England match?
    ______.
    ③What's the weather going to be?
    It's going to be ______.
    ④What are the jobs of ______?
    Zhang Li is a ______. Wang Li is a
    3．根据4道题中的信息，预测听力材料的主要内容。
    Step 2 While-listening
    学生听两遍录音，记录和问题相关的关键词。
    Step3 Post-listening
    验证预测信息，完成信息填写，并讨论the latest news, the score and the weather.