视频练习题
1. The first transatlantic chocolate encounter occurred in______.
A．1509
B．1513
C．1519
D．1527
2. Chocolate has a long history of being linked to love.______drank cocoa before visiting with his wives.
A．King Henry VIII
B．Moctezuma
C．Zeus
D．King Louis VIII
3. Which European country explored the seas and encountered chocolate first?
A．France.
B．Italy.
C．Spain.
D．Greece.
4. Conrad Van Houten invented the______. This allowed the separation of cocoa solids from cocoa butter.
A．cocoa press
B．cocoa filter
C．cocoa iron
D．cocoa roller
5. The Aztec people used cacao beans for______.
A．currency and rituals
B．celebrations at royal feasts
C．rewards for soldiers
D．all of the above
6. Cocoa has been consumed as a medicine for hundreds of years and is now thought to be heart healthy. Why is that so?（Hint：search the web for chocolate and medicine to read about the vasodilation of arteries.）
7. Cocoa beans are primarily grown in West African countries and linked with human rights abuses. What are some solutions to solving this problem?
8. Chocolate is made into cakes, cookies, candy and ice creams. What are the chemical properties of chocolate that enables the product to be transformed into so many other items?
以上标色的单词和短语是我觉得与文章内容有联系的重点单词和短语，这就是我所认为的关键词。在听视频内容的时候，我会注意听是否有这些单词和短语。如果听到，我就会记住这些关键词的上下文。
思维导图法学习策略提醒
这些题目和标色的单词和短语，可以让人对这个视频内容有一个初步的猜测。无论是听力练习还是阅读，事先的猜测就像热身一样，可以提高我们的专注力，并组织出文章的脉络，即使最后发现自己的猜测与实际内容不同也没关系，因为在这个过程中你不只是听讲式的学习，而是进行了主动的思考。