4. That's up to you to decide.

be up to由......决定；是......的职责

在英语中，be up to somebody是一个习惯用语，用来表示"由某人做出抉择"，句子的主语通常为it，有时也用this或that。

e.g. You can join the club once or twice a week- it's up to you.

5. When people watch the show, they usually play a role in deciding the winner.

人们看这样的节目时，通常承担着要评判优胜者的角色。

play a role是一种固定表达，意为"扮演某一角色；起到某种作用"。若要进一步引出具体的内容，后面应用介词in，表示"在某事或某个方面起到作用或承担某种角色"。

　e.g. John is playing the leading role in this year's play.

今年的演出中约翰是主角。

Schools play the most important role in education. 学校在教育中起着最为重要的作用。

6. However, if you don't take these shows too seriously, they are fun to watch.

但是如果你不把这些节目太当回事，它们还是有看头的。

take在此处有consider(认为；觉得)的意思。take someone/something seriously就相当于汉语"认真对待某人或某事；把某人或某事当真"的意思。

e.g. He was joking, but your sister took him seriously.

　　　他是在开玩笑，但你姐姐却（把他）当真了。

7. ... that they give people a way to make their dreams come true.

give v. 提供；给

常用词组：give sb. sth. / give sth. to sb. 给某人某物

e.g. Please give your uncle these tickets.

= Give these tickets to your uncle, please. 把这些票给你的叔叔。

Homework

完成2e中的调查，并写出一个调查报告。

教学反思