[归纳拓展] 列举表示参加的词或短语：______________________

[学以致用] 用表示参加的词或短语填空,指出其区别。

1.) He ________the army three years ago.

2) Last month, he was invited to_________an important international meeting in London.

3) Every four years, many countries ____________the Olympic Games.

4) Are you going to ____________the speech contest.

5.［课文原句］I lived in what you call "Ancient Greece"and I used to write about .........

[归纳拓展] 翻译：___________________________________________________

本句由and连接两个并列句.what 引导 名词性从句，作介词in的________(成份)，意为____________.

[学以致用] After many days' voyage, they arrived_______________________(如今被称作美洲的地方)。

6. ［课文原句］ That's why they're called the Winter Olympics

[归纳拓展] That's why 意为_______________,表示____________

That's because 意为__________,表示___________.

The reason why...........is that______________________

[学以致用] The man is generous and reliable._______________________________(这是我们一直向他求助的原因。

四、迁移运用 (self-checking)----检

1. They competed_______the game for days without getting something in return

2. 改错： The reason why he always wins the first prize is because he works hard.

He stopped and turned around every a few meters.

3. 翻译：他积极参加社会公益活动 He____________________social benefit activities.

4 __________(volunteer) gives you a chance to change lives, including your own.