Ⅳ. Special difficulties. 难点。
A) 朗读并口头翻译下面的句子，总结 of 和 for 的用法。
1. They are also a symbol of good luck here.
2. Elephants are an important part of Thai life and culture.
3. Let's save the forests and not buy things made of ivory.
4. Don't give the penguins your sandwich! It's not good for them.
5. People also kill elephants for their ivory.
小结：介词 of 表示“”；介词 for 表示“”。

of 表示“所属关系或特征”；
for 表示“目的或利益”。

1. 分析例句中“of”和“for”的用法：
of 用于表示所属关系或特征，如 "symbol of good luck"，"part of Thai life and culture"，"things made of ivory"。
for 用于表示目的或利益，如 "not good for them"，"kill elephants for their ivory"。
2. 总结：
介词 of 表示“所属关系或特征”；
介词 for 表示“目的或利益”。

B) 用 for 或 of 完成下列句子。
1. Here is a ticket you.
2. The window the room is broken.
3. The legs the table are very long.
4. This dress is the party tonight.

1. for
2. of
3. of
4. for

1. “Here is a ticket ___ you.” 这里表示“给你的票”，用for表示对象，意为“给”。
2. “The window ___ the room is broken.” 表达“房间的窗户”，用of表示所属关系，即“房间的”。
3. “The legs ___ the table are very long.” 表达“桌子的腿”，用of表示所属关系，即“桌子的”。
4. “This dress is ___ the party tonight.” 意思是“这件裙子是为今晚聚会准备的”，用for表示目的。

Complete 2a - 2b, polish 2b and rewrite it below. 完成 2a - 2b，修改 2b，并在下面重写。

答案略