石膏制品抗火性好的主要原因是：（） A.制品内部孔隙率大 B.含有大量结晶水 C.吸

根据对话内容，从方框中选择5个恰当的句子完成对话，并将句子前的字母代号填在答题卡上的相应题号后。

A. What happened to him? B. Is there a Chinese festival in June, too? C. Thank you for telling me. D. Yes, you are very smart. E. It sounds very interesting. F. What do you usually do on that day in China? G. What a pity!

Nathan:     There is a festival in June in our country, it’s Father’s Day.     61   
Li Fei:    Yes, it’s on the fifth day of the fifth lunar(阴历)month. We call it Dragon Boat Festival
Nathan:      62      
Li Fei:     We make and eat zongzi and hold dragon boat races.
Nathan:        63       Why do you celebrate Dragon Boat Festival?
Li Fei:     Oh, it is a story about Qu Yuan. He lived about two thousand years ago. His job was to give advice to the emperor. But he wasn’t trusted and often got punishment（惩罚）. So he jumped into the Miluo River and died.
Nathan:     64    Was the day that Qu Yuan died on the fifth day of the fifth lunar month in that year?
Li Fei:      65      From then on , Chinese people began to eat zongzi and have dragon boat races on that day to memorize him.