用方框中所给单词的适当形式填空，使短文通顺、正确、连贯（每个单词限用一次）

Hangzhouhua (杭州话)：use it or lose it

There are about 6.000 languages in the world and some experts say that as many as half of these languages will disappear(消失) in the next one hundred years. Will Hangzhouhua be one of 小题1:________? It’s a 小题2:________ that more people are asking.

In China, Putonghua is the official language. That小题3:________ it’s the language of government, business and the media (媒体). And it’s also the language that is 小题4:________ in schools.

Hangzhou is a special city. It used to be the capital of Wu and Yue States in the 10th century during the Five Dynasties period. Now it is modern, fashionable and also beautiful. And Hangzhouhua shows that 小题5:________ being modern, fashionable and beautiful.

Young people still speak Hangzhouhua but not as 小题6:________ as their parents and grandparents. They are under more and more pressure to speak Putonghua. So the language is being used 小题7:________ often in everyday life. Some people want to keep the language from disappearing completely by building museums and having cultural festivals to save it. But a language isn’t a painting 小题8:________ a book. It’s a living thing and you 小题9:________ use it or lose it.

If people 小题10:________ using it in their daily lives, a museum or a festival will not help. It will be lost forever, like the Yangtze River dolphin.

男，19岁，剧烈运动后突发胸痛1小时，以心前区疼痛为主，伴进行性呼吸困难，咳嗽，无发热。查体：右侧胸廓饱满，叩诊呈过清音，呼吸音消失。既往体健。最可能的诊断是（）

A.心肌梗死

B.自发性气胸

C.支气管哮喘

D.胃穿孔

E.肺心病