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问题 单项选择题

患者，男性，62岁，慢性喘息性支气管炎10年，本次因发热、咳喘加重而入院。医嘱给患者进行超声雾化治疗。

能够帮助患者祛痰、稀化痰液的药物是

A．α-糜蛋白酶
B．庆大霉素
C．沙丁胺醇
D．红霉素
E．地塞米松

答案

参考答案：A

阅读理解

New books this month
The Long Night
This is David Reilly’s first book. David became a writer after teaching English for several years.
Maha is a nurse in northern Australia. She works in a hospital. One day a baby is so ill that Maha has to drive all night to get her to the nearest big city. They have a lot of problems getting there and… 
Hard Work
Hard Work is about Sombat. He works with his father, a carpenter, in Thailand. They work long, hard hours making tables and chairs, but they do not have any money. Then one day a man dressed all in black buys the most beautiful table in the shop…
Hospital or Cinema
Marcie Jacome, who studies English in London, wrote this story earlier this year.
Tina is a young Indian woman whose dream is to become a doctor. She goes to London to study English and medicine, but one day, she meets a man who asks her to go to the USA with him to become a film star…What will Tina do?
小题1:The Long Night was written by_____.
A．David ReillyB．MahaC．JoannaD．Marcie Jacome
小题2:The story of Hard Work happened in ___________.
A．AustraliaB．ThailandC．IndiaD．England
小题3:From the passage we can see Tina is_______.
A．a doctorB．a film starC．a writerD．a student
小题4:________ is about a difficult journey.
A．Hospital or CinemaB．Hard WorkC．The Long NightD．Harry Potter
小题5:The passage above is _______.
A．an ad.(广告)B．a storyC．a novelD．a diary
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问答题

图为测定空气中氧气含量的实验装置图．

（1）如图实验中发现氧气的体积分数偏低，原因是什么？

（2）改正后，这个实验除了可以得出氧气约占空气体积的

1
5
的结论外，还可以得出有关氮气性质的哪些结论？（写2条即可）
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