采用吹入呼气的人工呼吸法时，成人呼出气中氧含量在下列数值中哪个是正确的？（）A、5％

Most people will rest and relax when they are old. They do not work. And most people are certainly not famous. But Grandma Moses is different She starts a new job at the age of 76.

This is her story. She was born in a poor farmer’s family in 1860. Her parents named her Anna Mary Robertson. She married Thomas Moses in 1887. He was a farm worker.

Now it is 1930. Anna Mary Moses is 70, and is a grandmother. She begins to paint pictures. She does paintings of country life. One day, her daughter takes her paintings to a store in town. Her paintings are put in the window. A man from New York sees the paintings in the window and buys them. And he wants more!

The man likes Grandma Moses’ paintings. He wants to help her. So he takes her paintings to galleries(美术馆) in New York City. Otto Kallir has a famous gallery there. He likes the paintings by Grandma Moses. Now it is 1940 and Grandma Moses’ paintings are in Kallir’s gallery. She is 80 years old.

Grandma Moses suddenly becomes famous. Everyone wants her paintings. So she paints more and more. She wins many prizes for her paintings. She becomes famous in the United States and Europe .

When she is 100 years old, the State of New York makes her birthday "Grandma Moses’ Day". After her 100^th birthday, she paints 6 more paintings. She dies at age 101 and a lot of people think she is amazing.

小题1:How is Grandma Moses different from most other old people?

A．She has more grandchildren.

B．She has her own art gallery.

C．She lives an easy life.

D．She starts a new job.小题2: Grandma Moses starts to paint pictures_______.

A．when her daughter asks her to do that

B．when she gets married

C．at the age of 70

D．in the year 1940小题3:Grandma Moses’ paintings are first bought by _______.

A．a man from New York

B．her daughter

C．Otto Kallir’s gallery

D．the owner of a store in town小题4:The writer of the passage thinks that _______.

A．Grandma Moses is too old to paint at age 100

B．people like her paintings but do not like her

C．it is never too late to start a new job

D．many people prefer paintings by old ladies小题5: What would be the best title for the passage?

A．Grandma Moses and New York State

B．Grandma Moses and Painting

C．Grandma Moses’ family

D．Grandma Moses’ Day

读某地区等高线（单位：米）示意图，完成题。

小题1:图示区域最高处与乙村的高差最有可能为

A．558米

B．876米

C．1037米

D．1203米小题2:下列地点位于①处视野范围的是

A．③镇、乙村

B．I山山顶、②镇

C．④镇、II山山顶

D．甲村、I山山顶

某厂生产上海世博会吉祥物：“海宝”纪念章10万个，质检部门为检测这批纪念章质量的合格情况，从中随机抽查500个，合格499个。下列说法正确的是（    ）           [ ]

A.总体是10万个纪念章的合格情况，样本是500个纪念章的合格情况

B.总体是10万个纪念章的合格情况，样本是499个纪念章的合格情况

C.总体是500个纪念章的合格情况，样本是500个纪念章的合格情况

D.总体是10万个纪念章的合格情况，样本是1个纪念章的合格情况

发生炉内各层次的作用是什么？反应式有哪些？

下列对旅游本质属性表述不正确的是（）。

A.旅游是人类社会经济发展的产物

B.旅游是精神上的高层次消费活动

C.旅游是一种自然现象

D.旅游是一种以审美为特征的休闲活动