问题 选择题

苹果汁中含有Fe2+,它是人们喜欢的一种补铁饮料,现榨的苹果汁在空气中会由淡绿色逐渐变为棕黄色。若榨汁时加入维生素C,可以防止这种现象发生。这说明维生素C具有[ ]

A.还原性

B.氧化性

C.碱性

D.酸性

答案

答案:A

  现榨的苹果汁在空气中会由淡绿色逐渐变为棕黄色说明苹果汁在空气中被氧化,加维生素C可以防止说明维生素C具有还原性。
阅读理解

第二部分阅读理解(共两节,满分40分)

第一节(共15小题;每小题2分,满分30分)                        

Coca Cola is an American icon – and sometimes seen as a symbol of the country’s economic right. But one of the world’s famous companies will play a different role during the 2008 Olympic Games: promoting Oriental (东方的) culture to the world.

The man who is in charge of the project couldn’t be more suited for the job. The American has lived in the country for about 15 years, speaks fluent Chinese, and considers Beijing his hometown. David Brooks, vice-president and general manager of the Olympics Project Group of Coca Cola China, who has lived in the country for more than a decade, said: "We are working very hard to create a lot of special different kinds of items that are very Oriental in character and have a strong Oriental identity. "There is a lot of curiosity around the world about the country and about Oriental culture. So, we think we also have a role and opportunity to show people so many things."

Coca Cola has launched its logo(标识) with the Beijing Games, featuring kites and lucky clouds, traditional elements in the Oriental culture. Brooks considers it a good start. "We are doing a lot of similar programs, and in the next 570 days or so, as we count down to the Games, you will see more examples with strong Oriental spirit and identity."

He certainly has a sense of history. "The Olympic spirit, which is an ancient spirit from over 2,000 years ago, is alive. It still lives through the Olympic Games in the idea of balancing the body and mind, and doing the best," said Brooks, who has been to three Games. "It's like a big family celebrating together. I think all the members of my team and I feel it is a special honor to be involved in the Games."

1.The underlined word “icon” in the first sentence can be replaced by “       ”.

A.sign  B.image       C.portrait     D.picture

2.What can we know about David Brooks from the passage?

A.He is vice – president and general manager of Coca Cola Corporation.

B.He is living in Beijing with his family.

C.He has mastered at least two languages.

D.He is especially curious about oriental culture.

3.Why will Coca Cola cooperate (合作) with the 2008 Olympic Games?

A.Because it is a good chance to let the world understand Oriental culture.

B.Because there is a lot of curiosity around the world about China and Oriental culture.

C.Because it contains a lot of enormous business opportunities.

D.Because it will promote Oriental culture to the world.

单项选择题