问题 选择题

人体进食摄入的六大营养物质中,一些做为细胞再生的原料,一些为人体提供活动的能量,另一些则肩负调节新陈代谢、维持身体健康的重任。下列有关叙述中正确的是

答案

答案:C

题目分析:A 油脂是人体必需的重要的营养物质之一,进食时应注意避免摄入过量脂肪;B 动物性食物和食物性食物都含有维生素;C人体需要各种微量元素,偏食挑食容易造成某种微量元素的缺失而影响健康;D 蛋白质在人体内转化成氨基酸,这些氨基酸有的合成新的蛋白质,有的被代谢掉。

点评:涉及人体健康和营养物质方面的化学知识在中考中常以选择题的形式出现,较为简单,注意积累。

阅读理解

阅读理解。根据短文内容,从A、B、C、D四个选项中选出最佳答案。

    The picture show eighteen-year-old Katy Ross in Nepal, small country in north India. Katy left school 8

months ago and soon she will go to university. She loves travelling and decides to visit Asia before she goes to

university.

    Katy is living with a family in the capital of Nepal. She has learnt a lot about the country since she arrived 4

months ago. The family has two children but many uncles and cousins live with them in their big house. They

have taken Katy to many parties.

    Katy teaches for four hours a day at a small school. All the classes are in English and the pupils have spoken

English since the age of six. The older children speak English very well. Katy has taught writing, grammar and

art, all in English. She enjoys art most. And she thinks the children like the lessons best, too.

    Katy has not a lot of time to see Nepal, but soon she will stop teaching and travel around Nepal with a friend.

"After that," Katy says, "we will visit more countries in Asia. We're not sure which ones yet."

1. Why is Katy in Nepal? [ ]

A. She is studying there.

B. She wants to take some pictures there.

C. She wants to learn more about the country.

D. She is an exchange student

2. Which of the following is TRUE about the family Katy is living with? [ ]

A. They are friendly.

B. There are three people in their house.

C. They are strange.

D. They have never taken Katy to the parties.

3. How long has Katy been in Nepal? [ ]

A. eight months

B. six months

C. four months

D. one moth

4. When did the children begin to speak English? [ ]

A. When they are 5 years old.

B. When they are 6 years old.

C. When they are 7 years old.

D. When they are 8 years old.

5. According to the passage, Katy __________________. [ ]

A. likes travelling very much

B. doesn't want to live with a family

C. only teaches writing in English

D. will go back to school after she leaves Nepal

单项选择题