在铁减少期,生化指标出现()。A、血清铁下降 B、铁结合力上升 C、血红蛋白下降 D、血清

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问题:

在铁减少期,生化指标出现()。

A、血清铁下降

B、铁结合力上升

C、血红蛋白下降

D、血清铁蛋白下降

考点:公共营养师考试营养师(综合练习)营养师(综合练习)题库
题型:单项选择题

阅读理解。

                                                         Moving out, moving back

      In the countries all over the world, people are leaving the countryside in large numbers to find jobs in the

cities. They leave because the countryside is much poorer than the city and often there isn't much work there.

Services such as hospital and transport (交通) are usually much better in cities than they are in the country.

They hope that their lives will improve when they move to the city.

     But in the big cities of Europe and America-London, Pairs, New York, people are moving out of the city.

These are usually families who have some money, and want to live a quieter life. They are tired of the noise and

the dirt of the city, and the crowded streets, trains. and buses. They don't want to sit in traffic any more. They

want a house with a garden, and clean air that isn't polluted.

     So they move out. Some don't go very far, just a little away from the city, to the towns near the cities;

other people move to the real countryside with sheep and cows and green fields! There, they start a new life

and try to make new friends.

     Not all those who move from the city to the countryside are happy. After two or three years, many people

who have done this feel that it was a big mistake. They don't make so much money and there isn't much to do.

Country people are very different and aren't always very friendly.

     As a result, quite a lot of people who have moved to the countryside move back to the city. "It's wonderful

to see crowds in the streets and cinema lights," they say, "I'm so glad I'm back in the city!"

1. Is there often much work to do in the countryside?

    ___________________________________________________

2. What kind of families are moving out of the city? 

    ___________________________________________________

3. What are they tired of about the city?

    ___________________________________________________ 

4. What do they think of the people in the countryside?

    ___________________________________________________

5. What can we learn from the sentence "It's wonderful to see crowds

     in the streets and cinema lights"? 

    ___________________________________________________

题型:单项选择题

下列用水方式不合理的是[ ]

A、减少农药、清洁剂的使用

B、无节制的开采地下水

C、严格污水处理,达标排放

D、一水多用

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圆的周长与它的直径不成比例.______.

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反映右心室后负荷变化的指标是()。

A.平均动脉压

B.中心静脉压

C.右心室舒张末期压力

D.肺毛细血管楔压

E.肺总阻力

题型:单项选择题

请论述传统二维动画片创作流程。并思考动画创作的流程是否可以调换?为什么?

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