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下表是我国营养学家将食物按照每日摄取量,设计而成的五级“平衡膳食宝塔”,请分析回答: (1)人体进行生命活动的主要供能物质来自______(填序号)级食物。在消化道中,主要供能物质最终被消化的部位是_________,在此部位参与消化的两种消化液是________。 (2)处在发育时期的青少年摄取表中Ⅲ、Ⅳ级的食物,原因是这些食物中含有生长发育所需要的__________________。 (3)Ⅱ级中的菠菜、Ⅲ级中的动物肝脏均含有较为丰富的铁,在饮食中若摄入的铁不足,有时会导致血液不能携带正常数量的氧气而引起头晕,这是因为合成__________的重要原料,这种物质的特性是___________________________________。
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【简答题】18-Having a dietwhich is rich in fruit and vegetables can reduce the incidence of heartdisease. -I couldn’t agreemore; .A. better late than never B. something is better than nothing C. the more, the b...
【单选题】Which of the following is the meaning of "I'm on a diet"?
A.
I'm having a meal.
B.
I try to eat less.
C.
I have good appetite.
D.
The diet is healthy.
【简答题】Identifying Main Points Each of the ten statements below contains information given in one of the sections in the text. Each section is marked with a letter. Have students identify the section from wh...
【单选题】A patient with cirrhosis is having mental status changes owing to elevated ammonia levels in his blood. In prescribing a diet to reduce ammonia production in this patient, which class of nutrients sho...
A.
Ethanol
B.
Lipids
C.
Proteins
D.
Carbohydrates
E.
Water-soluble vitamins
【单选题】第二册翻译 Unit 7 Before I leave, I'd like to thank you for all you've done for me.
A.
离开的时候,我想谢谢你为我所做的一切。
B.
离开之前,我想谢谢你为我所做的一切。
C.
离开之后,我要谢谢你为我所做的一切。
【判断题】反刍动物瘤胃内微生物能利用饲料中的蛋白质和非蛋白氮,所以可用尿素来代替反刍动物日粮中的部分蛋白质。
A.
正确
B.
错误
【单选题】第二册翻译 Unit 7 Before long, through the door came a tall, unimpressive-looking man of about 40.
A.
很久前,从门口走进一个高高的、40来岁的男子,看上去其貌不扬。
B.
很快,从门口走进一个高高的、40来岁的男子,看上去其貌不扬。
C.
很快,一个高高的、40来岁的男子通过门边,看上去其貌不扬。
【单选题】-Having a diet which is rich in fruit and vegetables can reduce the incidence of heart disease. -I couldn’t agree more; .
A.
better late than never
B.
something is better than nothing
C.
the more, the better
D.
prevention is better than cure
【简答题】阅读理解。 The fried foods, salty snacks and meat are major food of the Western diet, which accounts for about 30 percent of heart attack risk (风险)  across the world.  Meanwhile, a diet rich in fruits and ...
【判断题】A diet rich in vegetables and fruits has bountiful benefits, which can decrease the chances of having a heart attack, blood pressure stroke, protect against all types of cancers, etc. ( )
A.
正确
B.
错误
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