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研究者提出我国运动员的蛋白质需要量约为()。
A.0.5~1.5g/kg
B.0.8~1.2g/kg
C.1.2~2.0g/kg
D.2.0~3.0g/kg
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- · 有4位网友选择 C,占比44.44%
- · 有3位网友选择 D,占比33.33%
- · 有1位网友选择 A,占比11.11%
- · 有1位网友选择 B,占比11.11%
A.0.5~1.5g/kg
B.0.8~1.2g/kg
C.1.2~2.0g/kg
D.2.0~3.0g/kg
不考虑机体运动状况,美国18岁以上成人蛋白质每日膳食推荐量是0.8g/kg体重。2000年,美国运动医学院和食品联合会发表联合声明:对于特殊人群,蛋白质需要量要高于正常人,耐力运动员每天需摄入蛋白质为1.2~1.4g/kg体重;力量训练运动员每日需要摄入蛋白质为1.6~1.7g/kg体重。尽管在运动中氨基酸氧化供能比例较低(约5%),耐力运动员随运动量增加蛋白质需要量也增加,而力量运动员体内蛋白质合成长期保持在较高水平。但实际情况是因为绝大部分运动员摄入的蛋白质均超过所有的蛋白推荐标准。部分运动员需要注意合理膳食(如素食运动员和健美运动员),但是只要运动员注意合理营养,在其他热能营养素摄取充足情况下,很少有运动员缺乏蛋白质。
假如,现在有一组运动员需要通过力量练习来提高运动成绩,在运动训练方案确定的基础上,您如何考虑通过营养的手段来保障训练的效果?
A、The salutation.
B、The body.
C、The complimentary close.
D、Enclosure
A、Ref. No.
B、The Subject Heading
C、Attention Line
D、Enclosure
A、4th March, 2018
B、March 4th, 2018
C、4 March, 2018
D、4/3/2007
A、Indented Style
B、Full Block Style
C、Modified Block Style
D、Semiblock Style with Indented Paragraphs.
请同学们将正确选项的字母序号以大写的方式填入空格。比如ABC... Dear Sirs, We are (1) to buy large quantity of corn and should be (2) if you would give us a (3) per metric ton FOB Los Angels, USA and (4) the earliest date you can ship. We used to (5) corn from other sources, but we now (6) to buy from your corporation because we are given o the understanding that you are able to supply larger (7) with a special (8). Besides, we are (9) that your corn is of better quality. We look forward to hearing from you by return. Yours faithfully, A.convinced B.inform C.prefer D.quantities E.purchase F.obliged G.interested H.discount I.quotation
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