为什么从事体力劳动的人比从事脑力劳动的人每天的进食量要大？_爱下问搜题

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问题解答题

为什么从事体力劳动的人比从事脑力劳动的人每天的进食量要大？

答案

从事体力劳动，也就是说要对外做功，即要消耗比一般状态下多的能量，所以要从食物中摄取多种营养成分，糖类、蛋白质、脂肪是人体需求量最多的有机物，食物中每一类营养成分都是人体完成各项生命活动所必需的，从事体力劳动消耗的能量大，就必须从食物中摄取营养，进食量就大些，脑力劳动时需要大脑处理信息，当然这时候大脑的信息处理量较小，耗能也较少，吃的就少一些．因此体力劳动者往往比脑力劳动者每天进食量大．

故答案为：体力劳动者对外做功，消耗的能量多，相比之下脑力劳动者消耗的能量就少，从事体力劳动往往比脑力劳动的人进食量大．

完形填空

The 2018 FIFA World Cup is coming to Russia. And we’ll watch the 2022 World Cup in a small        —Qatar. But do you know the Street Child World Cup? We first watched the          games in South Africa, just before the 2010 World Cup.
For the Street Child World Cup in 2010, there were only thirteen        . One of the famous team is South Africa’s team. The team formed seven          ago. They played and
    money for kids these years. There are some other great teams, such as Brazil, India and the UK. All the players were          aged between 14 and 16.
“When people          past us, they look at us like we are dogs. They look down on (看不起) us like we are not even people, just          we eat from bins(垃圾箱).” Wanda, a     from South Africa’s team said.
The Street Child World Cup          that people can care about the street children in the world and that the game could change people’s attitude(态度) to street children.

多项选择题

中心化倾向产生的原因有（）

A、人们往往不愿意做出“极好”、“极差”之类的极端评价

B、对评价对象不甚了解，难以做出准确的评价

C、评价者对评价工作缺乏自信心

D、评价要素的说明不完整，评价方法不明确