试题与答案

矿井常见的提升系统有()。A.立井箕斗提升系统 B.立井普通罐笼提升系统 C.斜井箕

题型:多项选择题

题目:

矿井常见的提升系统有()。

A.立井箕斗提升系统

B.立井普通罐笼提升系统

C.斜井箕斗提升系统

D.斜井串车提升系统

答案:

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What makes us who we are? This question has two different answers. One is the environment that surrounds us when we grow up, and the other is our genes (基因). In English, this is called the “nature vs nurture debate(辩论)”. Nature means genes, and nurture means environment, including the people around you.

There is a famous saying: “Give me a child until the age of 7 and I’ll show you the man.” Now, there is a scientific research to support this famous saying.

They watched small birds in new environments, and wrote down how much they explored(探索). Birds that grew up with very outgoing birds were more outgoing themselves. Scientists at the universities of Exeter, UK and Hamburg, Germany did studies on birds. They found that their personalities(个性) were affected most by the birds around them when they grew up – more so than genes.

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