宋太祖赦令子孙不得诛杀文人，他的助手赵普更有“半部论语治天下”的美谈，“万般皆下品，唯有读书高”的口号也是宋代提出来的。对此合理的解释是宋代统治者（    ）

大量排放以CO₂为主的温室气体会导致全球气候变暧已得到公认，控制大气中CO₂含量刻不容缓。

根据短文内容简要回答下列问题。

    Do you like drinking coke, coffee, juice or milk? Do you often drink them instead of water? However, of all the things we eat and drink, water is the most important. Not all of us understand this but it is quite true. Human body can go without food for a long time, but two or three days without water usually makes people die.

    Many people do not understand how much water the human body needs to work well. What is true is that many people do not drink enough, especially in hot weather. Most people drink only when they are thirsty but often need more water after they take exercise.

    Does anyone know what is the 65%-75% of human body? It is water. If we do not have enough water, we will feel tired and become ill. So, do you know what the best drink is? It's water.

读“地上河”示意图，该图所示的景观，出现在（  ）