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How Much Water Is Needed a Day?

Many people think they should drink eight glasses of water a day．Why? Because that is what they have been told all their life．But a new report on science gives some different suggestions：people should drink according to their bodies．112．They should drink as much water as they would like to drink．

The report says most people meet their daily needs for water by letting thirst be their guide．It also gives people some good suggestions：women should get about 2.7 liters（升）of water every day，while men should get about 3.7 liters．

There is an important difference．113．The report doesn’t tell people how many glasses of water to drink．Instead，the experts say it may not be possible to know how many glasses people really need．This is because the daily want of water can include the water in foods．

干式电抗器精益化评价细则中电抗器需要装设围栏要求围栏完整，高度应在1.7米以上；围栏底部应有（）。

A.接地线

B.排水孔

C.绝缘隔板

D.固定螺栓