阅读下面短文，将短文中画线部分的句子翻译成中文
                                                                                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．____ 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．____ 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．

①坚定理想信念，把崇高的精神作为民族赖以生存和发展的灵魂

②弘扬长征精神，使其成为激励党和人民攻坚克难的决定性力量

③做好充分的思想准备，不断克服困难，勇敢的面对挫折与考验

④充分发挥主观能动性，以高度的革命热情征服自然，创造奇迹

①重新购买，不再追究   ②向消协投诉，维护权益

③提起诉讼，依法维权   ④找朋友帮忙，强求索赔