翻译(根据中文提示完成句子)。

   Of all the things we eat and drink，water is the1important.The human body can go2 food for a long time，but two3three days without water could make people4.
   A lot of people don't understand how5water the human body needs6well and many people don't drink enough，esecially in7weather. Most people drink8they are thirsty but in fact they need more water，expecially when they take9.A man's body is 65 to 75 percent of10. If we don't have enough water. We fell tired and may become ill.

【关注“十三五”共享发展成果】2016年是“十三五”开局之年，老百姓关注“十三五”，也期待“十三五”，老百姓的诉求是“十三五”着力解决的最突出的问题。运用所学知识，完成下列问题。

①原子数目  ②原子的种类  ③分子数目  ④分子的种类   ⑤元素的种类  ⑥物质的总质量  ⑦物质的种类．

在妈妈的精心呵护下，婷婷从一个受精卵发育成青春美少女（如图），其中说法正确的是（    ）