如同在自然科学领域有“物体运动三大定律”一样，西方先哲们也发现人类社会也有“三大定律”：第一，人是社会的中心；第二，个人利益是治理社会的基础；第三，任何政府唯一的宗旨就是保护人民创造财富和享受幸福的自由。其中，第三大定律的思想集中体现为

Complete the sentences with the given words in their proper forms(用括号中所给单词的适当形式完成下列句子)
Humans have five____ : sight, hearing, taste, smell and touch. (sense)
This building was ____ the History Museum of the state. (one)
We can develop____ reading ability through reading a page of English every day. (we)
Kodak film is retired. It was one of the most ____ colour films in the world. (succeed)
You should think twice before you make a____ . (decide)
It’s important to obey traffic rules to keep ourselves____ . (save)
It’s common knowledge that oil doesn’t ____ t with water, (mixture)
 It’s ____ a good idea to go group-buying, especially when prices go up like a rocket! (real)

阅读图文材料，并结合已学知识回答下列问题。

发源于土耳其东部山区的幼发拉底河和底格里斯河流经叙利亚进入伊拉克境内，在下游形成了著名的美索不达米亚湿地(如图)，该湿地曾孕育了两河流域的灿烂文明。但过去30年间，由于流域内水利设施的修建及湿地人为排干等，湿地面积大量减少，原有的2万平方千米湿地现已不足原来的7%。