He has no ideawhat the book is aboutHehave read it very carefully

It’s based on the idea ______ all people are treated equal, ______ is accepted by most people. [ ]

依次填入下列各句横线处的词语，最恰当的一项是（ ） ①有这么一个规律，在所有第三世界发展国家中，工业和农业是互相________、互相支援的两大国民经济部门。②你别看他穿得挺邋遢的，和他交往久了，你就会发现其实他是个蛮有_______的人。③过年了，孩子们都非常喜欢到“七大姑、八大姨”什么的家里去________，真是快乐得很。

This method must be effective ,for I’ve seen it ____ jobs by many different people.

_____________________—Good afternoon, Cindy.