题目

B. 阅读短文，捕捉信息，根据短文内容完成文后的句子，并将答案填写在答题卡上的指定位置。 World Sleep Day, observed on 21 March, was created to bring attention to the growing number of sleep problems worldwide. Sleep is a natural part of human life, but many people in the modern world don’t realize it’s important. As a result, sleep problems are increasingly common. In 2011, scientists at the University of Athens in Greece did a survey of over 35,000 people in 10 countries around the world, including China, Belgium and South Africa. Among th 设函数f(x)＝lnx－p(x－1)，p∈R． (Ⅰ)当p＝1时，求函数f(x)的单调区间； (Ⅱ)设函数g(x)＝xf(x)＋p(2x2―x―1)，(x≥1)，求证：当p≤－时，有g(x)≤0成立．