题目

A. 请根据中文提示, 写出句中所缺的单词, 使句子通顺。【1】Mr Green told me to go and get some colour ________ (粉笔) from the next classroom.【2】His________ (年纪较长的) sister is a manager in a restaurant.【3】________ (突然), he shouted at me but I didn't know why.【4】Most college students hope to work in big________ (公司)like “HUAWEI”.【5】About ten thousand people________ (回答)to this question on the Internet yesterday.已知函数，其中a为常数．（Ⅰ）若f（x）在（0，1）上单调递增，求实数a的取值范围；（Ⅱ）求证：D．