题目

首字母填空【1】Twitter launched several campaigns to a__________ some charity events, like helping to build classrooms in Tanzania.【2】The handwritten and illustrated book by J. K. Rowling was u__________ sold for £ 1. 95 million, although it had been expected to be sold for £ 50,000.【3】James MacDonald wrote to an institution because he was looking for s__________ who could donate money to a charity project. And in return they can gain positive publicity.【4】The radio presenter was confused by Emma’s idea of teenagers’ three powers over politics, for it sounds quite abst大于3%而小于5%的百分数有（　　）A．1个B．2个C．10个D．无数个