Mr Brown saw a sweater in a shop window. It was very cheap, so he bought it. When he got home, he put it on. It was all right and he was pleased with it.
   In the afternoon, he went to work in his garden. It soon began to rain and Mr Brown had to run into the house. He ran quickly, but he still got wet. Then his sweater started to shrink(收缩)! It got smaller and smaller. Mr Brown tried to take it off, but he couldn't.
In the end, with the help of his wife, he got out of the sweater. Mrs Brown laughed, “You see, you bought a cheap thing, but…”

政府权威是指政府在履职过程中形成的威望和影响力。下列有助于提升我国政府权威的是（    ）

①政府大量增加物质资源的投入

②政府工作人员重品行、作表率

③政府不断减少行政办公经费

④政府及其工作人员有良好的业绩