第1题: [单项选择]It is not as difficult to store information as it is to ______ it quickly when it is wanted again. A. represent B. retain C. restore D. retrieve 参考答案:D 答案解析:[解析] represent描述;描画;意指。retain保留;保持;保有;维持。restore拿回原处,恢复原状;复旧。 retrieve取回,恢复。retrieve information检索储存