问题
单项选择题
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
答案
参考答案：D
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“检索储存的信息”。答案是D。