广义的信息检索包括信息（）与信息（）两个部分。
参考答案：存储；检索
以下不属于物权法基本原则的是()。
A.物权法定原则
B.一物一权原则
C.物权公示原则
D.责权利相统一原则
In the past few years, __________much improvement in the traffic.
A．there has been
B．there has had
C．there have been
D．there had been
