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【单选题】
在Java中，所有类的根类是( )。
A.
javlanObject
B.
javlanClass
C.
javappleApplet
D.
javawFrame
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】The author perceives as weaknesses of the Kyoto Protocol except _________.
A.
its short-sighted nature
B.
international compliance with its provisions
C.
its underlying theory and plans for achieving goals
D.
the lack of equity in the terms assigned to developed and developing nations
【单选题】关于Windows的描述中，错误的是
A.
启动进程的函数是CreateProcess
B.
通过GDI调用作图函数
C.
可使用多种文件系统管理磁盘文件
D.
内存管理不需要虚拟内存管理程序
【单选题】如果发送者利用自己的私钥对要传送的数据实现加密，接收者以发送者的公钥对数据进行解密，这种技术能够实现______。
A.
数字签名
B.
防止篡改
C.
数据加密
D.
以上都能实现
【单选题】The police are _________ the records of all those involved in the crime.
A.
coming through
B.
looking into
C.
making over
D.
seeing to
【单选题】The terrorist group is still looking to _________ itself on its attackers.
A.
revive
B.
retort
C.
revenge
D.
reproach
【单选题】香农定理从定量的角度描述了“带宽”与“速率”的关系。在香农定理的公式中，与信道的最大传输速率相关的参数主要有信道带宽与
A.
频率特性
B.
信噪比
C.
相位特性
D.
噪声功率
【单选题】The last sentence of the passage _________.
A.
outlines the scheme for the future and the present
B.
presents the difficulties in understanding history
C.
focuses on the perspectives from which past events are interpreted
D.
emphasizes the influence of history on the present and the future