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【单选题】
Mary works very ___________. [ ]A.
hard
B.
hardly
C.
harder
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举一反三
【单选题】Which of the following characteristics is not indicative of an enterprise qualifying as a primary beneficiary with a controlling financial interest in a variable interest entity?
A.
The power to direct the most significant economic performance activities.
B.
The power through voting or similar rights to direct activities, which significantly impact economic performance.
C.
The obligation to absorb potentially significant losses of the entity.
D.
No ability to make decisions about the entity's activities.
E.
The right to receive potentially significant benefits of the entity.
【多选题】重点单位大门相关技术手段与防范功能应包括如下内容（）。
A.
物理设备及电子设备配备
B.
选用远距离读卡设备、访客登记系统
C.
阻挡非法闯入的车辆
D.
报警并阻拦非授权人员的进出
E.
突发事件报警
F.
控进出车辆的顶部与底部
【单选题】在微机的配置中常看到”p4 2.4G”字样,其中数字”2.4G”表示( )
A.
处理器的运算速度是2.4GIPS
B.
处理器的时钟频率是2.4GHZ
C.
处理器与内存间的数据交换速率是2.4GB/S
D.
处理器是pentium4第2.4代
【单选题】When the tilting box of a variable stroke axial-piston pump is perpendicular to the pump shaft, which of the following conditions will exist?
A.
The pistons reciprocate
B.
The ‘B’ end cylinder barrel rotates
C.
There is no fluid flow
D.
Power is transmitted hydraulically
【多选题】Which statements concerning the value of a member variable are true， when no explicit assignments have been made？（）
A.
The value of an int is undetermined.
B.
The value of all numeric types is zero.
C.
The compiler may issue an error if the variable is used before it is initialized.
D.
The value of a String variable is "" （empty string）.
E.
The value of all object variables is null.
【多选题】重点单位大门相关技术手段与防范功能应包括如下内容( )
A.
物理设备及电子设备配备
B.
选用远距离读卡设备、访客登记系统
C.
阻挡非法闯入的车辆
D.
报警并阻拦非授权人员的进出
【多选题】车辆段的主要功能有()
A.
列车的停放、日常检查、清扫；
B.
车辆的修理，包括月修、定修等；
C.
车辆的技术改造；
D.
段内设施设备的维护管理；
E.
乘务员的组织管理；
【单选题】Given: Which statement is true about the class of an object that can reference the variable base? （）
A.
It can be any class.
B.
No class has access to base.
C.
The class must belong to the geometry package.
D.
The class must be a subclass of the class Hypotenuse.
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