【判断题】病毒营销一定需要通过E-mail才能传递。( )
【判断题】十进制数-29的8位补码表示为.11100010
【单选题】为了提高物流的便捷化,当前世界各国都在采用先进的物流技术,开发新的运输和装卸机械,大力改进运输方式,这体现了国际物流发展趋势中的
【单选题】We can infer from the last sentence of the passage that ______.
A.
Turnitin's anti-plagiarism software can be well-accepted by Harvard University
B.
the anti-plagiarism software may create some computer virus which is like nuclear bomb in Harvard University
C.
there must be much academic cheating in Harvard University' in Dr. Barrie's opinion
D.
Harvard University will adopt the software in a short time
【单选题】下列对液压设备中的比例控制阀描述正确的是_____。
A.
比例控制阀是一种能使所输入油液的参数随输出电信号参数的变化而成比例的液压控制阀
B.
比例控制阀是一种能使所输出电信号的参数随输入油液参数的变化而成比例的液压控制阀
C.
比例控制阀是一种能使所输出油液的参数随输入电信号参数的变化而成比例的液压控制阀
D.
比例控制阀是一种能使所输出油液的参数反馈给输入油液的液压控制阀
【单选题】如果整型变量a、b的值分别为3和1,则下列语句中循环体的执行次数是: For I=a to b step -1 Print I Next I
【单选题】We can infer from the last sentence of the passage that ______.
A.
Turuitin's anti-plagiarism software can be well-accepted by Harvard University
B.
the anti-plagiarism software may create some computer virus which is like nuclear bomb in Harvard University
C.
there must be much academic cheating in Harvard University in Dr. Barrie's opinion
D.
Harvard University will adopt the software in a short time