从“Waiting for PIN”与“Validating PIN”之间的转换需要经过（ABCD）事件 A: PIN Entered B: Validate PIN C: Invalid PIN D: Invalid PIN Prompte

Their marriage is declared ______. A: ineffective B: invalid C: in vain D: empty

中国大学MOOC: A late acceptance must be invalid and have no binding on the offeror.

The vote was declared ____due to a technicality. A: invalid B: infinite C: inherent D: intelligible

常见的CLI错误信息% Invalid input detected at ‘^’ marker.的含义是什么？

开机后，屏幕上显示：“Invalid partition table”，表示硬盘硬件故障

There is an “invalid” region between the input ranges for logic 0 and logic 1 A: 对 B: 错

The<br/>treaty was declared _____ because it had not been ratified.() A: valid B: invalid C: acceptable D: convincing

It would be imprudent to ______ all your money in one company. A: invest B: invent C: invade D: invalid

The incorrect way to restore the power supply during the ship's voyage and stop the prime mover is . A: Quickly close the switch for power supply B: First start the first backup generator to supply power C: When invalid, start the second backup generator D: Start the emergency generator when B and C are invalid