【单选题】Of the two cups, he bought_______.
【单选题】Of the two cups, he bought one.
【单选题】Of the two cups, he bought ______.
【判断题】间接来源包括系统外部的数据和系统内部的数据。
【判断题】head lamp dimmer switch前大灯调光开关的翻译是否正确?
【单选题】Of the two cups, he bought______ one.
【单选题】下列哪一类型的泵不适宜于输送易燃易爆的有机液体( )。
【单选题】Of the two cups, he thought_____.