【简答题】It took three months for the two companies to reach an (agree) _____
【判断题】为防止PCB铜焊盘被氧化,焊盘表面要进行涂保护层处理。( )
【单选题】各观察值均乘以一个不等于1的数,下列判断正确的是
【单选题】It was a bloody ________ between the two armies.
【简答题】From the text the two robots’designers agree that_____.
【单选题】The two armies ______outside the town.