【简答题】Flying on a plane can cost a lot of money. Now is a good time to buy plane tickets ___41__ a low price. Many airlines are selling cheap tickets. A woman from a new station says ___42__ there are good ...
【单选题】线圈中通电时,电磁继电器上的衔铁带动活动触点与固定( )接通。
【单选题】当线圈中通电时,电磁继电器上的衔铁带动活动触点与固定( )接通。
【单选题】当线圈中通电时,电磁继电器上的衔铁带动活动触点与固定( )接通。
【简答题】Many cheap airlines work together with _________ companies, which often makes it cheaper to rent a car.