【单选题】—Are these pens ? —Yes, _____. [ ]
【简答题】—______ any students in the classroom when the earthquake happened? —Yes, but they have been saved. A. There were B. Was there C. There are D. Were there 2. —I’m hungry. ______ there any bread in the ...
【多选题】关于当需求增加且供给减少时的表现,表述不正确的是( )。
【单选题】单项选择。 In the tree many birds. [ ]
【简答题】水泥在凝结硬化过程中体积变化的均匀性称为( )
【单选题】One of the boys_____ a black hat. A have B there is C there are D has
【单选题】________ some sports news in today's newspaper. [ ]
【单选题】当需求增加而供给减少时,对均衡的影响是:
【单选题】当商品的需求增加,供给减少时,该商品的均衡数量将( )。
【多选题】关于当需求增加且供给减少时的表现,表述正确的是( )。