【简答题】Although secondary education is ________, parents are not required to send their children to state schools. 2. The economic situation has been worsening, causing economists to ________ whether the pre...
【判断题】限制管用方头螺栓和定位线夹固定在下面的接触线上。
【单选题】中央处理器配置高速缓冲存储器( CACHE )是为了解决:
【多选题】异喹啉类生物碱是植物体中分布较广、结构类型复杂、数量较多的一类生物碱,分为:( )( )( )( )( )。
【单选题】There are _______ apples.I think I should go to the supermarket.
【多选题】邓小平社会主义本质论断的重要意义在于( )