【单选题】The teacher said that__ of the boys would take part in the talent show.
【简答题】Many people have invited her to perform since she became famous in the Talent Show.(改为被动语态) She ____ ____ invited her to perform since she became famous in the Talent Show.
【判断题】注册在先是指品牌或商标的专用权归属于依法申请注册并获准的所有企业。 ( )
【判断题】对图示结构中的BC段杆作弯矩图时,叠加法是不适用的。( )
【判断题】对图示结构中的 BC 段杆作弯矩图时,分段叠加法是不适用的。( )