【单选题】某工程为了赶进度,质量上出现问题这是( )。
【简答题】磁感应强度B与( )有关,计算比较复杂。为了使运算简便,引入一个新的辅助计算量——( ),用字母( )表示。磁场中某点的磁场强度等于该点的( )与( )的比值。磁场强度是( )量,它的方向与该点磁感应强度的方向( )。
【单选题】Fortunately, with the help of some local villagers, rescuers were able to gain ________ to the disaster-hit area soon enough.
【简答题】Some local ____ were angry at the building of a hospital
here.A. residents B. advisors C. concepts D. laundries
【单选题】Some local ____ were angry at the building of a hospital here.