题型:选择题 ____ a cure for the disease , very few advances have been made in the last few years ..A.ConsideringB.RegardingC.SupposingD.Providing 查看答案
题型:选择题 I don't mind picking up your things from the store.___ _, the walk will do me good. [ ]A. Sooner or later B. Still C. In time D. Besides 查看答案
题型:选择题 风速仪的简易装置如图(甲)所示,风杯在风力作用下带动与其固定在一起的永磁铁转动,线圈中的感应电流随风速的变化而变化。风速为v1时,测得线圈中的感应电流随时间变化的关系如图(乙)所示;若风速变为v2,且v2<v1则感应电流的峰值Im和周期T的变化情况是 A.Im变小,T变小B.Im变小,T变大C.Im变大,T变小 D.Im变大,T变大 查看答案