— Tim, how do your parents like pop music?
— _____ my dad ______ my mom likes it. They both prefer classical music.
A:Either; or
B:Neither; nor
C:Not only; but also
____和____,统称聚落。
在“测定额定电压为2.5V的小灯泡的功率”实验中:
若分式x2-9x-3的值为0,则x的值是( )
物理知识在生活和生产中应用很广,紫砂茶壶(如图所示)就是其中一例.紫砂茶壶在倒茶水时所应用的物理知识是( )