【单选题】Mary is my best friend.She teaches English in ___ ___ school.
【单选题】give your mom my best regards!
【判断题】金属电阻应变片的工作原理是基于压阻效应,半导体电阻应变片的工作原理是基于电阻应变效应。
【单选题】My best friend, Tom, should ______ me ______ to my boss, which hurt me deeply.
【单选题】Please give my best ______ to your family.
【简答题】什么是金属的电阻应变效应?什么是压阻效应?两者有何异同?
【单选题】_______ are my best friends, Betty, Mary andLily. [ ]
【单选题】Please give my _____ to your teachers.