【单选题】水平角测量时,角值β=b-a。现已知读数a为182°33′24′′,读数b为102°42′12′′,则角值β是( )
【单选题】The dictionary still ______ where I ______ it a moment ago.
【简答题】The dictionary still__________ where I _________it a moment ago. A lies; laid B lied; lay C laid; laid D lies; lay
【单选题】The dictionary __ my father bought for me many years ago is still of great value.
【单选题】The dictionary still ______ where I had ______it before.
【单选题】The dictionary still ______ where I ______ it last Sunday.
【单选题】The dictionary _______ there a week ago is still there.