若抛物线y=(m-1 )x|m|-1开口向下,则m的值为( )。
-3
给下列划线字注音。
拮据( ) 栈( )桥 褴褛( ) 牡蛎( )
阔绰( ) 于勒( ) 变更( ) 煞白( )
读对话,排顺序。
( ) Good. Go down this street and turn left. There's the hotel.
( ) Yes. Here it is!
( ) Excuse me!
( ) Can you help me? I'm lost. Where's the hotel?
( ) Do you have a map?
( ) Thanks.
( ) Yes?
( ) You're welcome.