Our geography teacher told us to _____ more information about our city and share it next week.
A:find out
B:keep away
C:turn off
D:use up
枝条都由____发育成的.
下列图例表示不正确的是( )
— name is Lucy.
如图,一次函数y=﹣x+3的图象与反比例y= kx (k为常数,且k≠0)的图象交于A(1,a),B两点.