— Patti, you see, Shenzhen is known for its styles of buildings.
—So everybody says that it is a museum of buildings.
A: is familiar with
B:is aware of
C:is famous for
﹣2015的绝对值是( )
如图所示,当开关S断开和闭合时,电流表示数比是1:4,则电阻R1和R2之比是( )
I often____ (watch)TV programmes.
一Oh,I only have one neighbor.He's Mr Smith.
证明某溶液只含有Fe2+而不含有Fe3+的实验方法是 ( )