— What's it in the bottle?
— It is full of water.
A:is interested in
B:is friendly to
C:is filled with
把一根长2.4米的长方体木料锯成5段,表面积比原来增加了96平方分米,这跟木料原来的体积是多少立方分米?
计算:x+523x÷(x+5)•6xx+5.
下列设备工作时,接收但不发射电磁波的是( )