单项选择题

We drop a piece of metal into a jar full of water, the metal will float if it weighs less than （）

A．an equal amount of silver
B．an equal amount of gold
C．all the water in the jar now
D．the water that leaves the jar

相关考题

30（）A．wayB．senseC．directionD．position

单项选择题30（）

A．way
B．sense
C．direction
D．position

In many modern countries, children go to school （）A．be ...

单项选择题In many modern countries, children go to school （）

A．be free education
B．to be able to marry
C．to work for society
D．to rid themselves of "low" work

Cleaners and farmers do （）scientists do.A．the same work...

单项选择题Cleaners and farmers do （）scientists do.

A．the same work as
B．less important work than
C．more work than
D．as important work as