Any piece of metal on becoming magneti

1、We drop a piece of metal into a jar fu

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 silverB an equal amount of goldC all the water in the jar nowD the water that leaves the jar

2、A metal ring on the bottom of a block，

A metal ring on the bottom of a block，to which the standing part of a tackle is spliced，is known as a(n)（）.AbecketBloopCswivelDeye

3、The capacity of any liferaft on board

The capacity of any liferaft on board a vessel can be determined by（）.Aexamining the Certificate of InspectionBexamining the plate on the outside of the raft containerCreferring to the station billDreferring to the shipping article

4、A metal object on the pier resembling

A metal object on the pier resembling a tree stump and made to receive mooring lines is a（）.AbightBbollardCchockDcamel

5、Which two pieces of&

Which two pieces of information are needed when declaring the web resource collection i...

6、What three pieces of

What three pieces of information can be used in an extended access list to filter...