0ur jumbo boom（）out of use for a long

1、A facility used for the discharge of a

A facility used for the discharge of a cargo of a particular hazard，such as chlorine，butane or ethane，must have what to warn water traffic ...

2、This piece of （） is long enough for yo

This piece of （） is long enough for you to make a shirt.AclothBclothesCclothingDsuit

3、If the engine （） for a long period, th

If the engine （） for a long period, there will be a danger of frost.Amust to stand inoperativeBhas to stand inoperativeCmust be stood idleDwill stand idle

4、I am sorry （） waiting for a long time.

I am sorry （） waiting for a long time.Ato keeping youBto kept youCto have kept youDkept you

5、A long pole with a hook at one end，use

A long pole with a hook at one end，used to reach for lines，is known as a（）.Apike poleBjack staffCline rodDhooker

6、For pumping the bilges，a 54 foot long

For pumping the bilges，a 54 foot long “T-Boat”，which is not a ferry，but is certificated to carry 30 passengers，must be fitted with at lea...