Many businesses ship their products by rail if they are shipping longdistance because it can be（ ）to ship in largequantities by rail than by truck.

[单选题]Many businesses ship their products by rail if they are shipping long dista

[单选题]The shipping papers for the products being carried in your tanker are NOT required to contain the（）.A . exact quantity of the cargoesB . grades of the cargoesC . location of the delivery point(s)D . name of the consignee(s)

[单选题]The ship called at many ________ last voyageA．countryB．countriesC．countrysD．countryses

[单选题]Structural stress on a ship can be reduced by（）.A . lessening the effect of environmental forcesB . even and symmetrical variable loadingC . local concentration of heavy consumablesD . increasing the metacentric height

[单选题]The pumps employed on board ship can be divided into two main categories ie（） pumps and centrifugal pumps.A . gearB . nonpositive displacementC . positive displacementD . rotary

[单选题]（） into the cylinder because no fuel can burn （） it.A . Air must be admitted；withoutB . Oil must be injected；withoutC . Air must be admitted；withD . Oil must be injected；with

[单选题]We can use energy from the sun because ______.

[单选题]Signs can carry as many _________ as words.A．questions B.examples C.tears and smiles D.messages

[主观题]1 like cleaning the bike because I can be outside．（对划线部分提问）_________ _________ you like cleaning the bike?

[单选题]( ) are bound morphemes because they can not be used as separate words.A.Ro