单项选择题
A.send for B.send off C.send up D.send out
Every office has a dress code,but in today’s（）workplace...
单项选择题Every office has a dress code,but in today’s（）workplace，they aren’t always written.
A.causal B.capable C.capital D.casual
Structural traps are traps（）are formed because of a def...
单项选择题Structural traps are traps（）are formed because of a deformation in the rock layer （）contains the hydrocarbons.
A.that, that B.what,what C.what,that D.that,what
he oil（）in a source bed, and a marine shale.A.dominates...
单项选择题he oil（）in a source bed, and a marine shale.
A.dominates B.originates C.terminates D.fascinates
