题目内容

1.2.1 The petroleum consists of organic molecules composed of ( )and ( ).

A. hydrogen
B. carbon
C. hydrocarbons
D. oil and gas

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1.2.2 The three forms of petroleum are natural gas, crude oil and asphaltum.

A. 对
B. 错

1.2.3 The petroleum is stored in the pores of the rock.

A. 对
B. 错

1.2.4 The oil production belongs to the midstream sector of the petroleum industry chain.

A. 对
B. 错

1.3.1Thetrapswhereoilandgascanbeaccumulatedrequirethreeelements.Theyare:

A. bigenough
B. aporousreservoirrock
C. asourceforoilandgas
D. anoverlyingimpermeablerock