The phrase “petrol-guzzling vehicles” implies that the major drawback of these vehicles is: 
The word “figures” in “the three researchers' figures suggest that the…” means: 
The action implied in “If they do not” is: 
The main purpose of Text I is to 
According to Text I, workers in the oil industry can be expected to bear all of the following working conditions, EXCEPT 
According to Text I, employers in the oil industry usually 
In Text I, the idea stated in italics corresponds to the meaning expressed by the boldfaced verb phrase in 
Based on the meanings in Text I, the two items that express synonymous ideas are 
The fragment “frostbite isn’t fun, neither is heat stroke” (line 66) refers to the fact that the 
In the fragment “The oil industry is a lot like the military in that it employs people in nearly every profession.” (lines 11-13) the expression in that can be replaced, without changing the meaning of the sentence, by 