GRE Text Completion Question 2383
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Source: Kaplan
The Wankel rotary engine was an engineering marvel that (i)_____ automobile exhaust emissions, but because it was less fuel efficient than the standard piston-cylinder engine, it was (ii)_____ in the early 1970s when (iii)_____ pollution gave way to panic over fuel shortages.
| Blank(i) | Blank(ii) | Blank(iii) |
|---|---|---|
| A depended totally on | D necessitated | G ignorance of |
| B preceded the problems with | E conceived | H espousal of |
| C substantially reduced | F abandoned | I preoccupation with |