GRE Text Completion Question 502
Home > GRE Test > GRE Text Completion Questions
Next steps
- Use your browser's back button to return to your test results.
- Do more GRE Text Completion Questions.
Source: XDF
The insecticide proved_____; by killing the weak adults of a species, it assured that the strong ones would mate among themselves and produce offspring still more_____to its effects.
Blank(i) | Blank(ii) |
---|---|
A cruel | D hostile |
B counterproductive | E vulnerable |
C necessary | F resistant |