GRE Text Completion Question 446

Home > GRE Test > GRE Text Completion Questions

Next steps

Source: XDF

The reduction of noise has been approached in terms of_____its sources, but the alternative of canceling noise out by adding sound with the opposite wave pattern may be more useful in practice.

  • A diffusing
  • B tracking
  • C concealing
  • D isolating
  • E eliminating

Show Answer

Previous       Next