The noise ____to be just the dogs fighting for a bone in the courtyard.
A.made out
B.worked out
C.rang out
D.turned out
A.made out
B.worked out
C.rang out
D.turned out
What is most noise pollution damage concerned with?
A.Objects.
B.Intensity.
C.Rate.
D.Frequency.
According to the passage, an active noise-cancellation system______.
A.contains noise rather than negates it
B.eliminates noise rather than muffles it
C.deflects noise rather than baffles it
D.holds noise hack rather than stifles it
The machine will continue to make much noise we have it repaired.
A.when
B.because
C.if
D.unless,
Where is the noise pollution most serious according to the passage?
A.In streets.
B.In airports.
C.In subway stations.
D.In concerts.
He couldn't ______ with the noise in the room.
A.put on
B.put across
C.put up
D.put off