A．noiseB．soundC．musicD．bell

The PRIMARY function of a waste heat boiler is to _____.A.reduce engine exhaust noiseB.red

【37】A．lookB．soundC．seeD．watch

回答（55）题 查看材料A.noiseB.sounDC.musiCD.bell

All the following can damage hearing EXCEPT______.A．excessive noiseB．too much moderate noi

People always like to hear （), while dislike criticism.A、musicB、soundC、noiseD、compliment

____________, they immediately left the house.A、Being heard the noiseB、Hearing the noise