A．noiseB．soundC．musicD．bell

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

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【37】A．lookB．soundC．seeD．watch

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

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

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

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

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55._________A. noiseB. soundC. musicD. bell

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