[单选题]If a person is exposed to constant noise， he may gradually( )from a loss of
[单选题]If a person is exposed to constant noise， he may gradually( )from a loss of
[名词解释] hearing threshold
[单选题]H．earing the dog barking fiercely, away ______.A． fleeing the thief B. was fleeing the thief C. the thief was fleeing D. fled the thief
[单选题]H．earing problems may be alleviated by changes in diet and exercise habits.A．removedB．curedC．worsenedD．relieved
[名词解释] conductive ehearing loss
[单选题]______ the story how he lost his hearing.A． Everyone knowsB． Edison himself liked to tellC． No one knowsD． Edison himself disbelieved
[问答题]()I look forward to hearing from you.
[问答题]I look forward to hearing from you.
[单选题]［A］ audio ［B］ aural ［C］ hearing ［D］ listening