填空题
{{B}}Part A{{/B}}
{{I}} You will hear a passage about the Kansas City computer system. Listen and complete the sentence in questions 6-10 with the information you' ve heard. Write not more than 5 words in each numbered box. You will hear the recording twice. You now have 25 seconds to read the table below.{{/I}}

填空题 Noise is America' s most widespread ______ .
填空题 Noise constitutes a real and present danger to ______ .
填空题 Noise can produce serious ______ stress.
填空题 Legislators have made ______ the basis of many noise reducing programs.
填空题 The more subtle and more serious ______ have been given much less attention.