超声三基考试试题

1.EA3000/B5000/C15000/D18000/E20000/2AAB0CDE3.2MHzCA1/2mmB1/2cmC3/4mmD2mmE2cm4.BA3600cm/sB1540m/sC18600m/sD15400m/sE2000m/s5.(E)ABCDEAC6.EABCDE7.EA2.0-2.5MHzB2.5-3.0MHzC3.0-3.5MHzD3.5-5.0MHzE7.5-10.0MHz8.BABCDE33-59.CABCDE10.(Hz)(D)AB(mW/cm2)C(kg)DE11.AAABCDE12.BA220V,60HzB220V,50HzC110V,60HzD110V,50HzE13.EABCDE14.BABCDEM15.BABCDE16.AABCDE17.BABCDE18.EABCDE19.EABCDE20.BABCDE21.BABCDE22.EABCD5E23.?(C)ABCD24.BA23mm23.5mm24mmB24mm23.5mm23mmC23.5mm24mm23mmD24mm23mm23.5mmE23.5mm23mm24mm25.,(D)A,B3CMC2CMD1CME26.DABC10DE27.EABCDCDFIE28.2CDFI1/3DABCDE29.3534DABCDE30.CABCDE31.DABProxonCDE32.DABCDE33.DABCDE34.EABCDE35.EABCDE36.2920B.ABCDEB.37.38284010CABCDE38.271121995825127ABCDE39.27330435BABCDE40.B.ABCDE41.A.ABCDE42.B.A45B67C89D1012E141643.263DABCDE44.BABCDE45.AABCDE46.CABCDE47.EA1cmB2cmC2.5cmD3cmE3cm.48.AABCDE49.AABCDE50.EABCDE51.EABCDE52.BABCDE53.CABCDE54.CABCDE55.CABCDE56.DABCDE57.EABC3cmDE58.EABCDE59.EAB1/3C1/13DE60.BABCDE61.AA0.4cmBCDE62.CABCDE63.40.4cmCABCDE64.DABCDA+B+CE65.AABCDE66.EABCDE67.DABCDE68.BABCDE69.BA3.5cmB4.0cmC4.5cmD5cmE6cm70.EABCDE71.AABCDE72.EABCDE73.DABCDE74.CAMRIBCTCDESPECT75.EABCDE76.CABCDE77.EABCDE78.BABCDE79.AABCDE80.BABCDE81.EABCDE82.DABCDE83.4.5cmCDFIEABCDE84.DABCDE85.EABCDE86.AA58B34C45D46E87.DABCDE88.EABCDE89.CABCDE90.BABCDE91.CABCDE92.D.ABCDE93.AABEACEADEAEAE94.DABCDE95.EABCDE96.AABCDE97.AABCDE98.EABCDE99.EABCDE100.EABCDE1.1.a.b.c.d.3.4.5.6.AB1B27.8.209.10.