中学生网络课堂本课配套习题挑战模式1/5
下列不是利用声传递信息的是（ ）
| A: 远处隆隆的雷声预示着可能有一场大雨 |
| B: 用超声波击碎人体内的结石 |
| C: 医生利用B超观察人的身体状况 |
| D: 有经验的人选瓷碗总是敲一敲 |
- 提示1：PHA+5aOw6Z+z5Y+v5Lul5Lyg6YCS6IO96YeP77yM5Lmf5Y+v5Lul5Lyg6YCS5L+h5oGv77yb5qC55o2u6aKY55uu5omA57uZ5YW35L2T5LqL5L6L77yM5YiG5p6Q5LiO5L+h5oGv5pyJ5YWz55qE5YaF5a65PC9wPg==
- 答案：Qg==
PHA+QeOAgemahumahueahOmbt+WjsOWPjemmiOe7meS6uuS7rOS4gOS4quS/oeaBr++8jOWNs+WwhuimgeS4i+mbqOS6hu+8jOS4jeespuWQiOmimOaEj++8mzxicj5C44CB5Yip55So6LaF5aOw5rOi5o6S6Zmk5Lq65L2T5YaF55qE57uT55+z5piv5Yip55So5aOw6Z+z6IO95Lyg6YCS6IO96YeP77yM56ym5ZCI6aKY5oSP77ybPGJyPkPjgIHljLvnlJ/liKnnlKhC6LaF6KeC5a+f5Lq655qE6Lqr5L2T54q25Ya177yM5piv5Yip55So5LqG5aOw6Z+z5Lyg6YCS5L+h5oGv77yM5LiN56ym5ZCI6aKY5oSP77ybPGJyPkTjgIHmnInnu4/pqoznmoTkurrpgInnk7fnopfmgLvmmK/mlbLkuIDmlbLvvIzmmK/pgJrov4flo7Dpn7PnmoTpn7PoibLliKTmlq3nk7fnopfmmK/lkKbmnInoo4LnvJ3vvIzmmK/liKnnlKjlo7Dpn7PkvKDpgJLkv6Hmga/vvIzkuI3nrKblkIjpopjmhI8uPGJyPuaVhemAiUI8YnI+PC9wPg==
本课配套习题挑战模式2/5
人们利用岩层发生形变时的地声异常来预报地震，这是利用了（ ）
| A: 固体传播声音快 |
| B: 固体不能传播声音 |
| C: 无线电波能在真空中传播 |
| D: 固体传播声音传播得慢 |
- 提示1：PHA+6Kej562U5q2k6aKY5bqU5piO56Gu6aKY55uu55qE6KaB5rGC77yM5Yip55So5bKp5bGC5Y+R55Sf5b2i5Y+Y5pe255qE5Zyw5aOw5byC5bi45p2l6aKE5oql5Zyw6ZyH77yM5piv5Yip55So5aOw6Z+z55qE5ZOq5Liq55+l6K+G54K5LiDnhLblkI7lr7nlkITkuKrpgInpobnpgJDkuIDliIbmnpDljbPlj688L3A+
- 答案：QQ==
PHA+77yIMe+8ieWyqeWxguWPkeeUn+W9ouWPmOaXtuS8muS6p+eUn+WjsOmfs++8jOWyqeWxguaYr+WbuuS9k++8jOS8oOaSreWjsOmfs+eahOmAn+W6puavlOi+g+W/q++8jOS+v+S6juS6uuS7rOagueaNruWcsOWjsOeahOW8guW4uOadpemihOaKpeWcsOmch++8jOaVhUHmraPnoa7vvIxCROmUmeivr++8mzxicj7vvIgy77yJ5bKp5bGC5Y+R55Sf5b2i5Y+Y5pe25Lqn55Sf55qE5LiN5piv5peg57q/55S15rOi77yM5pWFQ+mUmeivry48YnI+5pWF6YCJQS48L3A+
本课配套习题挑战模式3/5
| A: 做B超可以诊断身体健康情况 |
| B: 渔民通过向鱼群发出声波探测，可以了解鱼群的大小 |
| C: 医生用超声波给病人清洁牙结石 |
| D: 用超声波探测铁轨是否有“伤痕” |
- 提示1：IOWwseS8oOmAkuS/oeaBr+adpeivtO+8jOWjsOmfs+acieKAnOWjsOWRkOKAneeahOWIqeeUqOOAgeWMu+eUqOKAnELotoXigJ3nrYnvvIzlsLHkvKDmkq3og73ph4/mnaXor7TvvIzlo7Dpn7PmnInigJzotoXlo7Dms6Lnoo7nn7PigJ3vvIzotoXlo7Dms6Lnu5nnl4XkurrmuIXmtIHniZnpvb/nrYku
- 答案：Qw==
5Yip55So6LaF5aOw5rOi5Lyg6YCS5L+h5oGv55qE5L6L5a2Q5b6I5aSa77ya5aaC5YGaQui2heWPr+S7peiviuaWrei6q+S9k+WBpeW6t+aDheWGteOAgea4lOawkemAmui/h+WQkemxvOe+pOWPkeWHuuWjsOazouaOoua1i++8jOWPr+S7peS6huino+mxvOe+pOeahOWkp+Wwj+OAgeS7peWPiueUqOi2heWjsOazouaOoua1i+mTgei9qOaYr+WQpuacieKAnOS8pOeXleKAnemDveaYr+WIqeeUqOi2heWjsOazouS8oOmAkuS/oeaBr+eahOS+i+WtkC4gPGJyPuiAjOWMu+eUn+eUqOi2heWjsOazoue7meeXheS6uua4hea0geeJmee7k+efs+aYr+WIqeeUqOi2heWjsOazoueahOegtOeijuiDveWKm+S8oOmAkuiDvemHjy4g5pWFQUJE5LiN56ym5ZCI6aKY5oSPLiA8YnI+5pWF6YCJQy4g
本课配套习题挑战模式4/5
人们倾听地声，利用岩层发生形变时的地声异常来预报地震，这是利用了（ ）
| A: 固体能够传播声音 |
| B: 固体比较坚硬，振动强烈 |
| C: 空气能够传播声音 |
| D: 固体传播振动均匀 |
- 提示1：PHA+5qC55o2u6aKY55uu6KaB5rGC77yM5Lq65Lus6IO95aSf5YC+5ZCs5Zyw5aOw77yM6L+Z5piv5Yip55So5LqG5Zu65L2T6IO95aSf5Lyg5pKt5aOw6Z+z6L+Z5LiA54m554K5PC9wPg==
- 答案：QQ==
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
本课配套习题挑战模式5/5
| A: 超声波倒车报警器判断车后障碍物的位置 |
| B: 利用声呐探测鱼群 |
| C: 利用声呐探测海深 |
| D: 用超声波清洗钟表等精细机械内的污垢 |
- 提示1：IOWjsOmfs+iDveWkn+S8oOmAkuS/oeaBr+WSjOiDvemHjw==
- 答案：RA==
5aOw6Z+z5Y+v5Lul5Lyg6YCS5L+h5oGv5Lmf5Y+v5Lul5Lyg6YCS6IO96YeP77ybPGJyPui2heWjsOazouWAkui9puaKpeitpuWZqOWIpOaWrei9puWQjumanOeijeeJqeeahOS9jee9ru+8jOWIqeeUqOWjsOWRkOaOoua1i+mxvOe+pO+8jOWIqeeUqOWjsOWRkOaOoua1i+a1t+a3se+8jOi/memDveaYr+mAmui/h+WbnuWjsOaJgOaQuuW4pueahOS/oeaBr+adpeWIpOaWreeJqeS9k+eahOS9jee9ru+8jOWxnuS6juWIqeeUqOWjsOmfs+S8oOmAkuS/oeaBr++8mzxicj7nlKjotoXlo7Dms6LmuIXmtJfpkp/ooajnrYnnsr7nu4bmnLrmorDlhoXnmoTmsaHlnqIuIOi/meivtOaYjuWjsOmfs+iDveS8oOmAkuiDvemHjy4gPGJyPuaVhemAiUQuIA==
