小明在文峰大世界买了个MP5，开机后小喇叭里响起了动听的歌声，他说“是周杰伦在演唱．”他的判断是根据声音的_______不同；接着他又调节了音量按钮，这是为了改变声音的_______.

What a nice MP5! Whose is it? — It’s . My father bought me last week. What would you like for your birthday What aboutan MP5—-Oh, to tell the truth, I ______ have an I-Pad thanan MP5. What would you like for your birthday ? What aboutan MP5?—-Oh, to tell the truth, I ______ have an I-Pad thanan MP5.A．prefer Susan, whatare the advantages of MP5 players—Mom, they aresmaller and lighter ______ they can be carried very easily. Excuse me, but can you help me to repair my MP5 ?—Why not _______ your knowledge of physics _______ practice?[ ] Do you like this MP5 player, Tom—Yes. It can play beautiful music, __________it is very expensive. Dad. Could I have an MP5 like this —Certainly. We can buy ______ one, but asgood as this one. 在幻灯片中插入的声音用一个小喇叭图标表示。 插入音频后会自动出现一个小喇叭图标，如何将其隐藏？ 小喇叭更合适室外应用场景播报（） Allen, why do you like MP5 players so much—Mom, they are smaller and lighter they can be carried very easily. －What wouldyou like for your birthday What about an MP5 －Oh, to tell the truth, I ______ have an I-Pad than anMP5. 牵牛花对于小喇叭相当于（）对于（） Allen, why do you like MP5 players so much – Mom, they are very smaller ______ I can carry them easily. would you please buy me an MP5 player — If you can help do some housework the whole vacation, you ____have one as a reward Thank you for lending me your MP5 player. Can Ireturn it to you next Monday—–________. I’ve bought a new one. Mum, would you please buy me a MP5 player—If you can help do the dishes the whole vacation，you have one as a reward would you please buy me an MP5 player— If you can help do some housework the whole vacation，you ____ have one asa reward Mum, would you please buy me an MP5 player?—If you can help do the dishes the whole vacation, you ________ have one as a reward. Mum, would you please buy me an MP5 player? — If you can help do the dishes the whole vacation, you ______ have one as a reward.