![1.Theinstructionstotheamusementfacilitiesstatethatnochi...]( "1.Theinstructionstotheamusementfacilitiesstatethatnochi...")
- 问题详情：1.Theinstructionstotheamusementfacilitiesstatethatnochildshallbeallowedtooperatethemachinesunless_________________byanadult.2.Cheaperenergyconservationtechniques____________ inthedevelopedworldinthepasttenyears. 3.Aftergraduatingfromthehigh...
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