无线通信消防员呼救器的无线发射接收距离大于900米。
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Whichofthefollowingsentencesisthemostproper?______
提出“只有忠实于事实，才能忠实予真理”观点的是（）
Itisobvioushowbadmovieswillimpact________children.
Wewill______youassoonasthenewcropcomestothemarket.
Shouldyourprice______reasonable,wewillplaceanorder______you.
