BeforetheSmithsmovedtoNewYork,theylivedinaquiet___(neighbor)ofBoston.
在夫琅禾费单缝衍射实验中，对应予屏上第一级暗条纹，单缝处波阵面被划分为半波带的数目是（）
Itwas________ofyounottodisturbuswhileweweresleeping
Expertshavefoundthatnormalsleepcanbedividedintofive______stages
Whatshesays_________littlerelationtowhatsheactuallydoes.
