光的相干条件是光矢量振动的()
Herfatherleftherallhismoneywhenhedied,whichmadeherfinancially_(dependent)
We______togotothesupermarketbecausewehadplentyoffood.
一个物体在x轴上作直线运动，位置随时间变化的关系为x=2+4t2(SI)，则t=2s时物体加速度大小为____________m/s2
Weallknowaboutthe_____thatsmokingcandotoourhealth.
