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“坐地日行八万里”,坐地日行”实际指的是地球的_________(运动),“八万里”指的是_____ ____。
1年前
1年前
The passengers’ (乘客) families were________to keep calm as soon as they heard the bad news.
1年前
The best times to visit Shangri-la are spring and autumn ___ the temperature is at its mildest.
1年前
甲、乙两物体从同一点出发且在同一条直线上运动,它们的位移-时间(x-t)图象如图所示,由图象可以得出在0-4s内()
1年前