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My family used to live in _____ city of Shanghai but now have moved to _____ countryside.
11个月前
一辆客车从甲地开往乙地,3小时行了174千米.照这样的速度,还要行9小时才能到达,甲、乙两地相距多少千米?
1年前
The rescue team are considering _____ they can do more for the people _____ form the snow storm.
1年前
1年前
空间四边形ABCD中,E,F,G,H分别是 AB,BC,CD,DA的中点,若EG=FH,求AC与BD所成的角
1年前