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My sister and I felt ____ because it was the first time we t
1年前
甲船在河道内航行的速度为18km/h,从A地出发半小时后,乙船以7m/s的速度也由A地出发沿同一河道同向行驶.求:
1年前
the reason they didn't go to see the house is ____ they pref
1年前
Tom didn't have breakfast yesterday.中要求意思不变是否可以把“didn't have
1年前
一根铁丝正好围成一个长32厘米,宽18厘米的长方形.如果用这根铁丝围成一个正方形,那么这个正方形的边长是多少厘米?
1年前
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