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Several months ago, a couple with a little girl moved in next door to me.
1年前
我国首款大型水陆两栖飞机“鲲龙”AG600如图所示,已知飞机空载质量为41.5t,最大巡航速度500km/h,该飞机蓄满水后总质量53.5t。
1年前
The earthquake hit the city in 1906. It was the biggest in American history. (将句子连接为定语从句)
1年前
一台冰箱的容积约是180________,一个集装箱的体积约是40________。
1年前
一件商品售价为7.20元,利润是成本的20%.若把利润提高到30%,那么要提高售价多少元?
1年前