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一家处理危险垃圾的公司打算降低其垃圾从五个接收站至处理中心所消耗的运输费用,已知接收站的地点和日装运量如表 1 ,求处理中心的坐标位置。 表 1 接收站的地点和日装运量数据表 A B C D E 接收地( X , Y ) ( 10 , 5 ) ( 4 , 1 ) ( 4 , 7 ) ( 2 , 6 ) ( 8 , 7 ) 日装运输量(吨) 26 9 25 30 40
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【简答题】Few people I know seem to have much desire or time to cook. Chinese dish es is 1 as especially troublesome. Many westerners who come to China 2 ( cook ) much less than in their own countries on...
【单选题】When Westerners come to Chinese gardens, they are confused, because there is no what?
A.
Starbucks; all gardens in the West have Starbucks.
B.
Place to sit and relax; Westerners are lazy and love to sit down.
C.
End; they are raised to care about the destination, not the journey.
D.
Animals; all Western gardens have many animals.
【简答题】Please have a dictation of the listening material "food" and upload the photo of your anwser
【简答题】下列哪些一说法是错误的() A力的三要素为力的大小、方向、作用点 B作用在物体上的平面汇交力系，如果合力为零，则物体处于平衡状态 C物体受到两大小相等、方向相反的力时就处于平衡状态 D力的合成只能有一种结果，力的分解也只能有一种结果 E力的三要素为力的大小、方向、作用面
【简答题】1. I was taken to the interview room __________
arrival at the police station. 2. Most Westerners coming to China are curious
________Chinese culture. 3. I am prepared to take ______ the challenges...
【简答题】Please have a dictation of the above audio, and submit it online. It should be finished before Mar,3rd.
【简答题】When you hear Westerners（西方人）say “ Drop in anytime”（随时来玩）or “Come and see me soon” , you should realize that it doesn’t mean you are welcome to come over to their house anytime. It’s wise to telephone...
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