皮皮学，免费搜题
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【单选题】
用白铁皮做罐头盒，每张铁皮可制盒身10个或制盒底40个，一个盒身与两个盒底配成一套罐头盒，现有l20张白铁皮，设用x张制盒身，y张制盒底，得方程组（ ）A.
x+y=120 40y=16x
B.
x+y=120 40y=32x
C.
x+y=120 40y=20x
D.
x+y=120 20y=40x
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】After tourists have been aware of a destination, what will they do next:
A.
have motivation to go to the destination
B.
collect information about the destination
C.
design itinerary of the destination
D.
make decision to go to the destination
【简答题】设 ,讨论 在点 处的连续性和可导性。
【单选题】The default router of the destination host is known as ____.
A.
Default router
B.
Source router
C.
Destination router
D.
Core router
【简答题】A．outcomes B．mystery C．navigation D．destination
【简答题】A．navigation B．mystery C．outcome D．destination
【简答题】简述客户投诉服务的工作内容和程序:
【单选题】Which of the following ports of destination is specific?
A.
Port of Long Beach
B.
European Main port
C.
China port
D.
One port out of London / Hamburg / Rotterdam as the port of destination
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