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【单选题】
从征收进口关税中受损的利益集团是（ ）。A.
进口国的生产者
B.
进口国的消费者
C.
进口国的政府
D.
出口国的消费者
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】单片机部分控制电路如图,试编写控制程序实现发光二极管按D1D2---D2D3----D3D4----D4d5----D5D6----D6D7----D7D8--D1D2----循环点亮。(15分) 解: #include void delay(){ int i=0; for(i=0;i<=20000;i++); } void main(){ unsigned char j=0 // 点亮D1...
【多选题】Which of the following statements about response letters to requests for free products is/are true?
A.
It is bad news to a manufacturer that a potential customer requests for free products.
B.
The manufacturer is normally unwilling to provide free products to a prospective customer.
C.
In a positive response,you should specify the number of the free products you are offering and the time of delivery.
D.
In a negative response, you should state politely why you are unable to follow the request and encourage the receiver to make a purchase or take some action.
【简答题】列举几种常见的图像格式。
【简答题】The advance
reservationist belongs to the Front Office Department. He/She works at the Front Desk by the lobby. His /Her responsibility includes
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booking a...
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【简答题】单片机部分控制电路如图,试编写控制程序实现发光二极管按 D1D2---D2D3----D3D4----D4d5----D5D6----D6D7----D7D8--D1D2---- 循环点亮。( 15 分) 解: #include void delay(){ int i=0; for(i=0;i<=20000;i++); } void main(){ unsigned char j=0 //点...
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【简答题】列举几种常见的图像格式。
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