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【简答题】
2 Complete the dialogues. A I’d like this watch, please. B Fine. How would you like to pay? A By debit (►) card . B Thanks. Could you (1) ________ your (2) ________, please?...Thank you. Here’s your watch and your (3) ________. A Thank you.
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举一反三
【单选题】( )describes how to interact with the informationg system to Accomplish specific task.
A.
System specification
B.
Program specificationg
C.
User guide
D.
System document
【单选题】( )describes how to interact with the information system to accomplish specific tasks.
A.
System specification
B.
Program
C.
User guide
D.
System document
【单选题】导入的原理图元件放在PCB文件的 ( )工作层面进行元件布局。
A.
Top Layer
B.
Bottom Layer
C.
Mechanical 1ayer
D.
Keep—Out Layer
【单选题】导入的原理图文件放在 PCB 文件的 ( ) 工作层面进行元件布局。
A.
Top Layer
B.
Bottom Layer
C.
Mechanical 1
D.
Keep—Out Layer
【单选题】describes how to interact with the information system to accomplish specific tasks.
A.
System specification
B.
Program specification
C.
User guide
D.
System document
【单选题】导入的原理图文件后,元器件放在PCB文件的 ( )工作层面进行元件布局。
A.
Top Layer
B.
Bottom Layer
C.
Mechanical 1
D.
.Keep—Out Layer
【简答题】如果类B是从类A继承而来的,则类A叫做类B的______,类B叫做类A的______。
【简答题】LED1不亮测试电阻R1两端电压()?
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