第三章单元测试
- What does the word import mean?（ ）
- is mainly used to plane the thick wire insulation layer.（ ）
- is a motor that converts DC electrical energy into mechanical energy.（ ）
- Single chip is a complete computer system on a single chip. （ ）
- At present, the most widely used field is ____________and ________.（ ）
- Which of the following is a conventional electronic device?.（ ）
- After printing, the model is deposited on the printing platform, and the fit is tight, and the model does not need to be carefully removed. （ ）
- Motors are divided into DC motor and AC motor according to the power supply used.（ ）
- PLC refers to Personal Logic Computer. （ ）
- The servo drive device mainly includes servo drives and servo motors.（ ）
A:修改 B:输入 C:数码的 D:重建
答案:输入
A:Voltmeter B:The electrician knife C:The electric soldering iron D:The test pencil
答案:The electrician knife
A:Motor B:Ac motor C:Dc motor
答案:Dc motor
A:integrate B:Integrated C:integrates
答案:Integrated
A:laser B:3D printing C:auto parts manufacturing industry D:the automobile
答案:auto parts manufacturing industry###the automobile
A:Contactor B:Thermal Relay C:Travel Switch D:Fuse
答案:Contactor###Thermal Relay###Travel Switch###Fuse
A:错 B:对
答案:错
A:错 B:对
答案:对
A:错 B:对
答案:错
A:错 B:对
答案:对
