‎What kind of hair was called bobbed hair?‌ A: Short hair B: Long hair C: Curly hair D: Straight hair

从“Waiting for PIN”与“Validating PIN”之间的转换需要经过（ABCD）事件 A: PIN Entered B: Validate PIN C: Invalid PIN D: Invalid PIN Prompte

PIN码的管理状态不包括：（） A: PIN输入状态 B: PIN输入成功状态 C: PIN未输入或输入错误状态 D: PIN锁住状态

analogRead(pin)参数pin的范围（）。

A technician is installing a printer that uses a parallel cable to connect to a computer.  Which of the following pin configurations might the technician encounter？ （） A: 9 pin D-type B: 36 pin Centronics C: 25 pin Centronics D: 13 pin D-type E: 25 pin D-type

Paul just had ____. A: cut his hair B: his hair cut C: hair cut D: his hair cutting

Paul just had ______. A: cut his hair B: his hair cut C: cutting his hair D: his hair cutting

The customer want to _______________. A: dye her hair B: cut her hair C: cirle her hair D: cut and dye her hair

Arduino怎么将引脚设置为输出。 A: pinMode(pin,OUTPUT) B: pinMode(pin,INPUT) C: digitalWrite(pin,HIGH) D: analogWrite(pin,num)

Arduino怎么将引脚设置为输入。 A: pinMode(pin,OUTPUT) B: pinMode(pin,INPUT) C: digitalWrite(pin,HIGH) D: analogWrite(pin,num)