函数digitalWrite(pin , value)使用前，需先用pinMode函数将引脚设置为（）模式？ A: OUTPUT B: INTPUT C: output D: input E: INPUT_PULL

He was very iii for a time, but he managed to ______. A: pull on B: pull in C: pull up D: pull through

The cat _____you if you ______her tail. A: will scratch; pull B: scratches;pull C: will scratches;will pull D: scratches;will pull

Let's _______ this roadside restaurant for something to eat. A. pull into B. pull down C. pull on D. pull off

The police officer signaled him to _____________ to see if he was drunk-driving. A: pull away B: pull on C: pull over D: pull down

The boy was very sick, but he managed to [u]              [/u]. A: pull off B: pull out C: pull through D: pull up

Margaret had difficulty with her mathematics, but her teacher managed to _______ her _______. A: pull out B: pull down C: pull up D: pull through

They hugged each other so tightly that no one could separate them. A: pull them together B: pull them in C: pull them down D: pull them apart

When a policeman saw the bus driver running a red light, he called to him to ____ and walked towards the bus. A: pull back B: pull over C: pull out D: pull apart

pull过去式是()