【单选题】According to our school rules, students ________ not carry mobile phones when taking a exam.
【单选题】What is NOT mentioned about human problems when taking a driverless car?
A.
Being too demaning as a passenger.
B.
Cheating the automated device.
C.
Being too passive and lazy.
D.
Being either over-worried or too relaxed.
【判断题】普通晶闸管外部有三个电极,分别是基极、发射极和集电极。 普通晶闸管外部有三个电极,分别是基极、发射极和集电极。
【单选题】在曲柄滑块机构中,当曲柄为固定件是,得到()
【单选题】What human problem is NOT mentioned when taking a driverless car?
A.
Cheating the automated device
B.
Being too demanding as a passenger
C.
Being too passive and lazy
D.
Being either over-worried or too relaxed
【简答题】绝缘栅双极型晶体管是以____作为栅极,以 电力晶体管发射极和集电极 作为发射极与集电极复合而成。
【判断题】普通晶闸管外部有三个电极,分别是基极、发射极和集电极。()
【判断题】由于三极管的发射区和集电区类型相同,所以发射极和集电极可以互换使用。
【单选题】When taking a business phone call you should try to ....
B.
Talk about personal issues.
C.
Enunciate and Speak Clearly.
D.
Refer to sports to lighten the mood.