【单选题】S7-200 型的PLC的位存储区的编号范围( )
【单选题】There was a terrible noise _____ the sudden burst of light. [ ]
【多选题】What mistakes did Xiaoli make when receiving the phone call?
A.
She put the receiver under her neck.
B.
She was chewing French chips in her mouth.
C.
She was playing music.
D.
She was talking loudly in public.
【多选题】下列各项中,属于计算机语言通常分类的有( )。
【判断题】Rh阴性血比较罕见,所以又被称为"熊猫血"。