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【多选题】
计算机数控系统中,关于数据输入/输出(I/O)接口描述正确的是( )。A.
是CNC装置和机床驱动部件之间来往传递信息的接口
B.
主要用于接收机械操作面板上的各种开关、按以及机床上各行程限位开关等信号
C.
将CNC装置发出的控制信号送到柜
D.
由数控操作面板上的键盘输入、修改数控设定加工数据
E.
将各工作状态指示灯信号送到操作面板等
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【单选题】— Linda has changed a lot! She's so quiet! — You're right. She _____ noisy. [ ]
A.
uses to be
B.
used to be
C.
uses to being
D.
used to being
【简答题】She is very shy, so please ______. A be quietly B be quiet C keep quite D be quite
【单选题】The room was so quiet that she could hear the____of her heart.
A.
hitting
B.
beating
C.
hurting
D.
striking
【单选题】Tina isn’t so quiet as she . She is much more outgoing now.
A.
did
B.
used to
C.
was used to
D.
used to be
【单选题】I’m quiet, but Laura likes talking with people. So she is _______ than me.
A.
outgoing
B.
more outgoing
C.
outgoinger
D.
the most outgoing
【单选题】The room was so quiet that she could hear the _____ of her heart.
A.
hitting
B.
beating
C.
tapping
D.
knocking
【单选题】________him that she would fail as she was so able and worked so hard. [ ]
A.
It never occurred to
B.
That never occurred to
C.
It never occurred with
D.
That never occurred for
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