【单选题】按各触发器的状态转换与 CP 的关系分类,计数器可为 ( ) 计数器。
【单选题】按各触发器的状态转换与时钟脉冲CP的关系分类,计数器可以分为:
【判断题】a:hover 是伪类选择器,当鼠标悬浮在 a 标记上时应用该选择器定义的样式
【单选题】The receptionist of the hotel always say to the guest to fill in the __________.
【单选题】按各触发器状态转换与 CP 的关系分类,计数器可分为( )计数器。
【单选题】按各触发器的状态转换与时钟输入CP的关系分类,计数器可分( )计数器。
【单选题】感知指客观亊物通过________器官在人脑屮的直接反映。
【单选题】按各触发器的状态转换与时钟输入CP的关系分类,计数器可分( )计数器。
【单选题】When the receptionist answers the phone, he should say “( )”.
A.
Hello, hello, Reception.
C.
Good morning. Huatian Hotel. May I help you?
D.
Hold the line, please.
【单选题】What does the receptionist say he was doing when Nick arrived?
A.
He was watching the news.
B.
He was getting ready to leave.
C.
He was talking on the phone.