调车作业中，认真了望，（）信号，正确执行信号显示的要求和呼唤制度。
A.注意
B.确认
C.观察
D.呼唤
参考答案：B
根据对话内容，在每小题的空白处填入适当的话语，使对话意思完整。
(It’s Friday today. Bob and Dave are talking about their weekend plans.)
Bob: Dave, the radio says it is sunny tomorrow. Do you have any plans?
Dave: . I want to go to the beach. ?
Bob: I’m going to do some sports.
Dave: ?
Bob: I like basketball best. I think it can help me grow taller.
Bob: I will play it in the gym. By the way, who will you go to the beach with?
Dave: I’ll go with my parents.
Bob: ?
Dave: We will go there by car.
Bob: Have a good time.
Dave: The same to you.
奇经八脉与十二经脉之气相交会的八个腧穴称为
A．原穴B．郄穴C．八会穴D．下合穴E．八脉交会穴
