USB1.1总线标准属于中低速的界面传输,数据传输率()Mbps
A.12
B.133
C.166
D.480
参考答案:A
情景对话。
1.你到你朋友家做客,你想知道他爸爸是做什么的,该如何问?[ ]
A.Where is your father?
B.What's your father?
C.Who's your father?
2.我想知道你家有多少人,该怎么问?[ ]
A.How many people are there in your family?
B.Are there people in your family?
C.Do your family have people?
3.你想让你的朋友参观你的房间,该怎样说?[ ]
A.Welcome to my home!
B.Welcome to my family!
C.Welcome to my room!
4.别人祝你圣诞节快乐,你该怎么说?[ ]
A.You're welcome!
B.Thank you!
C.Happy New Year!
项目的CPI等于0.833,这个信息告诉项目经理:()
A.项目进度落后
B.项目进度提前
C.成本效率糟糕
D.成本效率良好