【判断题】ZigBee协议从下到上分别为物理层(PHY)、媒体访问控制层(MAC)、传输层(TL)、网络层(NWK)、应用层(APL)等。其中物理层和媒体访问控制层遵循 IEEE802.15.4标准的规定。( )
【单选题】I was not conscious ( ) being alone in the room until I finished reading the book.
【单选题】听力原文:M: I just finished reading a book of short story by Hemlen Garlen called May Traveled Road. I really enjoy it. Have you read it? W: Yes, it was a required reading in the American literature cours...
A.
A lecture in their American literature course.
B.
A film about the American frontier.
C.
A book they both read.
D.
The woman's recent trip to the American Midwest.
【简答题】ATM协议参考模型包括3个平面,分别是(1)平面、(2)平面和(3)平面。包括4层功能,从下到上分别为物理层、(4)层、(5)层和高层。其中(4)层主要是完成交换、(6)和复用功能。在ATM信元头中与交换相关的字段是(7)。
【简答题】案件分析 2011年10月,美国A公司(卖方)与中国B公司(买方)在上海订立了买卖300台电子计算机的合同,合同选用了《2010年国际贸易术语解释通则》的 CIF术语,每台CIF上海1000美元,以不可撤销的信用证支付,装船期限为2011年10月1日至10月10日,由于A公司租来运货的“公主”号商船在开往某外国港口途中遇到飓风,结果装货至2011年10月20日才完成。C公司在取得A公司出具的保函的...
【单选题】I have finished reading a large part of the book ,______is more difficult.
【单选题】听力原文:M: I just finished reading a book of short stories by Hemlen Garlen called May Traveled.Road. I really enjoyed it. Have you ever read it? W: Yes, it was a required reading in the American literat...
A.
The woman's recent trip to the American Midwest.
B.
A lecture in their American literature course.
C.
A film about the American frontier.
D.
A book they both read.