【单选题】She was just about to explain ___ she hadn't passed her maths test chiefly out of carelessness ___ her uncle came.
B.
to her mother why … that
C.
her mother that … when
D.
to her mother that … when
【简答题】_______________________, we went swimming inthe river. A) The day being very hot B) Itwas a very hot day C) The day was very hot D) Being a very hot day
【单选题】Her birthday had just passed,_________by all but herself.
【单选题】Su had just passed her driving test when she negligently drove into a pedestrian. What standard of care will Su be judged by?
A.
The objective standard of a newly qualified driver, lack of experience will be taken into account
B.
The objective standard of a competent driver, lack of experience will not be taken intoaccount
C.
The subjective standard of actual ability
【单选题】110 Su had just passed her driving test when she negligently drove into a pedestrian.What standard of care will Su be judged by?
A.
The objective standard of a newly qualified driver, lack of experience will be taken into account
B.
The objective standard of a competent driver, lack of experience will not be taken into account
C.
The subjective standard of actual ability
【简答题】在带宽为20Mbps、距离为5km的信道上用协议3传输数据帧,电信号在线路上的传播速度约为5 s/km,确认帧长度忽略,当信道利用率为50%时,帧长为____。
【简答题】(2017年上)简述班主任了解、研究学生的主要内容