单项选择题
MP3是目前最流行的数字音乐压缩编码格式之一，其命名中MP是指(12)，3是指(13)。
A．media player
B．multiple parts
C．music player
D．MPEG-1 Audio
- A.media
B.multiple
C.music
D.MPEG-1
点击查看答案
相关考题
-
单项选择题
房间隔缺损患者，缺损1．8cm2。现17周妊娠。产科处理原则正确的是（）
A．无需特殊处理
B．立即行钳刮术终止妊娠
C．立即行负压吸引术终止妊娠
D．立即行剖宫取胎术
E．加强孕期监护继续妊娠 -
单项选择题
A．Because of the application of new technology and methods.B．Because of the decrease of government payments.C．Because of the increase in agriculture export.D．Because of Canada's dependence on agricultural import.
A.Because
B.
B．Because
C.
C．Because
D.
D．Because
E. -
单项选择题
听力原文： London taxi drivers know the capital like the back of their hands. No matter how small and indistinct the street is, the driver will be able to get you there without any trouble. The reason London taxi drivers are so efficient is that they have all gone through a very tough training period to get a special taxi driving license. During this period, which can take from two to four years, the would-be taxi driver has to learn the most direct route to every single road and to every important building in London. To achieve this, most learners go around the city on small motorbikes, practicing how to move to and from different points of the city. Learner taxi drivers are tested several times during their training period by government officers. Their exams are a terrible experience. The officers ask you, “How do you get from Buckingham Palace to the Tower of London?” And you have to take them there in a direct line. When you get to the tower, they won’t say “Well done”; they will quickly move on to the next question. After five or six questions they will just say “see you in two months’ time” and then you know the exam is over. Learner drivers are not allowed to work and earn money as drivers. Therefore, many of them keep their previous jobs until they have obtained their license. The training can cost quite a lot because learners have to pay for their own expenses on the tests and a medical exam.(30)A．Because they have a driving license.B．Because they have received special training.C．Because the traffic conditions in London are good.D．Because the traffic system of the city is not very complex.
A.
B.
(30)
A．Because
C.
B．Because
D.
C．Because
E.
D．Because
F.
