[国开形考作业] When Jack arrived, he learned Mary___for almost an hour. 日期：2021-10-25 09:57:34 点击：103 好评：0
(单选题)24: When Jack arrived, he learned Mary___for almost an hour. A: had gone B: had been away C: had left D: had away ...
[国开形考作业] ( ) can provide an asynchronous link between two ac electri 日期：2021-10-25 09:56:40 点击：98 好评：0
(单选题)18: ( ) can provide an asynchronous link between two ac electric power system with different nominal frequencies. A: The HVDC (high voltage DC) transmission B: The EHV (extra-high voltage) AC transmission C: The AC distribution ...
[国开形考作业] Delphi belongs to _____. 日期：2021-10-25 09:55:54 点击：61 好评：0
(单选题)12: Delphi belongs to _____. A: low-level programming language B: high-level programming language C: a programming language connected with the computer hardware behavior D: an assembly language ...
[国开形考作业] In the form of ( ) the output is continuously fed back and 日期：2021-10-25 09:54:58 点击：65 好评：0
(单选题)6: In the form of ( ) the output is continuously fed back and compared with the reference input. A: continuous control B: discontinuous control C: discrete-data control D: sampled-data control ...
[国开形考作业] A computer printer is _____ device that produces computer-ge 日期：2021-10-25 09:54:34 点击：140 好评：0
(单选题)50: A computer printer is _____ device that produces computer-generated text or graphical images on paper. A: an input B: an output C: a storage D: a data processing ...
[国开形考作业] It was a (_______) illness, and she soon got over it. 日期：2021-10-25 09:53:40 点击：156 好评：0
(单选题)44: It was a (_______) illness, and she soon got over it. A: little B: minor C: large D: major ...
[国开形考作业] The thermal energy of the steam is converted into ( ) energ 日期：2021-10-25 09:52:45 点击：182 好评：0
(单选题)38: The thermal energy of the steam is converted into ( ) energy by the turbine. A: electrical B: mechanical C: chemical D: potential ...
[国开形考作业] The aim of our training is to teach the students to have the 日期：2021-10-25 09:51:48 点击：54 好评：0
(单选题)32: The aim of our training is to teach the students to have the ability of tackling problems (_______) . A: of their own B: on their own C: to their own D: for their own ...
[国开形考作业] We have come to a critical moment. You must take immediate ( 日期：2021-10-25 09:50:54 点击：189 好评：0
(单选题)26: We have come to a critical moment. You must take immediate (_______) . A: act B: action C: activity D: doings ...
[国开形考作业] A D/A is a device that can convert a digital signal to the e 日期：2021-10-25 09:50:00 点击：69 好评：0
(单选题)20: A D/A is a device that can convert a digital signal to the equivalent _____. A: digital form B: numerical form C: binary form D: analog form ...
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