Controls which are built in by the manufacturer to detect equipment failure are called:（ ） A: input controls. B: manufacturer's controls. C: data integrity controls. D: hardware controls.

将控制器设置到中心位置。 A: Set the controls to the center position. B: Center the controls. C: Centralize the controls.

将控制器设置为中立位置。 A: Set the controls to the neutral position. B: Neutralize the controls. C: Centralize the controls.

词汇与结构 The flight controls are powered by redundant hydraulic sources: system A and system B. _________ hydraulic system can operate all primary flight controls.

html5中播放视频的基本格式语法正确的是（） A: video src=视频文件路径controls=controls/video B: video src=视频文件路径 controls=controls C: video src controls=controls/video D: audio src=视频文件路径 /audio

​下面哪个代码可以正确播放音频（）。‌ 未知类型：{'options': ['[audio href="nusic.mp3" controls="controls"] 浏览器不支持HTML5:audio', '[audio type="nusic.mp3" controls="controls"] 浏览器不支持HTML5:audio', '[audio src="nusic.mp3" controls="controls"] 浏览器不支持HTML5:audio', '[video src="nusic.mp3" controls="controls"] 浏览器不支持HTML5:audio[/]'], 'type': 102}

Board of directors is ultimately responsible for a company's system of internal controls.。（ ）

html5中播放视频的基本格式语法正确的是（ ） 未知类型：{'options': ['[video src="视频文件路径" controls="controls"][/]', '[video src="视频文件路径" controls="controls"]', '[video src controls="controls"][/]', '[audio src="视频文件路径"] '], 'type': 102}

The arriving international passenger transferring to a domestic flight must pass through all the governmental controls.

The title of a passage controls the of the topic.