775、三台电脑收集数据并且汇集数据链到显示组件。

A. 　 When you do maintenance on the waste water system, make sure that your gloves are put on.

B. 　 Face away from waste water system when you do maintenance on it with gloves.

C. 　 Face away from your gloves when you do maintenance on the waste water system.

A. 　 Landing gear position has no effect on stall speeds.

B. 　 The position of the landing gear doesn't influence the surging speed.

C. 　 The idle speed is not effected by the landing gear position.

A. 　The filter must be replaced before putting new oil in the system

A. 　对临近区域做检查

B. 　对表面区域做检查

C. 　对内部区域做检查

A. 　 Hinge the towing arm up to the nose gear.

B. 　 Hook the towing arm up to the nose gear.

C. 　 Fix the towing arm up to the nose gear.

A. 　 The description could be pronounced in the active voice.

B. 　 Descriptive content can be written in active voice.

C. 　 You should read it in voice as you write the descriptive text.

A. 　 A maximum distance of 50 feet is required between consumable materials and the work area.

B. 　 Keep flammable materials at a minimum distance of 50 feet from the work area.

C. 　 Explosive materials must be kept at least 50 feet away from the work area.

A. 　 Access doors and panels within the area are recognized by the number of the area and two or three letter
suffix.

B. 　 The area number and a postfix with two or three letters identifies the access doors and panels in an area.

C. 　 The identification of the access panels and doors is accomplished by the zone number suffix.

A. 　 Do not use verbs that are general and vague.

B. 　 Do not use verbs that are normal and mixed.

C. 　 Do not use verbs that are usual and blended。

A. 　 All tabulations shall own a title in order.

B. 　 Al tables shall bear a title with a number.

C. 　 All figures shall have a title with a number.