A、 The housing for the voice recorder unit has these properties: water tolerance, shock resistant and heat resistant
B、 The container for the voice recorder unit has these properties: waterproof, spin resistant and heat resistant.
C、 The container for the voice recorder unit has these properties: watertight, shock resistant and heat resistant.
答案：C
A、 The housing for the voice recorder unit has these properties: water tolerance, shock resistant and heat resistant
B、 The container for the voice recorder unit has these properties: waterproof, spin resistant and heat resistant.
C、 The container for the voice recorder unit has these properties: watertight, shock resistant and heat resistant.
答案：C
A. 中心句是一篇文章的第一句,也是最重要的一句。
B. 总结句是一节内容的第一句,也是最重要的一句。
C. 主题句是一段话的第一句,也是最重要的一句。
A. 风挡出口是在机长和副驾的挡风口前面
B. 风挡出口是在机长和副驾遮光板的前面
C. 风挡出口是在机长和副驾操作板的前面
A. When the movement of input rod is ranged from 5 to 10 mm, measure the piston retraction.
B. When the input lever is between 5 and 10 mm, measure the piston extension.
C. When the interval of input shaft changes between 5 and 10 mm, measure the expansion of the piston.
A. That portion of the system used to control the pressure within the fuselage. Includes items such as control valves, relief valves, indicators, switches, diffuser, etc., as applicable.
B. That portion of the system used to control the pressure within the fuselage. Includes items such as control valves, negative pressure valves, indicators, switches, amplifiers, etc., as applicable.
C. That portion of the system used to control the pressure within the fuselage. Includes items such as control valves, relief valves, indicators, switches, amplifiers, etc., as applicable.
A. The manufacturer＇s masterhead, model and publication title shall appear at the top of each page except on those pages where a component manufacturer＇s masterhead appears in accordance with Paragraph 7.1.4;
B. The manufacturer＇s masthead, model and publication title shall appear at the top of each page except on those pages where a component manufacturer＇s masthead appears in accordance with Paragraph 7.1.4;
C. The component manufacturer＇s masthead, model and publication title shall appear at the top of each page except on those pages where a manufacturer＇s masthead appears in accordance with Paragraph 7.1.4;
A. Stop the engine run-up practice.
B. Stop the engine start procedure.
C. Stop the engine ignition project.
A. Remove the safety clips and tags.
B. Remove the safe clips and tags.
C. Remove the safety clips and label.
A. 在飞机的使用中,金属的使用量增加了;
B. 在飞机的制造中,金属的使用量降低了;
C. 在飞机的制造中,金属的使用量增加了;
A. Possibly, the incorrect operation will occur due to the contaminated oil jet.
B. Incorrect operation is absolutely resulted from a blocked ignitor.
C. A blocked oil jet can cause incorrect operation.
A. Top into the wind
B. Bottom into the wind
C. Aft into the wind
