A、 可以通过使用抹布沿钢索擦拭的方法，实现对钢索关键疲劳区域的仔细检查。
B、 可以通过沿电缆缠绕碎布的方式来对电缆关键疲劳区域进行仔细检查。
C、 在钢索严重疲劳区域进行近距离检查，可沿钢索用棉布清洁。
答案：A
A、 可以通过使用抹布沿钢索擦拭的方法，实现对钢索关键疲劳区域的仔细检查。
B、 可以通过沿电缆缠绕碎布的方式来对电缆关键疲劳区域进行仔细检查。
C、 在钢索严重疲劳区域进行近距离检查，可沿钢索用棉布清洁。
答案：A
A. The emergency procedures check list should be in concise, abbreviated form designed to remind pilots of items to check without providing details concerning the operation of any system.
B. The normal procedures check list which should be in concise, abbreviated form is designed to tell pilots of items to check without providing details concerning the operation of any system.
C. The content of the emergency procedures check list should be in concise, abbreviated form and its purpose is to remind flight attendants of items to check with providing details concerning the operation of any system.
A. Make sure that the position of the clamp agrees with the position that you recorded during the removal procedure.
B. Confirm that the recorded condition during the removal procedure agrees with the condition of the clamp.
C. Ensure that the clamp is correctly oriented based on the suggested position documented during the removal procedure.
A. 数一下轮胎的胎面层数。
B. 计算轮胎的胎面数。
C. 检查轮胎的数量。
A. Clean the surface with a soap and clean a water solution.
B. Use a soap-and-water solution to clean the surface.
C. Use a soap to clean the surface and a water solution.
A. 电瓶为紧急出口的照明电路供电。
B. 闭合电瓶电路给应急出口灯供电。
C. 应急出口灯由电瓶电路控制。
A. In flight deck, once you set probe heater switches on the overhead panel automatically, all the heater lights flash.
B. Make sure probe heater switches on the overhead panel in flight deck are in AUTO position and all the heater lights illuminate.
C. Set probe heater switches on the overhead panel in cockpit in AUTO position so that all the heater lights come into view.
A. 每一个点处的宽度和深度值不能小于30。
B. 每一个点处的宽深值不能大于30。
C. 每一个点处的宽深比不少于30。
A. 描述飞机螺旋桨时，如果桨距可变，应描述螺旋桨及调距操作。
B. 描述飞机螺旋桨时，如果桨叶间隔可变，应描述螺旋桨及其操作。
C. 描述飞机螺旋桨时，如果桨叶迎角可变，应描述螺旋桨及其操作。
A. Apply two kindreds of protective compound to shield the sealant from any harm caused by hydraulic fluid.
B. In order to prevent damage to the sealant from hydraulic fluid, it is necessary to apply two layers of protective compound.
C. To prevent hydraulic fluid from drowning the sealant, it is recommended to apply two layers of protective compound.
A. 当你选择这些按钮中的其一时，数字字母显示只出现电压和频率。
B. 当你选择这些按钮中的其一时，模拟数字显示只出现电压和频率。
C. 当你选择这些开关中的其一时，模拟数字显示只出现电压和频率。
