191. 剥掉导线的绝缘层

A. 对于仪表近进着陆,下滑道偏离用来建立足够的离地高度。

B. 对于目视近进着陆,下滑道偏离用来建立足够的进近高度。

C. 对于仪表近进着陆,航向道偏离用来建立足够的离地高度。

A. Give long term protection to areas of bare metal since bare metal surfaces are usually unsatisfactory for an electrical bond.If there is corrosion on the surfaces,it will cause severe problems.

B. Give temper protection to areas of bare metal since bare metal surfaces are always satisfactory for an electrical bond.If there is corrosion on the surfaces,it will cause severe problems.

C. Protect the bare metal areas temporarily since this kind of surfaces are usually adequate for an electrical bond.If corrosion happens on the surfaces,it will bring serious problems.

A. 该程序应在飞机最后一次运行之后至少2小时完成。这将确保记录的减震支柱数值是准确的。

B. 该程序应在飞机最后一次运行后2小时之内完成。这将确保记录的减震支柱数值是准确的。

C. 应在飞机至少运行2小时,最后再完成该程序,这将确保记录的减震支柱数值是准确的

A. The material required above shall be presented as follows.

B. The material required above shall be presented as order.

C. The material are required above will be presented as follows.

A. 客舱广播放大器设置音频输入的优先级。一次只处理一个音频输入信号。

B. 客舱广播放大器设置音频输入的顺序。音频输入信号被定时处理。

C. 客舱广播处理器设置音频输入的顺序。音频输入信号被定时处理。

A. The power source that are discussed respectively under the appropriate chapter heading shall provide power to at least two systems.

B. When two or more systems are served by a single power source, that power source will be discussed separately under the appropriate chapter heading.

C. The system that is powered by two or more power sources shall be discussed separately under the appropriate chapter heading.

A. The values doesn＇t have to be more than the approved differences.

B. The values must be less than the approved differences.

C. The values must not be less than the approved differences.

A. 丁酮是重度除油剂,适合金属准备和编织盖板喷漆前去油。

B. 丙酮是重度油污去除剂,适合金属表面预处理和织物蒙皮喷漆前去油。

C. 异丙醇是重度油污去除剂,适合金属生产处理和织物表面喷漆前除油。

A. 如果可能的话,告诉你的读者如果不遵守安全指令会发生什么。

B. 如果必要的话,告诉你的读者如果没有安全指令会发生什么。

C. 如果可能的话告诉你的读者会发生什么,判断是否未遵守安全指令

A. 在后面的盒子中,标题应为“机长操作手册”。

B. 后一种情况时,标题应为“飞行员操作手册”。

C. 后一种情况时,标题应为“机长操作手册”。