68.If the shear pin breaks,do an inspection of the towbar.

A. 　不管显示的值是不是限制值,都应介绍。

B. 　限制值的显示决定了它是否应该被说明。

C. 　无论显示的值是否是限制值,都应说明。

A. 　包括折页和章节开头页,所有页面均应双面打印。

B. 　包括折页和章节开头,所有页面均应单面打印。

C. 　除了折页和章节开头页,所有页面均应双面打印。

A. 　If the engine appears to be heating,turn it off.

B. 　If the engine appears to be overheating,turn it off.

C. 　If you think the engine is too hot,turn the switch to”off”＇.

A. 　力矩乘以常数用于减少位数,从而简化平衡计算。

B. 　力矩除以常数用于减少位数,从而优化平衡化简。

C. 　力矩除以常数用于减少位数,从而简化平衡计算。

A. 　Divide the headwind component by the aircraft speed to get the correction

B. 　Divide the crosswind component by the air speed to get the correction.

C. 　Divide the crosswind component by the aircraft speed to get the correction.

A. 　The wire must touch the front of the contact.

B. 　The wire must bond the rear of the contact.

C. 　The wire must touch the rear of the contact.

A. 　For simplicity of presentation and understandability,complex system should be divided into either system function overall master schematic diagrams.

B. 　Both master schematic diagrams and system function of complex system should be grouped for smiplicity of presentation and understandability.

C. 　Complicated systems shall be divided into system function but not,overall master schematic diagrams fbr homeliness and a better understanding of presentation.

A. 　如果列岀了大量项目在电气示意图上,则项目应按逻辑顺序呈现,如飞机上或示意图中项目的排列顺序。

B. 　在电气等示意图上,如果列出了大量项目,则项目应按逻辑顺序呈现,如飞机上或示意图中项目的排列顺序。

C. 　如果列出了大量项目,例如电气意图上的项目应按逻辑顺序呈现,如飞机上或示意图中项目的排列顺序。

A. 　If you cannot remove a nut because of corrosion,apply penetrating oil.

B. 　If you cannot disassembly a bolt because of corrosion,use penetrating oil.

C. 　If you cannot remove a bolt because of corrosion,apply penetrating oil.

A. 　This limiting rate-of-climb value shall be distinguished clearly along the chart together with the power and configuration conditions.

B. 　This limiting rate-of-climb value and the power and configuration conditions shall be identified clearly on the chart.

C. 　The chart shall clearly show the identity of this limiting rate-of-climb value as well as the power and configuration conditions.