A、 The first step in listing possible causes of each trouble is to show what sections of the system may be at fault.
B、 Listing possible causes of each trouble is the first step to show what sections of the system may be failure.
C、 The first step in listing which parts of the system are likely to fail is to show the possible causes of each failure.
答案：A
A、 The first step in listing possible causes of each trouble is to show what sections of the system may be at fault.
B、 Listing possible causes of each trouble is the first step to show what sections of the system may be failure.
C、 The first step in listing which parts of the system are likely to fail is to show the possible causes of each failure.
答案：A
A. 保证表盘上的示数符合坦克的特性。
B. 确保面板上的显示符合罐内的性质。
C. 确保仪表上的指示与油箱内的油量一致。
A. 确保你要逆时针旋转控制按钮。
B. 确保顺时针转动旋钮。
C. 确保你要逆时针转动控制旋钮。
A. 此材料有良好的防腐作用。
B. 这种材料被证明具有优异的防退化性能。
C. 现有涂料的防腐效果非常显著。
A. The Federal Aviation Regulations require the use of ‘maximum continuous power’, during certification of an airframe and engine combination, to show compliance with certain standards.
B. The Federal Aviation Regulations require the compliance with certain standards for an airframe and engine combination if they use ＇maximum continuous power＇ during certification.
C. The use of ‘maximum continuous power’ and the compliance with certain certification standards are required by the Federal Aviation Regulations.
A. “细节要求”部分给特殊材质的物品进行整理和排序提供特定方法。
B. “具体要求”部分描述了特殊材料的实体的一致性布局和辨别的方法。
C. “详细要求”部分提供了编排和标识特定主题材料的统一方法。
A. 使用符号代表电磁活门，显示该活门是否是弹簧加载到开位或关位。
B. 应针对电磁活门标明注意事项，说明该活门应该弹簧加载到开位还是关位。
C. 电磁活门应标有符号，表明该活门是弹簧加载到开位还是关位。
A. Vigorously scrub the surface with a rough, dry cloth.
B. Polish the surface with a soft, damp cloth.
C. Rub the surface quickly with a soft, dry cloth.
A. 警告和注释可用来突出或强调重要的内容。
B. 警告、谨慎和注意可用来突出或强调重点要点。
C. 警告、告诫和注意可用来突出或强调重点要点。
A. 解决急发故障问题。
B. 执行相关排故程序。
C. 对有问题的的程序进行修订。
A. 使用探针检查管子以找出堵塞物。
B. 检查探头以确定是否堵塞。
C. 仔细检查管道以清除堵塞。
