A、 It is the responsibility of the operator to ensure that alternative tools or equipment can work well and are dangerous to the parts and personnel as the ones specified in the procedure if you use them.
B、 If alternative tools or equipment are used, the operator must ensure that they can play the same role and are as safe as the tools or equipment specified in the procedure to the parts and personnel.
C、 If the manufacturer can make sure that alternative tools or equipment can meet the requirement and are as safe to the parts and equipment as the ones specified in the procedure, you can use them.
答案：B
A、 It is the responsibility of the operator to ensure that alternative tools or equipment can work well and are dangerous to the parts and personnel as the ones specified in the procedure if you use them.
B、 If alternative tools or equipment are used, the operator must ensure that they can play the same role and are as safe as the tools or equipment specified in the procedure to the parts and personnel.
C、 If the manufacturer can make sure that alternative tools or equipment can meet the requirement and are as safe to the parts and equipment as the ones specified in the procedure, you can use them.
答案：B
A. This section provides procedures to calculate weight and moments for different phases of a scheduled flight and to make sure that the center of thrust is beyond approved limits.
B. The paragraph gives the weight and moments for calculating all kinds of phases of a planned flight and procedures for ensuring that center of gravity is within authorized limits.
C. This paragraph describes the procedures to calculate weight and moment for various phases of a planned flight and to ensure that the center of gravity is within approved limits.
A. 系统接口电路适配已连接系统的物理特征。
B. 系统的电路跳开关符合连接系统的物理特性。
C. 系统电路的物理特点与所连接系统相匹配。
A. Separate the first part of the sentence as the subsequent items in the lateral list.
B. Apart the first part of the sentence from the subsequent items in the horizontal list.
C. Divide the first part of the sentence from the subsequent items in the vertical list.
A. When the rod moves to "UP", the hydraulic pressure rises together.
B. When you set the bar to "UP", the hydraulic temperature goes down.
C. When you set the lever to “UP”, the hydraulic pressure must decrease.
A. The index of the maintenance manual shall be comparative to the basic standard category of Part 20. Manufacturers may, however, delete systems or sections that do not apply to their products or, where practicable, combine systems or sections.
B. The index for maintenance manuals shall be compatible with the basic standard breakdown of Section 20. However, manufacturers may omit system or chapters that are not applicable to the product or combine system or chapters where it is feasible.
C. The basic standard category of Part 20 must conform to the index of the maintenance manual. However, manufacturers may elide systems or sections that are not applied to their products, or incorporate systems or sections where applicable.
A. 每个电干扰盘的后部都有一个灵活的汇流条组件。
B. 每个电干扰盘的后部都有一个固定的汇流条组件。
C. 每个配电盘的后部都有一个固定的汇流条组件。
A. 燃油在燃烧室内燃烧。
B. 燃油通过喷嘴进入雾化器。
C. 燃油通过雾化器进入燃烧室。
A. Make sure that chemical compound are not near the engine nozzle.
B. Make sure that solvents are not near the engine exhaust.
C. Make sure that there＇s no isopropyl alcohol near the engine exhaust port.
A. 确保拉力连杆不会卡住起落架。
B. 确保阻力支柱不会遮蔽起落架。
C. 确保阻力撑杆不会阻碍起落架。
A. Make sure that there is a different distance between the holes.
B. Make sure that you space the holes equally.
C. The holes should have long distances.
