It should contain all necessary information to perform proficiency tests to maintain system or unit reliability at an acceptable level, without reference to additional documents.

A. 此步骤可以确保燃油泵工作正常。

B. 燃油泵必须要经过这个阶段才能正常工作。

C. 通过这个步骤保证燃料能够到泵的位置。

A. 列出只是示例的技术名称。不需要列出所有可能的技术名称。

B. 列出的技术名称是唯一的示例。这个包括所有可能的技术名称列表并不完整。

C. 列出的技术名称只是示例。该列表没有完整地列出所有可能的技术名称。

A. The units and components which store, regulate, and deliver oxygen to the passengers and crew include oxygen bottles, relief valves, shut-off valves, outlets, regulators, masks, etc.

B. The units and components which reserve, adjust, and transfer oxygen to the passengers and pilots include oxygen bottles, relief valves, shut-off valves, outlets, regulators, masks, etc.

C. The units and components to store, adjust, and transfer oxygen to the passengers and crew include oxygen bottles, release valves, shut-off valves, outlets, regulators, masks, etc.

A. IAS shall be monitored continuously until the end of the test.

B. Monitor the speed indication as long as the test continues.

C. Monitor the speed indication continuously until the end of the test.

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. Remove the bolt, washer, and nut to disconnect the bend clamp from the structure.

B. Remove the screw, washer, and nut to disconnect the short clamp from the structure.

C. Remove the screw, washer, and nut to disconnect the loop clamp from the structure.

A. The forward movement of the control lever must be slow and continuous.

B. The control lever must be kept moving forward slowly and abruptly.

C. You must continuously slow down the forward movement of the control lever .

A. Many readers have little knowledge of English. Complex sentence structure and the large number of meanings and antonyms that many English words have can cause misconception.

B. Many readers have a limited knowledge of English. Complex sentence structure and the large number of meanings and synonyms that many English words have can cause confusion.

C. Many readers have a little knowledge of English. Complex sentence structure and the large number of meanings and homonyms that many English words have can cause frustration.

A. 运营人可以使用标准的ABC情况报告单或者以包含相同信息的表格替代。

B. 操作者可能使用标准的ABC情况报告单或采用等效的信息替代。

C. 操作者会使用符合ABC标准的情况报单或符合同等条件的相同信息。

A. Soak the element for two hours.

B. Wet the element for two hours.

C. Stove the element for two hours.