A、 封面标题和适当的飞机内容应首先在手册的封面或书脊(或两者)上表现出来。
B、 封面标题和适用的飞机设计应在手册的封面或书脊（或两者）上永久显示。
C、 封面标题和适用的飞机名称应突出显示在手册的封面或书脊（或两者）上。
答案：C
A、 封面标题和适当的飞机内容应首先在手册的封面或书脊(或两者)上表现出来。
B、 封面标题和适用的飞机设计应在手册的封面或书脊（或两者）上永久显示。
C、 封面标题和适用的飞机名称应突出显示在手册的封面或书脊（或两者）上。
答案：C
A. 紧急机腹着陆，如果有必要推迟，可以不成功地尝试所有其他放下起落架的方法，并选择合适的着陆区域之后再执行。
B. 如有必要进行紧急机腹着陆，应在尝试所有其他放下起落架的方法都不成功并在已选择合适的着陆区域后再执行。
C. 如果有必要推迟紧急机腹着陆，能够在所有其他放下起落架的方法尝试不成功，并选择合适的着陆区域之后再执行。
A. 从油箱排出约2升滑油。
B. 从油箱排出约2升液压油。
C. 从油箱排出约2升燃油。
A. 拧紧这些同轴接头（用手上紧再1/8转）
B. 拧紧这些同轴接头（用手上紧少1/8转）
C. 拧紧这些同线路接头（用手上紧少1/8转）
A. You have the right to duplicate or publish this document or any substituent alteration or revision thereof, in whole or in part, free of charge.
B. You have the right to reproduce or publish this document or any subsequent modification or revision thereof, in whole or in part, free of charge.
C. You have the right to recopy or publish this document or any substantial alternation or revision thereof, in whole or in part, free of charge.
A. Do not exceed this dimension or Mach in any operation.
B. Do not exceed the regulated flight speed or Mach Number in any operation.
C. Do not exceed this speed or Mach Number in any operation.
A. Incorrect adjustment of the stops will lead to accurate test results.
B. In precision, test results cannot occur unless the stops are adjusted properly.
C. If the stops are not adjusted Incorrectly, the test results will not be precise.
A. Use a simple verb to express the approved possibility if permitted.
B. If possible, use an approved simple verb to express.
C. If allowed, use a simple verb for approving.
A. When you try to change a word, make sure that the substitute you choose doesn＇t replace the meaning of the sentence.
B. Make sure that the chosen replacement word will not vary the implication of the sentence if you replace a word.
C. When you replace a word, always make sure that the alternative you select does not change the meaning of the sentence.
A. 如果损伤没有涉及保护盖，则部件可以使用。
B. 如果划痕没有穿透保护层，则部件可以使用。
C. 如果腐蚀没有透过涂层，则部件可以使用。
A. Give an explanation to show the specified risk or possible result.
B. Give an explanation to show the special risk or possible result.
C. Give an explanation to show the specific risk or possible result.
