A、 Sentence forms shall be simple and direct ,omitting discussions of theory except where essential for practical understanding and application.
B、 The sentence form should be easy and direct,avoiding discussion of theory except when practical understanding and application are necessary.
C、 The form of a sentence should be simple and direct,and the discussion of theory should be omitted in addition to practical understanding and application.
答案：A
A、 Sentence forms shall be simple and direct ,omitting discussions of theory except where essential for practical understanding and application.
B、 The sentence form should be easy and direct,avoiding discussion of theory except when practical understanding and application are necessary.
C、 The form of a sentence should be simple and direct,and the discussion of theory should be omitted in addition to practical understanding and application.
答案：A
A. Turn the body of the closure assist assembly with a wrench to pull the two thrust reverser doors together until you can engage the latches at the bottom of the doors.
B. Turn the main body of the closing aid with a crowfoot and pull the two throttle reverser doors together until you can connect the bolts at the bottom of the door.
C. Use a wrench to turn the main body of the closing auxiliary assembly and pull the two reversedoors together until you can attach the locks at the bottom of the door.
D. C.Use a wrench to turn the main body of the closing auxiliary assembly and pull the two reversedoors together until you can attach the locks at the bottom of the door.
A. In any process,the velocity is not large.
B. Do not increase this speed in any operation.
C. In any operation,the speed can not be greater than this value.
A. The engine-driven pump is the major pump that works endless when it is switched on.
B. The engine-driven pumps are the main pumps that runs continuously during operation.
C. The engine-driven pumps are the secondary pumps that operates infinitely after running.
A. 本段还应说明,除已明确的检查项目外,适航指令可能要求执行其他检查项目。
B. 本段还应说明,除已完成的检查项目外,还应完成哪些适航指令可能要求执行的其他检查项目。
C. 本段还应说明其他适航指令要求执行的固定检查项目和其他检查项目。
A. Manufacturers would like to reserve and exercise the right to make reasonable judgments about the depth and scope of the contents of their publications.
B. Manufacturers are requested to reserve and exercise the right to judge contents of their publications of reasonable depth and scope.
C. Manufacturers are required to reserve the right of sound judgment on the contents of their publications by the bureau.
A. 打开客舱的一扇门,确保客舱不是全封闭的。
B. 打开客舱入口的一扇门,确保客舱没有增压。
C. 打开通往客舱的一扇门以保证通行没有压力。
A. The lower seal is invisible prior to switching the lower bearing on.
B. The lower seal becomes visible when you push the lower bearing up.
C. The lower seal comes into view when you pull the lower bearing down.
A. 将测试结果写在正确的表格里。
B. 将操作结果写在正确的表格里。
C. 将校准结果写在校正表上。
A. The section of the system which is used to sense and signal the formation of ice.
B. The portion of the system which is used to detect and display the condition of ice.
C. The portion of the system which is used to detect and indicate the formation of ice.
A. If the unit is not modified,its service life will be possibly shorter.
B. Without the modification of the unit,its service life is likely shorter than present.
C. Without the modification,it is possible that the service life of this unit will be shorter than usual.
