A、 When fuel or lubricating oil overflows, clean the area at once. There exists a danger due to the wet surface that can cause falling.
B、 Clean the area where fuel or lubricating oil are knocked over without delay because the wet surface that may lead to the fall is dangerous.
C、 The area contaminated by fuel or lubricating oil shall be cleared up firstly because the dirty surface brings a risk of fall.
答案：A
A、 When fuel or lubricating oil overflows, clean the area at once. There exists a danger due to the wet surface that can cause falling.
B、 Clean the area where fuel or lubricating oil are knocked over without delay because the wet surface that may lead to the fall is dangerous.
C、 The area contaminated by fuel or lubricating oil shall be cleared up firstly because the dirty surface brings a risk of fall.
答案：A
A. Be sure that magnet plate system 1 and magnet plate system 2 are identical.
B. Make sure that compass system land compass system 2 are synchronized.
C. Ensure that magnet plate system 1 and magnet plate system 2 are simultaneous.
A. The test will stop when the pressure is larger than 7000 kpA.
B. Stop the test if the pressure reaches 7000 pA.
C. Stop the test when the pressure is more than 7000 kpA.
A. 在收放测试期间监控指示。
B. 在放出测试期间监控指示器。
C. 在收回测试期间监控指示器的指示。
A. That portion of the system which is used by flight and attendant to communicate between areas on the aircraft.
B. That portion of the system which is used by flight and ground personnel to communicate between areas on the aircraft.
C. That portion of the system which is used by flight and ground personnel to chat between areas on the aircraft.
A. The airplane is not certified for takeoff if it installs the autopilot system.
B. The airplane is certified for takeoff with the autopilot Engaged
C. With the autopilot engaged, airplane is uncertified for takeoff.
A. It is forbidden to use alternative materials.
B. It is permitted to use alternative methods.
C. It is permitted to use alternative materials.
A. English is not often the private language of the reader s of technical books
B. English is not often the required language of the readers of technical pamphlet.
C. English is not often the mother language of the readers of technical files.
A. Removing it with special material is necessary if you find corrosion.
B. If you find corrosion, remove it with the specified material.
C. If corrosion is found, change the material to remove it.
A. ACCELERATES
B. AGGRAVATES
C. INCREASES
A. 两个人必须要完成这个程序。
B. 此过程最多需要两个人
C. 执行这个程序需要两个人。
