A、 Retesting and reviewing test results are optional due to discrepancies in the fuel/water sample and the ability of the detection kits to continuously measure the level of microbial growth.
B、 It is very important to do the test again and confirm test results because of differences in the fuel/water sample and the ability of the detection kits to continuously measure the level of microbial growth.
C、 It is mandatory to retest and evaluate test results to make sure the differences in the fuel/water sample and the ability of the detection kits to witness the level of microbial growth.
答案：B
A、 Retesting and reviewing test results are optional due to discrepancies in the fuel/water sample and the ability of the detection kits to continuously measure the level of microbial growth.
B、 It is very important to do the test again and confirm test results because of differences in the fuel/water sample and the ability of the detection kits to continuously measure the level of microbial growth.
C、 It is mandatory to retest and evaluate test results to make sure the differences in the fuel/water sample and the ability of the detection kits to witness the level of microbial growth.
答案：B
A. The antenna should be put in the right position on the airplane surface.
B. There is an antenna positioning in the suitable place on the airplane skin.
C. Correct the antenna position on the airplane surface.
A. Use the rigging pin to lock the pulley.
B. Use the pulley to lock the rigging pin.
C. The rigging pin should be locked by the pulley.
A. Check all parts with clear defects in accordance with standard industry practices.
B. Check all parts for visible defects in accordance with standard industry practices.
C. Check all parts for serious defects in accordance with standard industry practices.
A. The manufacturer may establish procedures to provide drawback on unairworthy conditions.
B. The manufacturer may establish procedures to provide response on unairworthy conditions.
C. The manufacturer may establish procedures to provide recall on unairworthy conditions.
A. Perform a test to identify the source of data transmission from the management unit.
B. Perform a test to determine if the management unit is transmitting the data.
C. Conduct a test to confirm that the management unit does not transmit the data.
A. Make sure you press the switch when you hear the boarding music.
B. Make sure you press the switch after you hear the boarding music.
C. Make sure that you hear the boarding music after you push the button.
A. When the cumulative revised pages (including back-up pages) exceeds 60% of the total pages of the manual, a reissue should be prepared.
B. If the updated pages, including back-up pages, were less than 60% of the total page of the manual, a new manual should be copied.
C. Up to 60% of total pages (including back-up pages) were accumulated by mistake, the manual should be rewritten.
A. Bleed the hydraulic system.
B. Pressurize the hydraulic system.
C. Depressurize the hydraulic system.
A. When stop the engine, make sure that the engine decelerates to 500 RPM.
B. If the engine decreases to 500 RPM, you must stop it.
C. When the engine RPM decreases 500, you＇d better stop the engine.
A. You can use the module to disassemble the disassembly fixture.
B. The module that you can use to disassemble is the disassembly fixture.
C. You can use the disassembly fixture to disassemble the module.
