A、 An alphanumeric identifier is an assembly of characters and numbers. It can recognize something.
B、 An symbolic-numeric identifier is an assembly of symbols and numbers. It can identifies something.
C、 An alphanumeric identifier is a combination of letters and numbers that identifies something.
答案：C
A、 An alphanumeric identifier is an assembly of characters and numbers. It can recognize something.
B、 An symbolic-numeric identifier is an assembly of symbols and numbers. It can identifies something.
C、 An alphanumeric identifier is a combination of letters and numbers that identifies something.
答案：C
A. Clean the surface to make sure that the sealing is satisfactory.
B. Clean surfaces to ensure the bonding as required.
C. Clean the surface to make sure that the bond is satisfactory.
A. 转动凸轮以松开管路
B. 转动卡以使管路自由移动
C. 转动卡箍以松开管路
A. During engine run, the number 1 engine oil pressure watch swings.
B. During engine run, the number 1 engine oil pressure gauge fluctuates.
C. During engine run, the number 1 engine oil pressure indication moves.
A. If you have no doubt about the serviceability of the unit perform a standard serviceability test.
B. If you have no knowledge about the serviceability of the unit do a standard serviceability test.
C. If there are doubts about the serviceability of the unit, carry out a standard serviceability test.
A. Some service reports are used to select items that are similar in application,design and loading to do the inspection.
B. Some service reports were used to select items that are similar in application design and downloading to do the check.
C. In order to do the inspection, some service reports used to choose programs similar in apply, design and loading.
A. drink contaminated water.... must happen.
B. drink water free xxx, illness can occur.
C. Drink water with Xxx, you will be sick.
A. Before install the software, the plane has to be on the ground and the engines shut down.
B. The airplane must be on the ground with the engines power off before you can install software.
C. The aircraft should be on the ground and engines power off before you upload the software.
A. 调节暗亮开关,改变光线的强度。
B. 调节调光开关,改变灯的亮度。
C. 调节调光开关,改变光线的强度。
A. Make an enter in the logbook to show that you did the deactivation procedure.
B. Make an entry in the logbook to show that you did the deactivation procedure.
C. Make an entrance in the logbook to show that you did the activation procedure.
A. 确保指示灯点亮后叶片展开。
B. 确保叶片打开时指示灯点亮。
C. 确保叶片展开的过程中指示灯点亮。
