A、 The computer needs to be backup at each interval.
B、 The backup of the computer is necessary.
C、 Back up your computer regularly.
答案：C
A、 The computer needs to be backup at each interval.
B、 The backup of the computer is necessary.
C、 Back up your computer regularly.
答案：C
A. Put the bell crank and shaft with identification to prevent improper installation.
B. Identify the bell crank and shaft with marks to prevent wrong installation.
C. Put the bell crank and shaft with identification to prevent wrong installation.
A. According to the "GAMA Specification No.1", compile the Pilots Operating Handbooks.
B. Prepare Pilots Operating Handbooks through "GAMA Specification No.1".
C. Edit "GAMA Specification No.1", in accordance with Pilots Operating Handbooks.
A. The shim is t,which is thick by calculating x and y.
B. Calculate the shim,the result of the thickness is x-y .
C. The thickness of the shim is thus calculated: t=x-y.
A. The job is required to be divided into logical steps or operations.
B. This needs to break the work and distribute the logical steps or operations.
C. This requires to destroy the job logically into steps or operations.
A. The location where a red mark is on the pin needs to be lubricated.
B. You should identify the red mark on the lubricant point.
C. The lubrication point shows that you can find marks on the pin.
A. Use the specified one if the equivalent material is not available.
B. Use the available equivalent one if no material is specified.
C. If you can not get the specified material, use an equivalent.
A. However, an “emergency” almost always entails a failure that requires to respond immediately and rapidly, for example, the situations that a total powerplant fails, the fire or smoke occurs, or the cabin are depressurized rapidly.
B. An “emergency” however, almost always causes a malfunction that requests immediate and rapid response, such as the whole powerplant failure, fire or smoke, or rapid cabin pressurization.
C. However, an “emergency” is often related to a failure that demands respond simultaneously, such as the complete failure of the powerplant, fire or smoke, or rapid cabin warming.
A. Take care to the absence of leakage during the execution of each step in the valve test.
B. Throughout the valve test, verify that there are no obvious signs of leakage at each step.
C. Make certain that no leakage is present as you proceed with each step of the valve test.
A. Advisory circular must always be carried out on aircraft.
B. Advisory circular is the procedure that must be used when performing maintenance on an aircraft.
C. FAA provides advisory circular which is not always carried out on aircraft.
A. The removal/installation portion shall state clearly the sequence of steps required to remove and reinstall a component or unit. This portion shall also state precautions to be obeyed.
B. The removal/installation portion shall state clearly the sequence of steps required to remove and reinstall a component or unit. This portion shalln’t include precautions to be obeyed.
C. The removal/installation portion shall hardly state the sequence of steps required to move and reinstall a component or unit. This portion shall also include precautions to be watched.
