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.
答案：C
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.
答案：C
A. A small amount of oil remains in the starter.
B. Little oil is stored in the starter.
C. The starter consumes a few oil.
A. There are two methods of loading the tank.
B. The load is determined in two ways.
C. You have to fill the tank twice.
解析：这道题目是关于加油的方法的。选项A说有两种加油的方法，这是正确的答案。现在让我通过联想和生动有趣的例子帮助你更好地理解这个知识点。
想象一下你有一辆汽车，汽车的油箱空了，需要加油。在加油站，你可以选择两种不同的加油方式。第一种方式是使用加油枪直接往油箱里加油，这是一种方法。而第二种方式是使用加油桶将油倒入油箱，这是另一种方法。所以，这道题目中提到的两种方法就是指这两种不同的加油方式。
A. Light L4 illuminates within 5 seconds.
B. Light L4 comes on after 5 seconds.
C. Light L4 comes on 5 seconds before.
A. If abbreviations have special meanings, they may be used.
B. Abbreviations should not be used if they are universally meaningful.
C. Only use abbreviations whose meanings are generally recognized.
A. If you use cleaner in a closed space, make sure that there is ventilation in the work area.
B. Ensure that there is adequate airflow in the work area when using solvent in an enclosed space.
C. If you use solvent in a confined space, make sure that there is restricted airflow in the work area.
A. Use white paper with good strength characteristics and enough weight and substance to eliminate excessive print leakage when printing on both sides.
B. Use good white paper with high strength quality and of adequate weight to delete excessive show-through when printed on both sides.
C. Use white paper with good strength and of sufficient weight and substance to prevent overmuch ink show-through the paper when printed on both sides.
A. The responsibility of ABC is not to modify the airplanes that belong to STC.
B. It is not STC＇s responsibility to modify ABC＇s aircraft.
C. ABC is not in charge of the aircraft modified by STC.
A. The function of the rules in this specification is to direct the revising of all materials that are contained in Maintenance Manuals prepared by manufacturers.
B. With respect to format, style and method of presenting for all materials which are contained in Maintenance Manuals prepared by manufacturers, you can refer to the rules that are included in this specification.
C. When presenting format, style and method for rules of this specification, all materials of Maintenance Manuals prepared by manufacturers shall be accorded with.
A. Ground service bus has no power, but the external power can be supplied.
B. Ground service bus is not energized with external power.
C. Ground service bus is power off when external power is supplied.
A. Disconnect the connection. This connection is downstream of the valve.
B. Disconnect the connection. The valve is downstream of the connection.
C. Disconnect the valve. The valve is downstream of the connection.
