Do not operate the brakes to decrease the pressure in the accumulators.

A. When a capital letter or a symbol is used for a unit of measurement, you should take it and the number before it as a word.

B. When used in measurement, the acronym or the symbol and the related number should be taken as a word.

C. When you write an abbreviation or a symbol for a unit of measurement, count it and the preceding number as one word.

A. Using a locally made tool to do the test is also accepted.

B. You can also make a local tool to do this test.

C. You can also make a tool to do this test locally.

A. Restrictions on use of cabin pressurization during Takeoff, landing, or in flight shall be noted

B. That portion of the system is used to de-ice all airfoil surfaces once ice is formed.

C. All airfoil surfaces are equipped with that portion of the system to stop ice formation.

A. Make sure that the scale is not more than 400 knots.

B. Make sure that the indication is not more than 400 knots.

C. Make sure that the indication is not more than 400 miles.

A. Keep all the parts that are serviceable and discard those that are broken.

B. Retain the parts that are functional and discard those that are of poor condition.

C. Keep all the parts that are operational and drop those that are contaminated.

A. 当飞机在地面上时支撑飞机机头的那部分系统，包括减震支柱、阻力支柱、门、连接装置、固定螺栓等。

B. 当飞机在地面上时支撑飞机机头的那部分系统。包括刹车、浮子、门、轮胎、固定螺栓等。

C. 当飞机在地面上时支撑飞机机头的那部分系统。包括驱动机构、转向架饰件、门、跳板、上下门闩等。

A. Inform the administration of the problem.

B. Announce the problem to the operator.

C. Tell the manufacturer about the problem.

A. 任何关于限制，仪表标识或者指示牌的改变，会在飞行操作手册的基本限制（第二部分）被说明。

B. 任意改变极限，仪表标记或者指示牌的基本限制应该在飞行员操作手册中规定。

C. 对飞行员操作手册基本限制（第二部分）中的限制、仪表标志或标牌的任何变更均应予以说明。

A. 将测量误差值控制在正或负0.2毫米内。

B. 误差为正负0.2毫米。

C. 标准公差尺寸为正负0.2米。

A. Review the failures report from the logbook and related fault messages with center DU or CDU, debrief the flight crew for faults and report them for handling.

B. Either the logbook or center DU/CDU shall be checked for faults records and related fault information, then review the faults reported by the flight crew and take actions.

C. Consult the failures report from the logbook to find the related information on center DU or CDU, listen to the crew for faults report. Report faults and handle them.