19、lf the maintenance message does not show in CURRENT STATUS; then there was an intermittent fault.

A. 　 The housing for the voice recorder unit has these properties、 water tolerance,
resistant

B. 　 The container for the voice recorder unit has these properties、 waterproof , spin resistant and heat
resistant.

C. 　The container for the voice recorder unit has these properties、 watertight, shock resistant and heat
resistant.

A. 　 This example shows that we were only allowed to calculate the data applicable to Type B

B. 　 The data we are now calculating in this example apply only to Type B unit.

C. 　 The data used for the calculations in this example apply only to type B unit

A. 　 Definitions in this manual shall be conformed with those in the Federal Aviation Legislations.

B. 　 Definitions in the handbook shall be consistent with definitions contained in the Federal Aviation
Regulations.

C. 　 Definitions in the Federal Aviation Regulations shall be consistent with definitions contained in the
handbook.

A. 　确保束缚杆没有与安装在地板上的逃离滑梯支架啮合。

B. 　确保束缚杆没有装在地板上的逃离滑梯支架上。

C. 　确保束缚杆没有与在地板上的逃离滑梯支架对齐。

A. 　 The distance between the edge of the panels and the partition must be less than 0.05 mm.

B. 　 The distance between the edge of the panel and the partition must be equal to 0.05mm

C. 　 The distance between the edge of the panel and the partition must be 0.05 mm or less.

A. 　为了展示简单性和易懂性,复杂系统应该按系统功能划分而不是按主系统原理图。

B. 　为了便于展示和理解,复杂的系统应被划分为系统功能图,而不是整体的主原理图。
c、为了简化显示和便于理解,复杂系统应被分为系统功能区而不是整体系统原理图。

A. 　 Briefly describe and explain principle of operation of any new kinds of flight instruments.

B. 　 The working principles of various ne v flight gauges are easily introduced and expressed.

C. 　 The new types of flight facilities should be described and explained shortly.

A. 　 When there are too many positive or subtractive pressure in the fuel tanks the pressure relief valve eliminates damage to the wing structure.

B. 　 when there is too much plus or minus pressure in the fuel tanks, the pressure relief valve previews damage
to the wing structure.

C. 　 The pressure relief valve prevents damage to the wing structure when there is too much positive or
negative pressure in the fuel tanks.

A. 　在本构型中,必须执行不同的测试程序。

B. 　在本构型中,可以选用不同的测试程序。

C. 　本次会议强制要求使用不同的测试程序。

A. 　 Lock the air inlet valve in the fully open position unless the air inlet flap is not serviceable.

B. 　 lf the air intake flap is not serviceable, lock the air inlet valve in the fully open position

C. 　 Once the air intake flap is serviceable lock the air inlet valve in the fully open position.