1920. Never answer the phone while driving

A. Check wash basin drains, water tap and its lines for leakage.

B. Inspect the washing sink, faucet and its pipe for leakage.

C. Examine the washing hand drain port,tap and the line for crack.

A. The airplane is not certified for takeoff if it installs the autopilot system.

B. The airplane is certified for takeoff with the autopilot Engaged

C. With the autopilot engaged, airplane is uncertified for takeoff.

A. Print all pages besides wiring diagrams and foldouts on both sides.

B. Print all pages other than wiring diagrams and foldouts on both sides.

C. Print all pages no more than wiring diagrams and foldouts on both sides.

A. 拉力连杆组件将拉力载荷从轮轴传递到减震支柱。

B. 张力连杆组件将张力负载从轴心传递到减震支柱。

C. 扭力连杆组件能将扭力载荷从轴传递到减震支柱。

A. A hydraulic pump operates the motor.

B. A fuel pump operates the motor.

C. A hydraulic motor operates the pump.

A. There is no influence on your eyes for hydraulic fluid.

B. Hydraulic fluid has no effect on your eyes.

C. Hydraulic fluid can cause eye injury.

A. 锁紧件

B. 安全带

C. 紧固件

A. 每页底部应标明页码和发行日期或修订日期

B. 每页都应有页码和日期或改版日期

C. 每页都应有页码,并且日期或改版信息在底部

A. 飞机上一些油箱用于储存燃油,一些油箱用于飞机配平

B. 飞机上用于储存燃油的油箱需要用空气进行配平

C. 一些油箱被叫做配平油箱,因为它们不仅储存燃油,也用于飞机配平

A. Set the air conditioning switch to the up position.

B. Place an air conditioning switch above the normal position.

C. Put one of the pack switches in the HIGH position