1976. If the aircraft is parked on a slope, make sure that wheel chocks are in position ( )

A. 　校准空速指示的是飞机速度,修正了位置和仪表误差;

B. 　校准空速是指修正了位置和仪表误差后飞机的指示速度;

C. 　校准空速是指飞机的指示速度,及被改过的位置和仪表误差;

A. 　旅客客舱排气通过地板管路到再循环系统或者头顶板

B. 　旅客客舱剩余空气通过地板管路到再循环系统或者头顶板

C. 　旅客客舱排气途经地板格栅到再循环系统或者头顶板

A. 　You must obtain medical help as soon as you can.

B. 　You must obtain medical help as more as you can.

C. 　You must obtain medical instructions as soon as you can.

A. 　Use the tube if it＇s worked into 3.3 feet long.

B. 　Use a tube whose length is 3.3 feet.

C. 　The tube which is used is 3.3 feet length.

A. 　Section 1 of the Pilot＇s Operating Handbook shall introduce basic data and information of general interest to the pilot. The data and information is useful in loading, sheltering, handling, and routine preflight checking of the airplane.

B. 　Section 1 of the Pilot＇s Operating Handbook shall present basic data and information of general interest to the pilot. The general interest is useful in loading,sheltering,handling,and routine preflight checking of the airplane.

C. 　Section 1 of the Pilot＇s Operating Handbook shall present basic data and information of general interest to the pilot. The pilot is useful in loading, sheltering, handling, and routine preflight checking of the airplane.

A. 　本部分必须确定每个(部件的)指导更换时间,结构检查间隔以及型号合格证要求的相关结构检查程序。

B. 　本部分必须确定每个强制的型号合格证要求的(部件)更换时间、结构检查间隔以及结构检 查对应的检查程序。

C. 　本部分必须明确型号合格证要求的每个(部件的)强制更换时间,结构检查间隔以及相应的 结构检查程序。

A. 　If the drain hole is blocked, clean it.

B. 　If the drain hole is leaked, clean it.

C. 　If the drain hole is locked, clean it.

A. 　ELECTRICAL GROUNDING

B. 　GROUND

C. 　LANDING

A. 　如果数值[或者量]大于允许值[允许量],记录该数值[或者量]

B. 　如果数值[或者量]与允许值[允许量]一致,记录该数值[或者量]

C. 　如果数值[或者量]与允许值[允许量]有差别,记录该数值[或者量]

A. 　Relatively single units may not require descripted and operated.

B. 　Opposite simple units may not require description and operation.

C. 　Relatively simple units may not require description and operation.