2678.APU 排气是危险的。

A. Please stand near the moving surfaces.

B. Never stay near the removed surfaces.

C. Do not stay near the moving surfaces.

A. 机翼和发动机载荷取决于最大起飞重量和额定起飞马力以及机翼面积。

B. 机翼和电源负载取决于最大起飞重量和起飞马力评定值以及机翼面积。

C. 机翼和动力载荷决定了最大起飞重量和起飞马力评定值以及受力表面积。

A. 这个日期模块告诉你如何操作这个单位。

B. 这个数据模块告诉你如何计算这个单元。

C. 这个数据组件告诉你如何操作这个装置。

A. If the tire temperature is unusually high,open the valve.

B. If the tyre pressure is insufficiently high,open the valve.

C. If the tire pressure is unusually high,open the valve.

A. For normal operations,make sure the pressure relief valve is closed.An open pressure relief valve is a symptom of a problem in the fuel vent system.

B. For normal operations,make sure the shutoff relief valve works.If you open pressure relief valve,that indicates a problem in the fuel vent system.

C. For normal operations,make sure you close the pressure relief valve.If you leave it open,a problem will be shown in the fuel vent system.

A. Be careful not to get acid on your skin.

B. Prohibit not to get acid on your skin.

C. Be careful not to get alcohol on your skin.

A. A small child should sit in an unlimited seat.

B. A small child needs to sit in a seat with safety device.

C. A small child could sit in an adult seat.

A. Obey the procedure if there is no debris in the oil sample.

B. If the fuel is not polluted,go on with the procedure.

C. If there is no contamination in the fuel sample,continue the procedure.

A. 如果你低下头去安装上阻力杆,在收起期间将撞击到下阻力杆。

B. 如果你顶部朝下地安装上阻力杆,在收起期间它将撞击到下阻力杆。

C. 如果你反向地安装上阻力杆,在放下期间它将撞击到下阻力杆。

A. You can combine the drains into three primary categories.

B. You can divide the drains into three primary groups.

C. Dividing the drains into three primary groups is an ill-advised option.