单选题如果你不遵守这些预防措施，你的皮肤和肺可能会受伤。

A、 If you do not obey these precautions, injury to your skin and lungs can occur.

B、 It will cause damage to your skin and liver unless you follow the cautions.

C、 If you understand the instructions, you body will not be hurt.

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单选题如需变更维修方案，须经设计部门批准。

A、If the repair scheme must be changed, the approval of the design authority is hardly got.

B、If the design authority need change the repair scheme, it can get the approval.

C、If it is necessary to change the repair scheme, get the approval of the design authority.

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单选题确保油箱里的燃油不超过500升。

A、Make sure that the quality of fuel in the reservoir is not more than 500 liters.

B、Make sure that the quantity of fuel in the tank is not more than 500 liters.

C、Make sure that the quality of oil in the tank is not more than 500 liters.

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单选题 STE句子使用被批准的单词，以不同的方式清楚地给出相同的信息。

A、The STE sentence uses approved words to give the same information clearly in a different way.

B、The STE sentences use the approved different words to vaguely show the same information.

C、STE sentences use different words in approved means to obviously express the same information.

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单选题用软布对表面抛光，直到它变得有光泽。

A、Grind the surface with a soft cloth after it becomes light.

B、Rub the surface with a soft cloth when it becomes brightness.

C、Polish the surface with a soft cloth until it becomes shiny.

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单选题该规范的目的是为了将通用航空飞机所有者和运营人以及维修人员的成本降到最低。

A、The specification is designed to cut off the cost to general aviation airplane owners and operators and maintenance personnel.

B、The target of the specification is to reduce the cost of general aviation airplane owners and operators and maintenance personnel.

C、The objective of the specification is to minimize the cost to general aviation airplane owners and operators and maintenance personnel.

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单选题纵桁和上翼面蒙皮构成通风通道。通风通道在中央油箱内有排放浮子活门。

A、Stringers and the upper wing skin are called vent channels. The vent channels go through drain float valves in the center tank.

B、Stringers and the upper wing skin are compose of the vent channels. The vent channels got exhaust float valves from the center tank.

C、Stringers and the upper wing skin make the vent channels. The vent channels have drain float valves in the center tank.

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单选题在高压电环境下工作时，请遵守安全注意事项。

A、Obey the safety precautions when you do work with high voltages.

B、Obey the safety warnings when you do work with high impedance.

C、Obey the safety cautions when you do work with high capacitance.

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单选题当燃油油面低于活门时，通风导管内的排放浮子活门和通风通道使通风系统内的燃油排放到油箱。

A、The drain float valves in the vent tubes and the vent channels dilute the fuel in the vent system to drain out of the tank when the fuel face is lower than the valve.

B、The drain float valves in the vent tubes and the vent channels permit fuel in the vent system to drain into the tank when the fuel level is lower than the valve.

C、The drain float valves in the vent tubes and from the vent channels allow the fuel in the vent system to drain into the tank when the fuel quantity is lower than the valve.

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单选题 如果你不遵守这些预防措施，你的皮肤和肺可能会受伤。

单选题如果你不遵守这些预防措施，你的皮肤和肺可能会受伤。