A、 A mixture of fuel and oxygen can cause an explosion.
B、 Fuel and oxygen react with each other to cause explosion.
C、 A mixture of fluid and oxygen can be set on fire.
答案：A
A、 A mixture of fuel and oxygen can cause an explosion.
B、 Fuel and oxygen react with each other to cause explosion.
C、 A mixture of fluid and oxygen can be set on fire.
答案：A
A. The space equipment releases the air from the compound.
B. The vacuum equipment decreases the air from the compound.
C. The vacuum equipment removes the air from the compound.
A. 连接可以连接的导线。
B. 把断开的导线重新断开。
C. 连接断开的导线。
A. 为了保证飞机的适航性，飞机被推荐了检查程序。
B. 推荐的检查方案随飞机一并交付，以保证其适航性。
C. 飞机交付了推荐的检查程序，以保持它们的适航性。
A. The fragile connector is usually closed.
B. The quick-break switch is normally in the off position.
C. The frangible fitting is a normally closed valve.
A. Detach the sensor to establish a physical connection with the adjoining structure.
B. Install the sensor to block access to the adjacent structure.
C. Take out the sensor to reach to the neighboring structure.
A. 出于标记的简单性，这些调整片分隔器应该被放大。
B. 为便于参阅，这些隔页签应交错排列。
C. 为引用方便，这些调整片分配器应该被储存好。
A. Do not install 0.1 mm thick shims.
B. Do not install shims which are more than 0.1 deep.
C. Do not install shims that are more than 0.1 mm thick.
A. If you find cracks, refer to the table that follows.
B. If you find dents, refer to the table that follows.
C. If you find scratches, refer to the table that follows.
A. 列出只是示例的技术名称。不需要列出所有可能的技术名称。
B. 列出的技术名称是唯一的示例。这个包括所有可能的技术名称列表并不完整。
C. 列出的技术名称只是示例。该列表没有完整地列出所有可能的技术名称。
A. 在757上外电源由BPCU检查后再接入电网。如果外电源检查正常，断路器闭合。
B. 在757上外电源由BPCU检查后再接入电网。如果外电源检查正常，接触器关闭。
C. 在757上外电源由BPCU检查后再接入电网。如果外电源检查正常，接触器闭合。
