这种化合物能释放有毒的烟雾。

A. 获取一桶燃油，并做一项含水量测试。

B. 取一份燃油样品，并进行一项水污染测试。

C. 获取一份燃油资料，并分析水含量。

A. IAS shall be monitored continuously until the end of the test.

B. Monitor the speed indication as long as the test continues.

C. Monitor the speed indication continuously until the end of the test.

A. Additional information may follow the check list to make the check list easier for the pilots to understand it.

B. The additional information should be followed by the pilots to make better understanding the check list.

C. The additional information is followed the check list, to make the pilots better understanding the check list the pilots should read it in sequence.

A. 21章指随飞机提供的供应商数据，以填充以下 -00 至 70 节（如适用）。

B. 21章可参考随飞机提供的供应商数据，来填充以下 -00 至 70 节（如适用）。

C. 21章可以指随飞机提供的供应商数据，按照从-00 至 70 节的顺序（如适用）。

A. When the weight or torque of the aircraft change, illustrate how to keep this record in order to save the exact initial values to measure the weight and heavy center in normal flight.

B. Explain how to maintain this record when changes to the weight or moments of the airplane are made so that accurate starting data is available to calculate the weight and center of gravity during normal operation of the airplane.

C. When the changes to the mass or momentum occur, show the way to hold this record to get the beginning information easily to compute the mass and gravity core.

A. 确保钢索张力正常。

B. 确保锁定线束绷紧。

C. 确保保险丝有张力。

A. 警告：关闭舱口前，确保机组休息室中没有人员。舱口关闭时，舱室没有气流，存在中毒的风险。

B. 警告：关闭舱门前，确保机组休息室中没有人员。舱口关闭时，舱室没有气流，存在窒息的风险。

C. 警告：关闭门栓前，确保机组休息室中没有人员。舱口关闭时，舱室没有气流，存在缺氧的风险。

A. 来自压气机的空气与来自燃油喷嘴的燃油在燃烧室混合。

B. 从压气机出来的空气和燃油在燃烧室混合。

C. 从压气机出来的空气和从燃油喷嘴出来的燃油在燃烧室燃烧。

A. The wing tanks and the center tank have the same rate of supply of fuel.

B. The rate of supply of fuel from the wing tanks to the center tank is equal.

C. The fuel supply rate from all wing tanks and the center tank is the same.

A. 相关警戒灯必须在30秒后熄灭。

B. 故障的警告灯必须在30秒后关闭。

C. 相关警告灯会在30秒后熄灭。