A、 Visual difference is acceptable between the previous surface and the new surface.
B、 There should be no visual difference between the initial surface finish and the new surface finish.
C、 It is forbidden to have acoustic difference between the former surface finish and the new surface finish.
答案:B
A、 Visual difference is acceptable between the previous surface and the new surface.
B、 There should be no visual difference between the initial surface finish and the new surface finish.
C、 It is forbidden to have acoustic difference between the former surface finish and the new surface finish.
答案:B
A. If you do not obey this precaution injury to your skin and lungs can occur.
B. If will damage to your skin and liver unless you follow the cautions.
C. If you understand the instructions, your body will not be hurt.
A. The user of this schematic diagram is the mechanic
B. The user of this schematic diagram is the pilot
C. The user of this schematic diagram is the flight attendant
A. 勤务氧气前,停止所有的加放燃油,液压系统的所有维修,以及所有使用易燃材料的程序,如清洁和除冰材料。
B. 充氧前,停止所有加油,修理燃油和液压系统,以及所有使用易炸材料的程序如清洁和除冰液。
C. 充氧前,停止所有加油,燃油和液压系统的所有维修,以及所有使用易燃材料的程序如清洁和除冰材料。
A. 对于小型或相关复杂的飞机,可以使用简化的索引方法。
B. 对于小型或相对不复杂的飞机,可以使用简化的索引方法。
C. 对于小型或相对不复杂的飞机,可以使用缩写方法来标注使用。
A. L1 entry door life vests were not installed by flight crew.
B. Life vests at L1 entry door flight crew station not install.
C. Life vests were not installed at L1 entry door flight crew station.
A. An in-line flow indicator is embodied in other configurations. If there is oxygen, the color of the indicator becomes green.
B. The oxygen is dyed green in other configurations that include an in-line flow indicator.
C. The present oxygen indicator comes on green due to an in-line flow in the other configurations.
A. GET AWAY
B. LEAVE
C. GO AWAY
A. 当你使用一个被认可的词时,确保你只把它用作演讲的一部分
B. 当你使用一个批准词汇时,确保你只使用它的那种词性
C. 当你使用被批准的词汇时,确保你只把它用作一种句子成分
A. 警告和告诫应置于其适用的文本前,但注释则可以根据需强调的内容置于相应文本前或文本后。
B. 警告和告诫应置于其适用的文本后,但注释则可以根据显示的材料内容置于文本前或文本后。
C. 警告和告诫应置于其适用的文本上方,但注释则可以根据需要强调的文本内容置于其上方或下方。
A. magnesium belongs to the combustible materials of Class D fire.
B. Hydraulic fluid, oil and fuel belong to the combustible materials of Class D fire.
C. Paper and wood belong to the combustible materials of Class D fire.