A、 When you change a word, always assure that the alternative you choose does not change the sequence of the sentence.
B、 When you replace a word, always make sure that the alternative you select does not change the meaning of the sentence.
C、 When you exchange a word, always ensure that the alternative you pick does not change the order of the sentence.
答案：B
A、 When you change a word, always assure that the alternative you choose does not change the sequence of the sentence.
B、 When you replace a word, always make sure that the alternative you select does not change the meaning of the sentence.
C、 When you exchange a word, always ensure that the alternative you pick does not change the order of the sentence.
答案：B
A. The condenser decreases the temperature of the air in the air conditioning pack to below the dew point, changing water vapor into liquid.
B. The cooler lowers the air temperature to the boiling point in the air conditioning module, which can transfer the steam into water.
C. The evaporator turns steam into liquid by reducing the temperature of the air in the air conditioning pack to the evaporating point.
A. 检查机翼油箱内部。
B. 间歇地检查机翼油箱。
C. 给油箱做深入式测试。
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.
A. Airline performance data shall be presented in either graphical or tabular formats.
B. Airplane performance data shall be presented in either graphical or tabular formats.
C. Airplane restriction data shall be presented in either graphical or tabular shapes.
A. 确保两个活塞伸出长度相等。
B. 确保两个作动筒同时伸出。
C. 确保同时放出两个活塞。
A. The elevator is used for yaw control.
B. The rudder is used for yaw control.
C. The rudder is used for pitch control.
A. 描述飞机起落架时，应说明应急展开系统。
B. 描述飞机起落架时，应描述起落架应急放出系统。
C. 描述飞机起落架时，应说明应急逃生系统。
A. There are several steps to replace the light assembly.
B. The steps to replace the light assembly are not complicated.
C. The following steps are to change the light component.
A. Caution notes regarding possible hazards of using authorized and unauthorized cleaning agents shall be included.
B. Caution notes regarding use of unauthorized cleaning agents and possible hazards of using authorized ones shall be included.
C. Caution notes regarding use of authorized cleaning agents and possible hazards of use of unauthorized ones shall be included.
A. 前、后货舱电子组件是相同的。
B. 前、后货舱电子组件是可识别的的。
C. 前、后客舱电子组件是可用的。
