A、 The word given in the approved examples is not controlled
B、 The word given in the approved examples is not mandatory
C、 The word given in the approved examples is not a must
答案：B
A、 The word given in the approved examples is not controlled
B、 The word given in the approved examples is not mandatory
C、 The word given in the approved examples is not a must
答案：B
A. 使用听筒侧面的按钮来调节音量。
B. 使用手机旁边的按键来适应体积。
C. 为了加大容量,使用手机侧面的旋钮。
A. 对 2 号发动机进行维修。
B. 对 2 号发动机进行改装。
C. 对 2 号发动机进行大修。
A. Words with lowercase letters are allowed in STE.
B. STE dictionary is permitted to use theUPPERCASE letter word.
C. In STE,a word in capital letters means that it is approve
D. .
A. There are electrically-operated valves in the ejection lines to the two engine pumps.
B. There are electronic-operated valves in the ejection lines to the two engine pumps.
C. There are electrically-operated valves in the suction lines to the two engine pumps.
A. Too much force can cause damage to the sealing components.
B. Excessive force may damage the seal.
C. Too much force can cause damage to the contact surface.
A. Troubleshooting can only be performed after the cause of the malfunction has been found out.
B. You should perform troubleshooting according to the procedure and find out the technical failure.
C. According to the procedure,perform the troubleshooting to solve the cause of the malfunction.
A. Select the specific system that you will apply pressure to.
B. Select the hydraulic system that you will pressurize.
C. Identify the hydraulic system that you will bleed.
A. 真空设备将空气注入到化合物中。
B. 真空设备可以抽走化合物中的空气。
C. 真空设备用于从化合物中提取空气。
A. 对于涡轮发动机,这些单元不能在主燃料快速断开前后为发动机提供或控制燃料的装置、部件和相关的机械系统或电路;以及推力调节器、燃料流量传感、传输和指示单元。
B. 对于涡轮发动机,那些在主燃油快速断开装置之后为发动机提供或控制燃油的组件、部件和关联的机械系统或电路,以及加力燃烧室、燃油流量速率传感器、传输组件和/或快速断开装置之前或之后的指示组件。
C. 对于涡轮发动机,这些单元可以在主燃料快速断开后为发动机提供或控制燃料的装置、部件和相关的机械系统或电路;以及推力调节器、燃料流量传感、传输和指示单元。
D. C.对于涡轮发动机,这些单元可以在主燃料快速断开后为发动机提供或控制燃料的装置、部件和相关的机械系统或电路;以及推力调节器、燃料流量传感、传输和指示单元。
A. 单词在英语中通常有许多不同的意思。
B. 词组在英语中通常有许多难的意思。
C. 单词在英语中通常有许多难的含义。
