1515. If a pronoun can refer to one or more nouns in a text, it can make a sentence ambiguous If a sentence is ambiguous, replace the pronoun with the word that it refers to This will make the sentence clear and easier to read

A. 两次检查后最少等待两分钟。

B. 两次检查之间的最短时间是两分钟。

C. 两次检查之间最多等待两分钟。

A. 如果其他地方提供了信息,则改版记录是可选的。

B. 如果其他地方提供了信息,则改版记录是必选的。

C. 如果其他地方提供了信息,则改版记录是过期的。

A. Do not make the pressure became less than (or more than)20 psi.

B. Do not let the pressure become less than (or more than)20 psi.

C. Do not let the pressure close less than (or more than) 20 psi.

A. 内部喇叭打到开位并且保持在开位,当探测器有动力的时间够长,并且烟雾传感器探测到烟雾。

B. 只有探测器有电, 并且烟雾传感器探测到烟雾, 内部开关才会打开到开位并且保持在开位。

C. 只要探测器有电源并且烟雾传感器探测到烟雾,内部的喇叭就会打开并且保持在开位。

A. You had better not to weld engine components when the engine is installed on the airframe.

B. You＇re not allowed to operate engine components when the engine is installed on the airframe.

C. You had-better not to weld engine components when the engine is running.

A. Use back thrust to change the director of the exhaust to achieve contrary thrust.

B. Thrust reverser is used to change the direction to the exhaust gases for reverse thrust.

C. To change the direction of the exhaust nozzle, the thrust reverser is used to obtain the opposite thrust.

A. 外部配色方案和标记是保留给航空公司使用的;

B. 外部配色方案和标志是用于航空公司的;

C. 外部配色方案和标记是航空公司保存的;

A. The lights change from dim to bright.

B. The navigation lights change from off to bright.

C. The navigation lights change from dim to bright.

A. 将线路穿过线槽顶部

B. 将天线穿过基座顶部

C. 将天线穿过插槽顶部

A. Grab a plier to release the clips.

B. Grab a screwdriver to release the bolts.

C. Grab a screwdriver to release the clips.