714. An important occurrence that can cause damage or have dangerous results

A. 吹干传输管和喷油管中的空气。

B. 吹干冰使其通过传输管和喷油管。

C. 吹干空气使其通过传输管和喷油管。

A. Many readers have little knowledge of English. Complex sentence structure and the large number of meanings and antonyms that many English words have can cause misconception.

B. Many readers have a limited knowledge of English. Complex sentence structure and the large number of meanings and synonyms that many English words have can cause confusion.

C. Many readers have a little knowledge of English. Complex sentence structure and the large number of meanings and homonyms that many English words have can cause frustration.

A. Your skin and lungs can be protected.

B. Your skin and lungs can be harmed.

C. Your skin and lungs can be harmed suddenly.

A. When you try to change a word, make sure that the substitute you choose doesn＇t replace the meaning of the sentence.

B. Make sure that the chosen replacement word will not vary the implication of the sentence if you replace a word.

C. When you replace a word, always make sure that the alternative you select does not change the meaning of the sentence.

A. 移除所有不必要的地面工具

B. 不必要移除所有的地面设备

C. 移除所有不必要的地面设备

A. 通过初始适航的方案,实际上组成飞机的每个部件都参与了某种形式的存放、检查、预防性维护、大修、修理和/或更换活动。

B. 通过持续适航的方案,实际上组成飞机的每个部件都参与了某种形式的存放、检查、预防性维护、大修、修理和/或更换活动。

C. 通过持续适航的方案,实际上组成飞机的每个部件都参与了某种形式的预检、检查、预防性维护、大修、修理和/或翻新活动。

A. 覆盖物正覆盖在动力装置上和周围。

B. 覆盖在动力装置上和周围的可拆卸覆盖物。

C. 覆盖物正覆盖在动力装置上。

A. 在这种结构中,液压流过这个活门。

B. 在这种构型中,液压旁通这个活门。

C. 在这种构型中,水流旁通这个活门。

A. 停在地面时,在液力系统没有增压的清况下,升降舵的正常位置是低垂位到伺服控制止挡

B. 在地面模式,在液力系统没有增压的清况下,升降舵的正常位置是向下偏转到伺服控制止动位

C. 在地面时,在液力系统增压的清况下,升降舵的正常位置是向下偏转到伺服控制止动位

A. 时刻是一个项目的重量和它的手臂的乘积。

B. 力矩是一个项目的重量除以它的力臂的产物。

C. 力矩是一个项目的重量乘以它的力臂的乘积。