A、 一架飞机包括五个结构单元,它们是机身,机翼,副翼,升降舵和起落架
B、 一架飞机包括五个结构单元,它们是机身,机翼,安定面,飞行操纵舵面和起落架
C、 一架飞机包括五个结构单元,它们是机头,机翼,副翼,升降舵和起落架
答案：B
A、 一架飞机包括五个结构单元,它们是机身,机翼,副翼,升降舵和起落架
B、 一架飞机包括五个结构单元,它们是机身,机翼,安定面,飞行操纵舵面和起落架
C、 一架飞机包括五个结构单元,它们是机头,机翼,副翼,升降舵和起落架
答案：B
A. Appoint two persons to be prepared to operation the fire extinguishers.
B. Talk two persons to be prepared to operate the fire extinguishers.
C. Tell two persons to be prepared to operate the fire extinguishers.
A. This compound can eliminate poisonous fumes.
B. This compound can release poisonous fumes.
C. This composite alloy can release poisonous fumes.
A. There is no influence on your eyes for hydraulic fluid.
B. Hydraulic fluid has no effect on your eyes.
C. Hydraulic fluid can cause eye injury.
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. Apply a layer of solvent on the top access panel
B. Apply a layer of sealant on the top access panel
C. Apply a layer of sealant on the bottom access panel
A. 风扇有自动开关用以保护风扇过热受损。
B. 风扇有保护电门用以防止风扇过度受损。
C. 风扇有热电门用以避免风扇过热受损。
A. Don’t let the stresses inside the material exceed the elastic limit but permanent deformation will result.
B. Don’t let the stresses inside the material exceed the elastic limit otherwise permanent deformation will result.
C. Don’t let the stresses inside the material exceeding the elastic limit or else permanent deformation will result.
A. The total quantity of fuel in the center tank is 5000 lb.
B. The Total Fuel Quantity of the main tank is 5000 pounds.
C. The total fuel consumption from the center tank is 5000 pounds.
A. 断开这些跳开关,装上安全夹,并挂上标牌
B. 打开这些跳开关,打保险,然后填写标牌
C. 打开这些跳开关,确保其安全性并挂上标牌
A. 包含大写字母加名词或数字加名词的术语,通常用于描述某物的形状或结构。
B. 包含大写字母加名词或数字加名词的条款,通常用于描述某亭的形式或特性。
C. 项目首字母加名词或者数字加名词的,通常要描述某物的外形和构造。
