Lesson Two Text A True of False7.Empennage, also known as the tail of an airplane, consists of vertical stabilizer or fin and horizontal stabilizer.

horizontal stabilizer

The vertical stabilizer is sometimes known as the fin.

‏The vertical stabilizer is sometimes known as the fin.‏

The vertical stabilizer is sometimes known as the fin. A: 正确 B: 错误

The empennage consists of the vertical stabilizer (sometimes known as the fin), and the horizontal stabilizer. A: 发动机由垂直安定面（有时称为鳍）和水平安定面组成。 B: 尾翼由垂直安定面（有时称为鳍）和水平安定面组成。 C: 机翼由垂直安定面（有时称为鳍）和水平安定面组成。 D: 尾翼由垂直安定面（有时称为鳍）和水平安定面组成。

Which of the following is least likely an automatic stabilizer A: Property taxes. B: Corporate profit taxes. C: Unemployment compensation.

下列选项中表示缓冲器的是哪一项？ A: buffer B: stabilizer C: shock absorber D: coil spring

下列选项中表示螺旋弹簧的是哪一项？ A: stabilizer B: wheel web C: braking pedal D: coil spring

词汇与结构 When higher forces are required to generate sufficient elevator control to flare for landing, stabilizer trim is available to _________ the sustained control column force.