举一反三
- The vertical stabilizer is sometimes known as the fin.
- 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。
- horizontal stabilizer
- 垂尾 A: tail assembly B: vertical tail C: horizontal tail D: movable surfaces
- 垂尾 A: tail assembly B: vertical tail C: horizontal tail D: movable surfaces
内容
- 0
Lesson Two Text A True of False8. Landing gear can be classified as retractable and fixed gear.
- 1
The tail usually has a fixed horizontal piece (called the horizontal stabilizer) and a fixed vertical piece (called the vertical stabilizer). A: 尾翼通常有不固定的水平部件（称为水平安定面）和不固定的垂直部件(称为垂直安定面）。 B: 尾翼通常有不固定的水平部件（称为水平安定面）和固定的垂直部件(称为垂直安定面）。 C: 尾翼通常有固定的水平部件（称为水平安定面)和固定的垂直部件(称为垂直安定面）。 D: 尾翼通常有固定的水平片（称为水平稳定器)和不固定的垂直片(称为垂直稳定器）。
- 2
The two sides of a coin are known as ‘______’ and ‘tail’.
- 3
如果使用LinearLayout实现组件垂直排列,那么在xml中应添加()属性设置。 A: android:orientation="vertical" B: android:vertical="true" C: android:orientation="horizontal" D: android:horizontal="true"
- 4
What makes the clerical style especially unique is that the horizontal stroke, also known as _________. A: upward tilt B: downward tilt C: a silkworm’s head and a goose’s tail D: rectangular stroke