According to the text, why are test flights most dangerous()
A: The plane may explode in the air.
B: The pilot may lose control of the plane.
C: The engines may be damaged.
D: Too much air may get into the plane.
A: The plane may explode in the air.
B: The pilot may lose control of the plane.
C: The engines may be damaged.
D: Too much air may get into the plane.
B
举一反三
- 智慧职教: The most useful sentence you may use on the plane is ____________.
- By doing the "tank test", the engineers can find out() A: the amount of air in the plane B: the strength of the plane structure C: the pressure inside and outside the plane D: the power of the airplane engines
- Which<br/>plane that axial surfaces of folds are parallel to? ____ A: plane<br/>AB B: plane<br/>AC C: plane<br/>BC D: anyone may be possible
- People _____ in air traffic control may monitor aircraft movement in control tower.
- “Board the plane” means _________ A: go out of the plane B: leave the plane C: enter the plane D: run away from the plane. E: C
内容
- 0
智慧职教: The plane may prepare some movies and music for the passengers during the flight.
- 1
The first thing George did at the training school was （） A: to take an experienced pilot in a plane B: to be taken up into the air in a plane by an officer C: to fly a commercial plane D: to talk about his ideas
- 2
If you took a plane to a place, you went there ________. A: on plane B: through plane C: by air D: in sky
- 3
People listen to music on the following three planes: (1)the _____________ plane, (2) the ___________plane, (3) the___________ _____________ plane.
- 4
The contour lines on the plane are the lines parallel to the H-plane in the plane.