举一反三
- A ________ skin is easily damaged by too much sunshine.
- The aircraft really got off the ground in 1903.
- 中国大学MOOC: A skin is easily damaged by too much sunshine.
- Takeoff is the phase of flight in which an aircraft goes through a _____ from moving along the ground (taxiing) to flying in the air, usually starting on a runway.
- A ________ skin is easily damaged by too much sunshine. A: sensory B: sensitive C: sensible D: secure
内容
- 0
If a well is damaged, then the skin factor S will be_______ . A: negative B: positive C: zero D: changed
- 1
Which section of the Bay Bridge was damaged in the 1989 earthquake?
- 2
All the flight instruments operate on air taken from outside of the aircraft during flight.
- 3
The term ___＿is used because the aircraft pivots around the axis of its main landing gear while still on the ground, usually due to manipulation of the flight controls to make this change in aircraft attitude.
- 4
请将下列段落翻译成汉语：Air traffic control (ATC) is a service provided by ground-based controllers who direct aircraft on the ground and in the air. The primary purpose of ATC systems worldwide is to separate aircraft to prevent collisions, to organize and expedite the flow of traffic, and to provide information and other support for pilots when able.