An airport is a transportation center used for the landing and takeoff of aircraft, and provides transportation solely for people.
举一反三
- An airport is a transportation center used for the landing and _______ of aircraft, and it provides transportation both for people and freight. A: taking off B: taken off C: takeoff D: take off
- _________is a procedure used by aircraft in certain emergency situations before a return to the airport shortly after takeoff or before the landing short of its intended destination to reduce the aircraft's weight. A: fuel jettison B: refuelling C: circling D: diversion
- 中国大学MOOC: An airport should be designed to move __________, cargo, mail, aircraft and surface transportation vehicles efficiently, rapidly and pleasantly.
- ______is largely used for freight. A: Rail transportation B: Water transportation C: Truck transportation D: Air transportation
- Among the following modes of transportation, ( ) is the earliest mode of transportation used by human beings, but it still plays an important role in the modern transportation system. A: Railway transportation B: Water transportation C: Road transportation D: Pipeline transportation