【填空题】?Lesson One Text A 课本课后练习 选词填空 C...
【填空题】Lesson One Text A 课本课后练习 选词填空 Complete the following sentences by filling the blanks with the words or phrases given below. fuselage, avionics, depressurization, aerodynamics aeronautics, aerial, steerable, metal fatigue Cabin________ above 10000 feet may lead to unconsciousness or severe performance of degradation of the aircrew, therefore, it requires an emergency descent to a safety altitude. The new trainers have a modern cockpit environment of digital displays, sophisticated navigation and advanced ________. __________ is the central portion of an aircraft designed to accommodate the crew, the passengers and the cargo. A_______ nosewheel or tailwheel permits the airplane to be controlled throughout all operations while on the ground. The new metal structures were lighter and stronger than the old materials. With the use of these new materials came new problems like_______ , cracking, and corrosion. _______ is the study of forces and the resulting motion of objects through the air, which including the measurement of the forces of lift and drag. If possible, conduct ______visual inspection of unfamiliar airports before landing so as to prevent landing errors due to optical illusions. _______is the science or art involved with the study, design, and manufacturing of air flight capable machines, and the techniques of operating aircraft and rockets within the atmosphere.