故选C。 【5题详解】 细节理解题。根据第二段的 “Mack faced many challenges during his adventure. Because of his small-sized aircraft, he had to land whenever the weather got too rough. However, at some points he literally (确实地) couldn't land, such as when flying non-stop for 10 ...
Learn how to 3D print. 3D printing or additive manufacturing is a process of making three dimensional solid objects from a digital file.
A drone is an unmanned aircraft. Drones are more formally known asunmanned aerial vehicles(UAVs) orunmanned aircraft systems. Essentially, a drone is a flying robot that can be remotely controlled or fly autonomously using software-controlled flight plans in itsembedded systems, which work in conju...
根据上文"You're Plumb! You flew jet fighters from the aircraft carrier (航母) Kitty Hawk. You were shot down!"及下文"I (9) your parachute(降落伞)," the man replied.可知,Plumb询问他究竟是怎么知道的,故选C。 A发明;B打包;C制作;D提供。根据下文Who is packing your parachute?可知这个男人...
a joystick is a hand-held input device used to control the movement or actions of a digital object on a computer screen . it typically consists of a handle or a lever that can be tilted or pushed in different directions to provide input to a computer or a gaming console. what are the...
Inside a DC8 aircraft, there is a fullyequipped teaching hospital with television studio and classroom. Doctors are taught the latest techniques of bringing sight back to people there. Project ORBIS also aims at promoting peaceful cooperation (合作) among countries. ORBIS tries to help ...
mishaps, only one aircraft has been lost in 30 years—aremarkablesafety record. The C-17 production line ended in 2015, so the Air Force and its allies won’t be buying any more aircraft. There are currently no plans to replace the plane, even though the average aircraft age is 19 ...
Is the U.S. Ready to Fight a New Kind of War? Russia Is Crushing the U.S. Navy in the Arctic China’s Nuclear-Powered Carrier Is Almost Here China Has Weapons to Destroy US Aircraft Carriers Notoriously Unlucky Carrier USS JFK to Be Scrapped ...
ORBIS is an international nonprofit organization which operates the world's only flying teaching eye hospital.ORBIS intends to help fight blindness worldwide.Inside a DC8 aircraft,there is a fully equipped teaching hospital with television studio and classroom.Doctors are taught the latest techniques ...
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