IV. Match the word or phrase with their meaning and write the answer in each blank.
31 Driverless car A. not harmful to the environment
32 Jet pack B. an aircraft in which the energy required for propulsion is collected by panels of solar cells put on the wings
33 Sidewalk C. the physical body disappears from one location and reappears in a different spot
34 Environmentally friendly D. a high- speed passenger train, as on certain routes in Japan
35 Teleportation E. a rail-based transportation system based on a single rail
36 Solar cell F. a device, usually worn on the back, that are pushed by jets of escaping gases to let a single user to fly
37 Solar-powered
aircraft
G.an automobile that can travel on roads and can take off, fly and land as an aircraft
38 Monorail H. a robotic vehicle that is designed to travel between locations without a human operator
39 Bullet train I. a cell that converts solar energy into electricity
40 Flying car J. a moving pavement to support a large number of travelers