阅读下面材料,在空白处填入适当的内容(不多于1个单词)或括号内单词的正确形式。
Flying cars may soon become a 【小题1】 (real). A company providing the rideshare service has asked 【小题2】 expert from NASA, the American space agency, 【小题3】(help) the company develop cars that can fly.
The company plans to use flying vehicles in the future to avoid 【小题4】(encounter) traffic in and around cities. The company wants to use small, totally electric aircraft, 【小题5】 could take off and land like a helicopter on top of parking garages. It said its flying vehicles would be much 【小题6】(quiet), cost less to operate and produce less pollution than helicopters. One person in San Francisco 【小题7】(write) on Twitter, “I used to think that flying cars were a ridiculous idea. 【小题8】 I changed my mind this morning when I sat in a heavy traffic.” Another person added from Mumbai, India, “I’m reading about it 【小题9】(hire) an NASA engineer to build flying cars, while stuck in traffic. There is hope.”
The expert predicts there will be several early models of cars that can’t fly 【小题10】(they) but with human pilots within one to three years.