新鲜科技的独特性
（种+属）
greener
the short-haul flights powered by batteries
新鲜科技的发现过程
Harbour Air
all routes last less than 30 minutes
create the worlds first commercial flight with an electric engine
新鲜科技的应用（好处）
1、is good for the environment
2、makes sound financial sense
3、much more pleasant to fly in
新鲜科技面临的
挑战及解决措施
The technical challenges：weight counts
Hybrids-vehicles powered by both fuel and electricity
新鲜科技的前景
battery-powered planes are set to become a reality in the next few years.
23.What is the author's attitude towards the prospect of electric flying?
A.Short-sighted. B.Wait-and-see.
C.Optimistic. D.Skeptical.
22.What could be done during the transition from gas to electric in air flight?
A.To produce new electric components.
B.To increase battery consumption.
C.To use mixed-power technology.
D.To expand the landing field.
21.What might be the biggest challenge of electric flying?
A.To improve the ground service for e-planes.
B.To find qualified technicians for e-plane industry.
C.To calculate the energy needed to power e-planes.
D.To balance power and weight of batteries in e-planes.
20.The expression "added bonus" refers to the fact that electric planes___________.
A.give passengers more pleasant views
B.bring airlines more financial benefits
C.offer more enjoyable flying experiences
D.cost less in maintenance than traditional ones
19.Why is Harbour Air fit for electric flights?
A.It runs short route
B.It has a strong partner.
C.Its planes can land on the sea.
D.It has planes with powerful engines.
18.According to Para. l, what is happening in air transport?
A.New explorations of the sky are being launched.
B.Pollution caused by batteries is being controlled.
C.Efforts are being made to make air travel greener.
D.Demand for short-haul flights is increasing massively.
