请认真阅读下面短文,从短文后各题所给的 A、B、C、D 四个选项中,选出最佳选项。
Each one of us shares the earth with seven billion others. And we all need
1. People and products need to move from city to city and country to country. However, we all know
2 most cars, motorcycles, boats and planes cause air pollution. They are also
3. This is a serious problem in many cities.
4 inventors are coming up with creative ideas to try to reduce the air and noise pollution.
In many cities around the world, motorcycles are very
5. Now Vietnam has around 33 million motorcycles. Motorcycles are a
6 and cheaper way to get around a city than cars. Yet air pollution is a growing problem. In some cities, people
7 that it is difficult to breathe.
A US company designed an environmentally friendly motorcycle. It uses electricity as fuel(燃料). As a result, there is
8 pollution. It's also quiet and fast. This makes it a good
9 for us to get around a city.
Venice(威尼斯) is a city with only a few
10. There are no cars in the city centre. Water taxis and buses carry people along the city's canals(运河)
11 cars. However, they cause pollution,
12 to the water. English engineers Dick and Jem designed a solar-powered(太阳能) water taxi. The water taxi
13 run for a day after being charged(充电).
Planes also cause air and noise pollution. Designing an environmentally friendly airplane is a real
14. Swiss engineers have gone one step further. They
15 a solar airplane. This plane holds the world record for the longest solar-powered flight—1,541 kilometres from Arizona to Texas in America.
(
C
) 1. A. air
B. food
C. transportation
D. communication
(
D
) 2. A. how
B. why
C. when
D. that
(
A
) 3. A. noisy
B. dirty
C. fast
D. expensive
(
B
) 4. A. Since
B. So
C. Because
D. Although
(
A
) 5. A. popular
B. valuable
C. dangerous
D. safe
(
B
) 6. A. slower
B. faster
C. more slowly
D. more quickly
(
B
) 7. A. explain
B. complain
C. doubt
D. promise
(
C
) 8. A. much
B. some
C. no
D. more
(
C
) 9. A. idea
B. suggestion
C. choice
D. custom
(
B
)10. A. people
B. roads
C. tourists
D. rivers
(
A
)11. A. instead of
B. thanks to
C. because of
D. as for
(
C
)12. A. probably
B. only
C. especially
D. hardly
(
B
)13. A. must
B. can
C. should
D. need
(
D
)14. A. question
B. job
C. decision
D. challenge
(
D
)15. A. discussed
B. discovered
C. disagreed
D. developed
