内容正文:
过关练04
一、完型填空
Each one of us shares this planet with seven billion others. And we all need 1 . People and products need to move from city to city and country to county. However, we all know that most cars,motorcycles(摩托车), boats and planes cause air pollution. They are also 2 . This is a serious problem in many cities.
In many cities around the world, motorcycles are very 3 . Now Vietnam has around 33 million motorcycles and China has almost 120 million. Motorcycles are a faster and cheaper way to get around a city than 4 . Yet air pollution is a growing problem. In large cities, people 5 it is difficult to breathe. To solve these problems, a US company designed an environmentally friendly motorcycle. It uses electricity as fuel(燃料). As a result, there is no pollution. It’s also quiet and fast. This makes 6 a good choice for getting around a city.
The Italian city Venice is a city with only a few 7 . There are no cars in the city center. Instead of cars, water taxis and buses carry people along the city’s canals(运河). However, they cause pollution, 8 to the water. English engineers Dick and Jem designed a solar-powered(太阳能)water taxi. The water taxi can run for a day after being recharged(充电).
Planes also cause air and noise pollution. Designing an environmentally friendly airplane is a real 9 . Some airplane companies have 10 to solve the problems. Swiss engineers have gone one step further. They developed a solar airplane. This plane holds the world record for the longest solar-powered flight-1541 kilometers from Arizona to Texas in America.
1.A.air
B.food
C.transport
D.communication
2.A.noisy
B.dirty
C.fast
D.expensive
3.A.popular
B.valuable
C.dangerous
D.safe
4.A.bikes
B.underground
C.buses
D.cars
5.A.explain
B.complain
C.doubt
D.promise
6.A.them
B.you
C.us
D.it
7.A.rivers
B.roads
C.tourists
D.people
8.A.probably
B.only
C.especially
D.hardly
9.A.question
B.job
C.decision
D.challenge
10.A.allowed
B.r