1.According to the writer, _______.
A air pollution is not a big problem in China
B creative ideas may help improve city life
C only scientists can solve big environmental problems
D the survey of 338 cities nationwide was not necessary
解析:选B。细节理解题。根据It’s no secret that air pollution is a big problem for China可知,空气污染是中国的大问题,排除A;根据You don’ t have to be a scientist to solve big environmental problems可知,你不必成为一个科学家来解决环境问题,排除C;根据In 2016, only one-fourth of Chinese cities met the country’s air quality standards, according to a survey of 338 cities nationwide from the Ministry of Environmental Protection可知,全国338个城市的调查是有必要的,排除D;根据He uses creative ideas to improve city life可知,创造性的主意可以改善城市生活,故选B。
2.The air-cleaning machine offers clean air to the biker by _______.
A blowing out dirty air
B running fast with the bike
C cleaning the air around the biker
D breathing in dirty air and cleaning it
解析:选D。细节理解题。根据In smoggy weather, the machine would breathe in the air in front of the bike and blow out a stream of clean air toward the biker’s face可知,在烟雾弥漫的天气里,机器会吸入自行车前的空气,向骑车者的脸上吹出一股清新的空气,故选D。
3.From the passage, we know that _______.
A people who have creative ideas can get free bikes
B only smog-free bikes can go on the shining bicycle path
C Daan and his family spent all their time improving China’s air quality
D China’s haze in winter happens because of more than three causes
解析:选D。推理判断题。根据In winter, it’s common for thick clouds of haze(霾), caused largely by factory production, burning of coal and car emissions(排放物), to cover areas of China.可知,主要由于工厂生产、烧煤以及汽车排放物造成的,不仅限于三个主要原因,故选D。
4.Daan is inviting bikers to join him in order to _______.
A raise money for the tower
B test his new machine
C help solve the air pollution problem
D make more Chinese friends
解析:选C。推理判断题。根据You don’ t have to be a scientist to solve big environmental problems. One Dutch designer is finding creative ways to make a change—and he’s inviting bikers to join him可知,你不必成为一名科学家来解决重大的环境问题。一位荷兰设计师正在寻找一种创造性的方式来改变现状,他邀请自行车爱好者加入他的行列。所以是为了帮助解决空气污染问题,故选C。
5.What is the best title for the passage?
A Breathing In and Out
B Biking for Fresh Air
C Survey from the Government
D China’s Air Pollution Problem
解析:选B。主旨大意题。根据In smoggy weather, the machine would breathe in the air in front of the bike and blow out a stream of clean air toward the biker’s face以及全文可知,本文主要讲述丹麦设计师设计了一个清洁器,将它放在自行车上,就可以将污染的空气吸入机器,并释放出清洁的空气,故选B。