模拟题原文
In recent years, the popularity of cycling has surged worldwide. This trend can be attributed to several factors, including environmental concerns, health benefits, and the desire for more sustainable transportation options. Cities around the globe are responding by building more bike lanes and promoting cycling as a viable alternative to driving.
Cycling offers numerous advantages over other forms of transportation. For one, it is an environmentally friendly mode of travel that produces no pollution. It also contributes to better health by providing regular exercise, which can help reduce the risk of chronic diseases such as heart disease and diabetes. Additionally, cycling can be a cost-effective choice for commuters, as it requires no fuel and minimal maintenance.
However, despite its benefits, cycling still faces some challenges. One major issue is safety. Many cyclists feel unsafe on the roads due to the lack of proper infrastructure and the presence of motor vehicles. In some cities, bike lanes are either non-existent or poorly designed, making it difficult for cyclists to navigate safely. Another challenge is the perception of cycling as a hobby rather than a practical means of transportation. In many cultures, cycling is still seen as something reserved for leisure activities rather than a serious commuting option.
To address these challenges, governments and urban planners are taking steps to improve cycling conditions. They are investing in better infrastructure, such as dedicated bike lanes and secure parking facilities. Some cities are also implementing public awareness campaigns to promote cycling as a safe and efficient mode of transportation. As more people recognize the benefits of cycling, it is expected that the number of cyclists will continue to grow.

模拟题题目
The popularity of cycling has surged mainly because of ______. A. environmental concerns
B. health benefits
C. sustainable transportation options
D. all of the above
Cycling is considered environmentally friendly because it ______. A. requires no fuel
B. produces no pollution
C. needs minimal maintenance
D. both A and B
One major advantage of cycling is that it can help reduce the risk of ______. A. chronic diseases
B. traffic congestion
C. air pollution
D. public transportation costs
A major challenge for cyclists is the lack of ______. A. public awareness
B. proper infrastructure
C. government support
D. public interest
In some cities, bike lanes are either non-existent or ______. A. well-designed
B. poorly designed
C. under construction
D. unnecessary
Some people still view cycling as a hobby rather than a practical means of transportation because of ______. A. cultural perceptions
B. safety concerns
C. lack of infrastructure
D. high costs
To promote cycling, governments are investing in ______. A. public awareness campaigns
B. better infrastructure
C. both A and B
D. neither A nor B

答案
D
B
A
B
B
A
C

题目解析
D. all of the above
文章提到，近年来自行车运动的流行归因于多个因素，包括环境问题、健康益处以及对更可持续交通方式的需求。因此，选项D（以上所有因素）是正确答案。
B. produces no pollution
文章指出，自行车是一种环保的交通方式，因为它不会产生污染。选项B正确。虽然选项A（不需要燃料）和C（需要最少的维护）也是自行车的优点，但与“环保”这一核心原因相比，选项B更为直接。
A. chronic diseases
文章提到，定期骑自行车可以减少患慢性疾病（如心脏病和糖尿病）的风险。选项A正确。选项B（交通拥堵）、C（空气污染）和D（公共交通成本）与文章内容不符。
B. proper infrastructure
文章指出，骑自行车的一个主要挑战是缺乏适当的基础设施。选项B正确。选项A（公众意识）、C（政府支持）和D（公众兴趣）虽然也与自行车运动的发展有关，但不是文章中提到的主要挑战。
B. poorly designed
文章提到，在一些城市，自行车道要么不存在，要么设计得很差，这使得骑自行车的人很难安全地骑行。选项B正确。选项A（设计良好）、C（正在建设中）和D（不必要）与文章内容不符。
A. cultural perceptions
文章指出，许多人仍然将骑自行车视为一种爱好，而不是一种实用的交通方式，这是由于文化观念的影响。选项A正确。选项B（安全问题）、C（缺乏基础设施）和D（高成本）虽然也可能是影响因素，但不是文章中提到的主要原因。
C. both A and B
文章提到，为了促进骑自行车，政府和城市规划者正在投资改善基础设施（如专用自行车道和安全的停车设施），并开展公共意识宣传活动。因此，选项C（A和B都正确）是正确答案。