I. 阅读理解。（共15小题，计30分）
第一节 阅读短文，四个选项（A、B、C、D）从中选出最佳选项。（共10小题，计20分）
A
The number of buses, taxis and other vehicles on Kenya’s roads is growing every day. Now, the country’s first electric-powered motorbikes are coming onto the market. The bike is designed to cut down on pollution and aimed at low-income communities. Most motorbikes used in Kenya depend on gasoline, but not this new motorbike.
