题目

Sometimes the easiest way to get somewhere is on the back of a bike.More and more people are using cars in many places in Africa today. However, things are different in Malawi(马拉维). Bikes are the most popular in this African country.Bike riding is a way of life in Malawi. People use them to carry(搬运) heavy things. They also use bikes to carry people, especially visitors. These years, taking a “ bike taxi” to go around Malawi has become quite popular for visitors from all over the world.If you go to Malawi, you will find a lot of bike taxis waiting on the sides of the roads. The r 南方某校地理兴趣小组到学校附近进行野外考察活动，下图为考察地区等高线示图，读图回答问题。 （1）图中A、B两处的地形部位名称分别为___________、______________。 （2）量得乙村到观察点①的图上直线距离大约是2.1厘米，则两地间的实地直线距离是 ________________千米。 （3）在乙村，同学们实测得气温为20℃，则此时甲村的气温约是 ______________-℃。 （4）同学们发现乙村周围资源丰富，但经济较落后。为改变这一现状，他们提出了许多建议，如建议该村发展_______________ 业，理由是______________ 。