四級(jí)考試是許多童鞋必須通過(guò)的考試，其重要程度不言而喻。希望通過(guò)四級(jí)聽(tīng)力天天練，童鞋們可以提高聽(tīng)力水平，高分通過(guò)四級(jí)，沖刺六級(jí)。

全文聽(tīng)寫，童鞋們注意數(shù)字聽(tīng)寫規(guī)則哦~~


Hints:
Freetown
Sierra Leone
Colombia
Bogota
floods—there are
These are areas of poverty, slums, which generally lack basic services like clean water, or even permanent housing. So it is needed to increase investments in education, health care and other areas. The report talks about some successful efforts by local governments and community groups. For example, it says Freetown, Sierra Leone, has established farming within the city limits to meet much of its growing food demands. In Colombia, engineers have created a bus system in Bogota that the report says has helped reduce air pollution and improve quality of life. And governments also need to consider why people are moving out of rural areas. Climate change, drought, floods—there are the reasons forcing people to leave.