... one thousand football fields
every forty minutes - about the duration of a normal classroom period。(1)For example 状语。(2)one graphic illustration to which
children might readily relate
is the estimate 是which做关系代词的定语从句(原句应该是主语从...
...mage worth $36 billion around the globe. But such Ninos come with months of warning, and so much is known about how they happen that governments can prepare. According to the Overseas Development Institute (ODI), however, just 12% of disaster-relief funding in the past two decades has gone on redu...