Book4 Unit 2 Working the landStep3.Researching cooperatively& answering questions(合作探究, 解决问题)Learn the usages of the following language points and answer some questions in groups.1.At that time, hunger was a disturbing problem in many parts of the countryside.(P10)当时饥荒是许多农村地区面临的严重问题。【词语拓展】hunger n./v.饥饿；渴望；使饥饿hungry adj.饥饿的；渴望的die of hunger 死于饥饿hunger for/after sth.渴望go hungry挨饿【小试身手】根据括号内的汉语提示完成句子。（1）The little boy who ran away from home soon felt _
