题目内容：
某老师完成一节课后，要求学生做下列练习： Fillintheblankswiththerelativepronouns:that,which,who,whom,andwhose.
Therewasatyphoon__________attackedTaizhouonOct.7ththisyear.Itwasastrongtyphoon__________stayedinZhejiangforalongtime.Itbroughtstrongwindandheavyrain,__________causedalotofdamage.Morethan5millionpeoplewentthroughthetyphoon,among__________manypeopleweretrappedorinjured.Manybuildingsfelldown.Itcausedfloodandmud-rockflowinmanyplaces,__________resultedinalossofmorethan4.5billionmoney.Teamswereorganizedtorescuethose__________weretrappedandhelpwasgiventothose__________sufferedfromthetyphoon.Luckily,itwasreportedthatnoonewaskilled.
(1)请判断这是一节什么内容的课。(2分)
(2)分析此练习的目的(至少三点0(12分)
(3)教师在安排学生做练习时应注意哪些事项?(16分)
参考答案：
答案解析：