信息建模方法是从数据的角度来建立信息模型的， 最常用的描述信息模型的方法是 E-R 图
1、正确正确
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Britainhas,forcenturies,beenslowlytiltingwith________.
In1900,theUnitedStatesrankedfirstintheworldintheproductionof________.
_______isknowntoall，Chinawillbean_______powerfulcountryin20or30years’time.
Inthe1960spopmusicunderwentarevolutionwhen________becameworldfamousandturnedtheirhometownofLiverpoolintoaplaceofpilgrimage.
Hewasspecificallyaskedtowriteaplaythatwouldbe________tothelocalcommunity.
