【示例一】
　　①Nowadays, a heated debate about  ________（主题）is under way in China. ②A close inspection of this argument would reveal how flimsy （groundless）it is. ③As a matter of fact, ________（进一步说明）.
　　【示例二】
　　①While the rhythm/pace/tempo of people’s living is speeding up, one of the topics many city residents are discussing is ________（主题）. ②As part of domestic modernization, ________ needs to be developed urgently in china, for  ________（进一步说明）.