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My father _____ bus to work and it takes a long time ____ for one.
如图:△ABC中,∠C=90°,AC=BC,AD平分∠CAB交BC于D,DE⊥AB于E,且AB=6㎝,则△DEB的周长是( )
-- Mum, may I watch TV for a while?
-- Of course, if your work .
材料一:史载:“封建亲戚,以藩屏周”,“兼制天下,立七十一国”。
材料二:
请回答: