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精彩回答
Can you make sure_________ the gold ring? [ ]
1年前
下列说法中不正确的是( ) A.√4²的算术平方根是4 B.√4的算术平方根是√2 C.√3²的算术平方根是√3 D.√81的算术平方根是9
1年前
《致空气》全诗采用了 __________ 手法,表达了 __________ 。
1年前
Many people believe that 3G mobile phones will be used in almost all everyday activities.
1年前
“How are you?”is a nice question. It’s a friendly way that people in the USA greet each other.
1年前