A:X+
B:X2+
C:X3+
D:X4+
判断对错
把单位“1”分成若干份,表示这样的一份或几份的数叫做分数.
①一个人如果没有民族自尊心,其自尊就没有任何意义和价值
②放弃中国国籍与祖国没有多大利害关系
③一个有强烈民族自尊心的人,必定会时时、处处不做有损国格的事
④放弃领奖太可惜了,有点不值得
Hello!My name is Bob. My classroom is not big but nice. There are 21 desks and 20 chairs. 墙上有一些画和一幅地图。Mrs Brown is our English teacher. She is from a big city.She is nice. Her husband Mr Brown is a teacher too, but he isn't in our school. Tom is my good friend. We like playing football on Saturday. Where is my football? It is under my desk.