题目

中央电视台有一个非常受欢迎的娱乐节目:墙来了!选手需按墙上的空洞造型摆出相同姿势,才能穿墙而过,否则会被墙推入水池.类似地,有一个几何体恰好无缝隙地以三个不同形状的“姿势”穿过“墙”上的三个空洞,则该几何体为(  ) A.  B.  C.  D. 答案:A阅读短文,判断正误。(正A、误B)     Sam gets up at six in the morning. He has breakfast at home. He goes to school at seven. He has lunchat school, but on Sundays he has lunch with his family. He often has supper at home. He doesn't watchTV in the evening.He only watches TV on Saturday evening. He often does his homework after supper. He goes to bed at nine. (     )1. Sam is a boy student. (     )2. Sam doesn't have lunch at home on Sundays. (     )3. Sam watches TV every evening.(     )4. Sam does his homework before supper.(     )5. Sam doesn't go to bed late every day.
数学 试题推荐