Last weekend there were two days' holiday. I went to the park with my classmates on Saturday morning. We played games. We were very happy. In the afternoon, I read comic books. I like reading books very much. On Sunday morning, I got u
已知两个不同的平面α、β和两条不重合的直线,m、n,有下列四个命题:
①若m∥n,m⊥α,则n⊥α
②若m⊥α,m⊥β,则α∥β;
③若m⊥α,m∥n,n⊂β,则α⊥β;
④若m∥α,α∩β=n,则m∥n,
其中不正确的命题的个数是( )
2015年11月1日起刑法修正案(九)正式施行,其中“收买被拐妇女、儿童”入刑、“在法律规定的国家考试中组织考试作弊或替考”入刑的规定表明( )
2014感动中国人物---格桑德吉。毕业后毅然回到西藏墨脱县帮辛乡小学教学,立志改变当地落后的教学现状。十三年来,她教的孩子有6名考上大学、20多名考上大专、中专,而她自己的女儿却留在了拉萨,一年才能见一次。村民们亲切地称她为门巴族的"护梦人"。格桑德吉是美丽的,因为她 ( )