2008年11月8日，著名影星巩俐在新加坡的德义民众俱乐部宣誓成为新加坡公民，并领取了身份证、居民证书，这一决定引来无数网友的争议。巩俐加入新加坡籍（   ）                                                                            

①她已不再是中华人民共和国公民　②她已成为新加坡公民　③她已不能再享有我国公民的全部权利　④今后她将不能在国内从事演艺事业 

元代加强了对疆域的有效管理，其中管辖西藏的机构是（  ）

如图为探究某物质状态变化时，小强绘制的该物质温度随时间的变化规律图象，分析图象可知该物质的凝固点是　 ____℃，DE段是 ____过程．

    My name is Tom. I am____(九). I like____(白色的). It's a clean color. I have two basketballs. Look, they are____(在……下面) the bed. I think it's ____ (容易的) for me to play basketball. I always play it after class. Oh, what about my____(父母亲). My father____(喜欢) sports, too. He has____(一些) balls. You can see the balls____(到处) in his bedroom. My mother is a ____(教师). She doesn't____(有) any balls, she only watches sports games on TV.