完成句子1.中国以长城而闻名于世。China is _________ ____________the Great Wall.2. 这个星期天你们打算去打篮球吗?______you __________ ___________ play basketball this Sunday?3. 你的启蒙老师怎么样? ________ ________ your first teacher _________?4. 对于老人来说学习英语更困难。It’s __________ ________ ________old people _________ _______ English.5. 你认为昨晚电视上关于詹天佑的那部电影怎么样? What ______ you _______ ______ the film ______ Zhan Tianyou _____ television last night若集合A={x|-3≤x<2,x∈Z},B={x||x+1|<3,x∈N},则A∪B中元素的个数是( )A.5B.6C.7D.8