A:现在看来,我国高铁技术是在需求驱动下以自主创新在工程技术领域实现了对重大关键技术的突破和掌握,很可能实现对欧美技术的超越。
B:为迎接伟大祖国的62周年华诞,《华商报》将在社会各界的支持下围绕“我与祖国的故事”为主题展开大型征文活动。
C:实体书店犹如一个不可或缺的文化沙龙,它所承载的文化滋养和文化气息,会让城市显得更安详。而没有实体书店的城市,则无异于文化沙漠。
D:随着信息技术的不断发展和进步,使我们可以通过社交服务网站与朋友保持更加直接和方便的联系,扩大交际范围。
A和B是绕地球做匀速圆周运动的卫星,A与B的轨道半径之比为1:2,则A与B的( )
Ken is my friend. He ____ (come) from London, UK. Five years ago I ____(meet) him at Lily's party. Then we ____ (become) good friends. Ken and I ____ (reach) Washington D.C. at the same time. We____ (start) to study medicine in the same school. Now we are still studying together. So I know more about him. Ken is funny He often ____ (make) up some interesting stories to make me laugh. He says he's not going to be a doctor when he graduates (毕业). He ____ (want) to be an actor. He ____ (take) acting lessons when he is free. He ____ (make) lots of funny movies to make people happy. I believe his dream ____ (come) true.
在下面的乘法算式中“骐骐×骥骥=奇奇迹迹”,不同的汉字代表不同的数字,相同的汉字代表相同的数字,汉字“奇迹”表示的数是?( )