Threading Building Blocks中文意思是什么,有什么用啊?

Threading Building Blocks中文意思是什么,有什么用啊? the ---are ---a tall---.(a.builder,building,building b.builders,build,building c.builders,building,b 命名空间在.NET Framework中又称为根命名空间.A.System.IO B.System C.System.Threading D.System.Data building building building building A is than building B 中间填什么词 C#里面的string和String有什么区别?string a = gaga;String b=gaga;if (a == b)Console.Write(ok);elseConsole.Write(no);System.Threading.Thread.Sleep(1000);结果输出为ok,两个完全一样 He used to live in()A a six-storeys building B a building of six floored C a six-floor`s building D a building of six storeys the Eiffel Tower is _______A.a tall old metal building B.a metal old tall building C.an old metal tall building D.an old tall metal building He was born in this town and now he lives in ( ) A. Building second B. Building TwoC. the Building Two D. Building the Second The building was () in September ,1989.A build B builds C building D built 写出10句Building A is taller than Building .B之类的 Traceback (most recent call last): File threading.pyc, line 522, in这个是什么意思?Exception in thread Thread-3:Traceback (most recent call last): File threading.pyc, line 522, in __bootstrap_inner File threading.pyc, line 477, in run He was born in this town and now he lives in ____.A.Building second B.Building Two C.the building Two D.Building the Second.答案是B．为什么,其它为什么不可以 what tall building it is找出错误,A是what,B是tall,C是building,D是it is ( )The hige building _____ five years ago.A.built B.was builtt C.was building D.build改选那个?急救! there are ten rooms in building A.there are eight rooms in building B.的同意句转换