I’ve learned ()today. A、new some thingB、something newC、new something
I’ve learned ()today.
A、new some thing
B、something new
C、new something
相关考题：
to, I, how, last, winter, skate, learned__________________________________________________________________________.
There are different types of affixes or morphemes. The affix “ed” in the word “learned” is known as a (an) _______、 A derivational morphemeB free morphemeC inflectional morphemeD free form
I've _____ these lines again and again but I still keep forgetting them.A. gone offB. gone aboutC. gone overD. gone through
B 宽度优先（种子染色法）5．关键路径几个定义： 顶点1为源点，n为汇点。a. 顶点事件最早发生时间Ve[j], Ve [j] = max{ Ve [j] + w[I,j] },其中Ve (1) = 0;b. 顶点事件最晚发生时间 Vl[j], Vl [j] = min{ Vl[j] – w[I,j] },其中 Vl(n) = Ve(n);c. 边活动最早开始时间 Ee[I], 若边I由j,k表示，则Ee[I] = Ve[j];d. 边活动最晚开始时间 El[I], 若边I由j,k表示，则El[I] = Vl[k] – w[j,k];若 Ee[j] = El[j] ，则活动j为关键活动，由关键活动组成的路径为关键路径。求解方法：a. 从源点起topsort,判断是否有回路并计算Ve;
前壁心肌梗死的特征性心电图改变见于A.V～V、I、aVI。B.V、I、aVI。C.V～VD.V、V、VE.V、V、V