B和D讲解一下.

B和D讲解一下. 请讲解一下d-d跃迁 请讲解一下29题的a,b,c,d选项, 合并同类项,总是悟不透.a-[b-(a-d)]谁能给我讲解一下. 第一题选什么啊,讲解一下A和D选项, 第十四题 二b仔细讲解一下 Jack is always the last one ------to shool. A.to get B.get C.getting D.gets 请讲解一下.Jack is always the last one ------to shool.A.to get B.get C.getting D.gets我记得好像有一个词组,但想不起来了.请讲解一下词组和为什 高中三复习物理题:给我讲解一下b和c选项,可以照相. 谁能帮我讲解一下第十题的选项A和B 讲解一下 many people in the world know china_____A very good B better Cvery well D very much讲解一下 My father feels ____today than yesterday.A.tired B.more tir C.more tireder D.much tired讲解一下,谢 They said that the accident___at midnight.A.broke out B.happen C.occurred D.take place顺便讲解一下、、、 When ___C__,metal will expand.(讲解一下)A heating B being heated C heated D is heated 下图为电阻箱结构示意图,要使联入电路的电阻为7欧姆,应将铜塞插入插孔的是（ ）A、C和B B、A和C C、A和D D、B和D 答案是C请问是为什么呢?讲解一下.谢谢. 第四题,可是我觉得B和D都可以啊,求讲解, 关于冷暖锋和天气系统的题RT 求讲解TAT 18：D 19：B I want to buy a scarf __ my motherA at B for C of D to顺便讲解一下to 和for 的区别如果这道题用 give 应该选什么?