简述中国古代兵役制度的主要形式

There are scientific ways in which man solves problems.中为什么用which,可以用thai吗? There are a lot of problems today which are beyond any single person's ability to solve,and they call for united .A.force B.efforts C.energy D.operations能不能将这四个词辨析一下？ We wanted to go to (the field) yesterday.对括号部分提问. 写亲情的文章写成的父爱、母爱,算不算偏题作文题目是《珍惜所拥有的亲情》,如果我的内容写成了珍惜父爱、母爱及亲人给的关爱,算不算偏题.如果算偏题,要怎么写? 翻译：In the opinion of biologists,the aging process can be controlled and showed down It has revealed that the vitamin D __ slowing down the aging process.到底选什么呢?A.plays an important effect inB.plays a key role in C.takes an important part in我觉得B和C意思差不多吧? I slowed down.I wanted the car behind to be able to overtake.to be able to overtake,这句话怎么理解呢?这两车本来就在我后面,我想让他先过去吗? those who deny freedom to others do not deserve it for themselves keep sb.inform of sth.例句 I deserve it i deserve it ,its not you guys' fault 这话 准确意思是? 谁知道什么英语词组是分别以C,K（两个单词）开头的? 德语viele kenntnisse德语中,是说viele kenntnisse 还是viel kenntnis? There is ( )"f"in the word "fox"A.an B.a 选择.原因.意思 英文句子中 怎么区分纯粹的谓语和非谓语 copier is warming up 关关雎鸠,在河之舟；窈窕淑女,君子好逑.请问其出处,是出自尚书吗? 北师大版高中英语每个单元怎么讲.现在一轮复习.孩子基础差,讲的太慢了,估计8本书是不可能讲完了.有点着急,可是这样都学得不好.请教老师们,有侧重点嘛?谢谢! 1 The gift you give is not something your loved one keeps.something 后定从your loved one keeps怎么解释,记得老师只说过什么什么被动不理解,这涉及了什么语法,最好能再给我举例子2 Children ofen behave like lambs when 高中英语·····求讲!谢谢······1,having turned 这个词属于什么时态啊?2,All the Harry Potter books by Joanne Rowing ,a poor singer mother ____ in Edinburgh ,____ all over the word .A lives ；are well sold B lives ；sell good 春潮带雨晚来急 野渡无人舟自横.和 谁家玉笛暗飞声,散入春风满洛城.的修辞手法这句是什么手法啊! 散入春风满洛城运用了什么修辞手法,其表达效果是什么? 求一首描写夏景的古诗 描写夏景的诗有 描写夏景的古诗 描写夏景的诗句一共有几首? How long does it take she to do sth.这句话正确吗 德语wird换成英语是什么单词 我们兄弟情一场用英语怎么说 手足情 怎么翻译成英文 He wanted the man to become his business partner.这句怎么提问? her face betrayed no emotion as she tossed the stick in front of me.