两平面相交交线怎么求

”孔子著《春秋》,乱臣贼子惧”,这是为什么? 孔子修春秋我想请问天后第97签是什么意思?签文如下：春秋直笔照人寒褒贬分明事事难游夏斯时先学圣一豪未敢露词端 求大神帮看这两句话哪个是正确 英语~he get hurt in the accident 还是he got hurt in the accident please c___ your homework after you finish it.please c___ your homework aft Pleace c＿＿ your homework after you finish it.填空 After you finish your homework,please help me do the l( ) Please rememberto s___ your document after you finish it. after your homework (finish),please design the game with me 职高的主语从句英语题,求大神给解决一下~13. _____ he saw both surprised and frightened him. C A. That B. When C. What D. Which14. _____ is a spell of warm sunshine. D A. What do we all need. 写一篇关于what are your dreams and desires in the future after graduation from college? Topic 6:what is your life plan after graduation from college?how do you realize it?的英语对话,两分钟左右 BEC中级相当于大学英语四级还是六级水平? BEC 初级相当于 什么级别 四级?中级又相当于什么级别?六级? “轻松的”和“专家”英语单词怎么写把这两个词翻译成英语单词 求大神做十道名词从句31.It is strange _____ she have left without saying a word.A.that B.what C.why D.how32.It is very clear _____ our policy is a correct one.A.what B.that C.why D.where33._____ Mr Zhang said is quite right.A.That B.When C.W 英译汉：What do you often after class at school You need do your homework . 求大神做下英语名词从句十道题,身上只剩这么点分数 了,50.That is _____ .A.where lived he there B.where did he liveC.where he lived D.that where he lived51.The questions is _____.A.whether is it worth doing B.that if it is worth d It's high time you ___ your test paper now.A.hand in B.handed inC.would hand in D.musht hand in解释一下high time是什么意思! 21.Peter insisted _____ he pay the bill.A.on that B.what C.that D.on which22.They urged _____ the library open during the vacation.A.when B.where C.why D.that23.We wish we could have learned _____ when we were at high school.A.what you did B.that you Do you often study with your classmates after class?---- Yes,I do.I think we can learn from the teacher ____-- each otherr.A.as well as B.however C.in order to D.according to 求大神做下名词从句十道题!1.Do you see _____ I mean?A.that B./ C.how D.what 2.Tell me_____ is on your mind.A.that B.what C.which D.why 3.We must stick to _____ we have agreed on.A.what B.that C./ D.how 4.Let me see _____.A.that can I repai Have you checked your test paper,___?A.tooB.either答案为什么是A,不是B呢? BEC中级有多难,英语四级的水平能考不想去学英语,不知道到底多难,听说中级的实用性强,考试难度也高,我去年12月份大学英语四级刚过线的分数.而且我的听力口语都很烂.熟悉的给我一点好的 用英语造句"大气污染问题很严重,对社会的污染和个人的健康有很大危害" 英语未过四级的可以考BEC吗? 我想考剑桥商务英语,目前还是四级将过水平,是不是应该报初级然后包个培训班?如上,四级435,以我的程度是不是应该考初级?如果能报名的话我想报新东方的课,我在北京 英语没考过四级,今年考四级,基础中等偏上,能考BEC高级吗 高一英语从句类型有哪些像定语从句,同位语从句之类的 You can watch TV or listen to music r________after you finish your homework.是 relax吗?还是relaxing 还是其他的的?unha! 高一英语从句Is this the museum (/)you visited the other day?A./ B.Where C.in which D.the one为什么不能选DIs this museum (the one) you visited the otherday?A.that B.where C.in which D.the one为什么不能选A求这两题的详解, you nust not watch TV----you finish your homework a.before b.after you can not watch tv if you have finish your homework.(同义句）you——watch tv ——you have finish your homework