如图在锐角三角形abc中,bc=6,s△abc=12,两点动点m,n分别

变质在化学里是什么意思 总是积极的目的.让我们迅速变坏.这句话怎么解释 Each moment of your life is a picture you have never seen before and will never see again.So live each moment to make it count,and make each moment beautiful..YY descride a picture of your familys daily life 英语作文要用上一般现在时 现在进行时 这儿在哪里?亚洲的 亚洲的地理 絮絮叨叨和喋喋不休的区别,要精确的! 形容一个人对一个小事展开无限联想,喋喋不休地说个不停的词语那天和一老太上电梯,我按错了一个按钮,她就喋喋不休地说：是不是精神不好啦,在想哪个靓女啦,昨晚干什么去啦,还以为你想 独身主义者怎么应付父母的喋喋不休? 机票限制条件 CHANGE FEE APPLIES/NONEND/NO 是啥意思呢?最后还有一个NO呢?是说啥都不行? 电子机票上有NONEDN(RRT)字样,NONEND的意思是：不得更改行程, 十八大三中全会对我国下一步城市化的方向与策略是什么 好友印象里“悟芊奶大”是什么意思?求高人解读!好友印象里“悟芊真骚”是什么意思?求高人解读! bad的比较级和最高级是什么 好友印象里“悟芊真骚”是什么意思?悟芊不是我的名哦 在20课中如喋喋不休这样的词语是什么 喋喋不休（AABC式）的词语 雨喋喋不休相近的词语急啊!尽快! 怎样把电动机的铁芯从基座中取出? 芊羽暖手宝怎么样 My father usually collects money___his customers once a month a.from b.by c.of d.about 学霸们come on penalty-clauses是什么意思 Yao Ming works hard on his English and ____A．so Liu Xiang does B．so is Liu Xiang C．so does Liu X -It's already late,I think I'd better go now.And thank you for the dinner.-________.A.Ok,please walk slowly.B.Take care of yourselfC.Won't you stay for another cup of coffee?D.It's really late.Why not go now?请问为什么A和B不行啊. It's already been written.The report has been written.这两句怎么翻译?这是什么时态?怎么有两个现在分词?帮个忙, Wangtao goes to Shanghai visit her daughter once a month…对+once a month提问her改为his David,____(visit)our school once a month括号里填什么, Duke of Wellington是谁 we'll visit the great wall if it()tomorrow.A.won't rainB.isn't rainC.isn't going to rain among the royal titles of the english nobility ,witch is below a duke but above an earlA.baron B.viscountC.marquessD.countess 克拉伦斯公爵(duke of Clarence)乔治有没有照片留下来?很想看看他的容貌.