当x趋向于0时，与x^2等价的无穷小量是1-cos2x

有谁知道市面上哪个牌子的磁性分离器好? 欲钱买白色动物打一肖 欲钱买最大的动物是什么 欲钱买什么动物 苏轼的水调歌头中转朱阁,低绮户,照无眠是不是过片? he is one of my friend 和 he is friend of mine 不要就只是翻译中文, he is a friend of mine 还是 he is a friend of me? he is a friend of mine 工作浮漂什么意思 自行车生锈了有什么方法去锈 The teacher asked us __________．A.when did I finish my work B.why didn’t we tell him about it earlier C.what we were interested in D.where we are going to have our lunch The teacher asked us _ _ _ _ _ _ ( 马上离开这儿)Which football team _ _ _ (你支持） The teacher asked us —— —— ——（保持安静 The teacher asked us___.A.when did I finish workB.why didn't we tell him about it earlierC.what we were interested inD.where we are going to have our lunch 一个句子一定要有宾语吗 the teacher asked us ( ) so much noisethe teacher asked us ( ) so much noiseA.don"t make B.not make C.not making D.not to make 划出句中的直接宾语和间接宾语（1）Please teii us a story(2)My father bought a new bike for me last week (3)Mr.Li is going to teach us history next term（4)Here is a pen.Give it to Tom.(5)Did he leave any message for me? （英语）有没有这样一个句子,直接宾语是人,间接宾语是物? 钓鱼漂浮 长44.5com吃锌2. 钓鱼什么意思 钓鱼到底有什么意思? 贴吧里的还有,2L的解释看不懂啊啊…… 钓鱼几目是什么意思 自行车生锈了,有什么办法可以去锈? The teacher asked us to talk a bout the t___ of this play 横线里是不是填title the teacher wants to talk ___her about her study.A.to B.of C.about D./ My English teacher wants to talk ___ my gather. A. to B.for C.about D.of 跪求二十幅对联,每幅至少30字点评.呜呜~请各位哥哥,姐姐,弟弟,妹妹,大叔,大婶,先生,女士,叔叔,阿姨,爷爷,奶奶,我感谢你们祖宗八百辈子啊,Please~ 对联20条以及赏析 解释两个寓言故事的寓意两个寓言故事：南辕北辙、滥竽充数. 解释寓言的寓意杞人忧天杞国有一个人,整天担心天塌地陷,自己没有地方容身,因此愁得睡不着觉,吃不下饭.有个人看他这样忧愁,很为他担心,就去开导他说：\\\"天不过是很厚很厚的气积聚在 just floating along high above Central Park West何意?求翻译