已知半径求周长

一个单词要怎么样记才能背下来? 单词背了总是记不住怎么办啊?有好方法吗? 为什么单词背了记不了 WWE Jeff Hardy(杰夫哈迪）出场音乐《no more words》的歌词最好有中文翻译,没有也无所谓.好的话可以追加几分. For this great post she was educated with care only by her mother, Feel like 什么意思感觉?好像?like 是介词?详细通俗点 菠菜叶面的正面与背面的绿色一样深吗?为什么? 新叶是绿色,老叶是紫红色,叶子像菠菜,根像人参,是什么盆景根有点像人参,谁能知道是什么盆景? 国庆,儿童,劳动,教师,建军,青年节 按时间排列 改病句 今夜,月光皎洁,星光灿烂,多美啊 急! 英语填空：she was ____her early twenties when she went abroad .选择：A、at B、on C、of D、in这些知识你们看着简单，但我们初一的让老师布置了些这么难的题！！ 求一篇800字（听爷爷奶奶讲故事）作文! Did Kate do best in the final exam?No ,but of all the students she did______A,the most careful B.more careful C.most carefully D.more carefully,最高级前面不是得有the Did Kate do best in the final exam?No ,but of all the students she did______ 检举 | 2012-3-17 18:5Did Kate do best in the final exam?No ,but of all the students she did______ A,the most careful B.more careful C.most carefully D.more carefully,为 The presents are from my friends.对my friends 提问.用who还是where? Did Kate do her best in the final examination No ,but of all the students she did ___A,most carefully B much more carefully C the most careful 想问问最高级前面可以不用the 此题选什么? Linda didn't do her best in the final exam,but of all the students she did__ A.most craefully B.%D%A A.most craefully B.more carefully C.the most careful D.more carefully the bad lady c( ) the young beautiful girl into the belief that she was her mother.单次填什么?怎么翻译? 如图所示（中间这盆）,本植物叶片椭形,中间绿色较深,两边呈浅绿色或黄色,这个植物叫什么名字? 为什么刚长出来的树叶是浅绿色的,但等树叶茂盛之后又变为深绿色?为什么刚长出来的树叶是嫩绿色的,但等树叶茂盛之后又变为深绿色? the final exam____(come)soon,the students are busy___(review)their lessons. The students have been s首字母填空 up (加紧）their effects to prepare the coming final exam Failtures on final exams always make students （ ）their performancesA.ashamed B.being ashamed C ashamed D.shamed 为什么选A? the students have to ___ for the coming final exam a.make b.get c.few d.do The students are busy doing some_____for the final exam.(review) Write an article with the title "Learn to say no"to tell us your story.(More than 300 words) 只答1、给下列词语加点字 The students in Grade 3 are busy the exam now.A.get ready toB.to get ready forC.getting ready toD.getting ready for he applied three times ___he was finally admitted to the universityA before B until C when D whereas 英语时态：George applied for the position three times ______ he finally got it.A.before此题若主句使用完成时,句子意思和原来有何区别? The students are preparing --------- the maths exam.A.at B.for C.with D.in 该选George applied for the position three times ______ he finally got it.A.before B.untilc.when D.after many thanks! 爷爷,能再给我讲故事吗?