（x-1）(x+9)+25

没有地球自转就不会有昼夜交替了吗? [各国]没有地球自转就不会有昼夜交替了吗? 地球自转与昼夜交替“地球自转产生昼夜交替”这句话有错吗?或者说“昼夜现象与地球自转无关”? 昼夜交替是由于地球自转引起的?我觉的公转也可以阿,只不过交替周期是一年而已阿.为什么不能是公转? 地球自转是怎样产生昼夜交替的,要具体, 带“永熙”两个字的成语或短语 Some words have one sound or syllable and some have two or more .Write the words from the Vocabulary Bank in tcorrect column below. 这几个英语句子没有弄明白在字典上看到关于单词restore 用法restore sth.(to sb.)例句：1) Order was quickly restored after the riots.2) Such kindness restores your faith in human nature.我没有看懂为什么第一个句子是 In the latest test,the countries with the best readers were South Korea and Finland请问这句话怎么翻译?其中的reader是什么意思呢?In all,around half a million students in more than seventy economies took the test last year.in more than 有几个英语句子不是很明白 求高手翻译一下 谢谢1.But air is now being polluted by modern transportation, notably gas -powered automobiles, as well as electrical generators that burn fossil fuels and pour polluting chemical waste int i am sure the beauty of nature there will make ai am sure the beauty of nature there will make an excellent on you A experien B opinion C impression D expression 选什么 外加理由! 商务英语和应用英语哪个比较好? 应用英语 还是商务英语好呢?速回!主要是出国方向是专科的哦 ran和ying组在一起的成语然和萦,谐音也可以,组在一起四个字,好听点的,成不成语都可以 想知道几个带wen和ran的成语.季雯,何潇然.想要一个有上面两个名字里各有一个字的成语,比如（）wen（）ran之类的.如果没有这类成语也请说几个四个字的通顺一点的词.好的话就再追加30分. 如何教小学三年级作文 小学三年级作文怎么教? 小学三年级作文应该怎么教? 豪放派与婉约派的区别?不要你说一大堆. 指出下列括号内的句子成分 Amy (wants to see his friends some nice gifts) ___________1 Amy (wants to see his friends this sunday ) ___________2 kate looks very (sad ) today .__________3 simon always buy (his friends some nice gifts ) ______ 请高手分析句子成分I'll go on an outing with some friends. 商务英语和应用英语哪个好 应用英语好还是商务英语好RT 应用英语和商务英语哪个更好些? opening shade into sunlight Madeleine Peyroux says making this record felt good,like opening a shade into sunlight in the morning. slow down and stop at a yellow 我这样写对吗:I got a cold.I would like to take a sick leave today.我感冒,今天在家休息--求教谢谢! wishing you love and 怎么分析怎么分析它的结构?我记得是wish后面省略什么来着. 天净沙秋思中无一思字但为什么说思字贯穿全文? We don't go to work and we can have a rest during the days.根据英文写单词 曹禺是怎样在《雷雨》中构造人物与描绘心灵的? 唐山市区的经纬度是多少?