八年级下册英语词组表

已知2mn-m=10,n+3mn=8,求3m+2n的值?因为是应用题,所以请一步一步写, 当m=-3,n=1/2时m^2n+[2mn^2-(3m^2n-2mn^2)] 根据句意及首字母提示写单词1.Let's play s_____.2.My sister and I like p_____tennis.3.My father and mother are my p_____.I'm their d_____ 4.Tom has great sports c_____.5.O_____1st is our National Day.6.You can lean a lot about chinese h___ 根据句意及单词首字母写单词1.Dad,where do you stay when you are in Beijing?Oh,I stay in a h____.2.Num,when it's day here in China,the Americans are at n_____there,Right?3.Mr Jonhson understands Chinese,and he can speak and read Chinese.B 根据句意写单词及首字母提示写单词1.I think this movie is very b_____ 2.We want a lot of v_____and fruit.3.The teacher has a q_____to ask us 4.Sam is shutting n_____to the window 5.Jack play sport every day ,so he is every h_____ 6.Jenn 根据句意、首字母提示写单词 最好能写出这样写的原因o- 蓝藻和硝化细菌主要区别是什么,在获取能量方面 乳酸菌 蓝藻 和 硝化细菌的新陈代谢类型有个题是这样说的 从新陈代谢类型来看,乳酸菌是厌氧型.硝化细菌和蓝藻是需氧型 怎么错了?.... 有两个合数,又是互质数,他们的最小公倍数是200,这两个数是什么 已知等腰三角形一腰上的中线把三角形周长分为12厘米和15厘米求它的底边的长左边是2x,右边是平分的两个x,是求底边哦! 硝化细菌无氧呼吸的类型? 蓝藻无叶绿体却可以进行光合作用,硝化细菌无线粒体可以进行有氧呼吸,为什么如题 已知x²+kxy+16y²;是一个完全平方式,则k的值是( ) 有十支排球队比赛,用七天时间,每天每队最多打一场,怎么编排? 根据句意和首字母提示填写单词,完成句子.That is my cousin Anna.She is a good g( ). 根据句意和首字母提示,填写句子所缺的单词My mother is a m_____. She often meets her clinets and she's vey busy.2.I have a toothache. I must go to the d____ to make my teeth better.3.The all man in the blue uniform is Zhui Hui's fathe 根据句意和首字母提示填单词完成句子Our history teacher,Mr Hu is f_____,we enjoy his classes.Music is r_______.Listen to some music when you are tired.I like s_______,it's difficult,but interesting.M______ is short for mathematics.His 根据句意和首字母提示写单词完成句子.O---- l is National Day.These pants are too l------ for me.Do you have some short ones? 奥运会一场排球赛多长时间 如图14,在△ABC中,AB=AC,AD是BC边上的中线,△ABC的周长为50cm,△ABD的周长为40cm,求AD的长. 英语根据句意即首字母提示完成单词(.为填空单词）1.The baby is first front t. are just coming through2.On Friday,many students are t. after a long week of classes.这两个句子答案不一样 在三角形ABC中,AB=AC,AD⊥BC于D,且三角形ABC和三角形ABD的周长分别为50cm,40cm,则AD=还有解此类题的技巧 蓝藻细胞壁成分? 蓝藻有无细胞壁? 蓝藻细胞壁由什么构成,肽聚糖,糖和蛋白质的关系 对于蓝藻细胞壁的疑问蓝藻的细胞壁和细菌的细胞壁的化学组成类似,主要为肽聚糖细胞壁分内外两层,内层是纤维素的,少数人认为是果胶质和半纤维素的,外层是胶质衣鞘以果胶质为主,或有 已知a^m=4,a^n=5,那么a^3m-2n=? 已知a的m＋n方＝6；a的3m＋2n方＝72求：a的m－n方的值 已知a^m=2,a^n=4,求a^3m-2n 蓝藻细胞内有没有染色体?说清楚一点染色体与染色质有何不同 能在蓝藻细胞发生的过程请问有哪些.高中部分学的.这个我当然知道.那固氮方面呢? 根据句意及首字母提示写出单词,完成句子1,France is a country in E_____ while China is an Asian country.2,- would you please tell me something about a f_____ western dinner Party?-no problem.3,He opened the envelope ,u____ the letter a