七年级下册生物知识点

四个9,一个1是什么成语 四个9和1成语 填叠词AABB（ ） （ ）通通 Tom () Lucy in 2011 A marries Bmarried C married with D married to 分别位于周期表第3、4周期的主族元素A和B,它们的离子相差两个电子层.已知A元素位于元素周期表中第m驻足,B元素位于第n主族,那么：B元素原子的核内质子数为（用含n的代数式表示） ,其离子 求一首中文歌曲名字.歌词中有SO SO SO SORRY今天逛街时候无意间听到的,感觉不错,想在听下,注明下不是欢子的"原谅我一次,也不是海鸣威的.歌曲节奏比较缓慢.so so so sorry那段时男生唱的.只能提 狗为什么会拉雪橇 My twin brothers promised my parents to give up playing computer games,but ___ of them made it.A、none B、neither C、either D、both I like takeing photos in the park 对 takeing photos 提问 准备过年600字作文 家长的过年作文怎么写啊 急用谢谢了 过年的作文怎么做 sister.nine.six的i那个读音不同? sister jim right in 中的i读音哪个不同去其他三项? wish picnic is sister i的发音与其他三个不同的是 if they don't give them a t----,they can play a trick o--- them 《如果爸妈都不在了》求作文 dumplings,never,makes,my,mum.连词成句. I,how,learned,slide,to,a,make,yesterday连词成句! 关于skin foodskin food的洗面奶和护手霜都有那些把详细的效果也说下吧 谢啦 dumplings,never,makes,my,mum.连词成句,T T everyday have a goodbye kiss 中文意思是? 仿写动物拟人句怎么写 请高人简要翻译一下这篇文章.（字越少越好）“I can’t believe what I’m hearing ” I thought toJeff was the last candidate for president of Student Council. My best friend Tony came to me and said. “I’m sorry, Mike. I really 美丽的花儿为什么会凋谢? 花为什么凋谢 I love ______ (photography),and later I will show you the pictures I have taken recently. 花为什么会凋谢 he doesn't know the way to the mall同义句he dosent know ___ ___ ____ ____the mall Helen doesn't know how to deal with the bad siuation;this isAthat Bwhat Cwhere Dbecause求解释 He doesn't know the way ( ) London.A.in.B.for C.to D.on He will ( )English songs for us tomorrow.