竖式减法借位标准图片
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什么叫生物种内关系及种间关系
种内关系 种间关系 区分
( )的月季花(填恰当的词)
贺兰山的地理特征
世界上共多少生物和种类
中国的哪一类生物种类在世界上排名首位?比如动物、植物、细菌、病毒等
be south of /be to the south of /be on the south of /be in the south of /be in south of/be from the south of ,都在什么情况下使用?
用一个拟人句写风
Tom( )come to the party tonight ,but I'm not sure3.Can I watch TV now,mum?No,you ( ).You( )do your homework first4.( )you ride a bike?No,I can't5.Must I return the book this morning?No,you( ).But you ( ) return it before supper.6.What ( )can I do for
形容风的拟人句
I'm not sure if I'm going to Tom's party;I may go to the concert___A.only B.instead C.early D.late请问为什么?
i am not sure if i am going to tom is birthday party.i may go to the concert (instead)?
“And Paul-why didn't I pick up that he was friendly just because I had a car?”When we look back“And Paul--why didn't I pick up that he was friendly just because I had a car?”When we look back,doubts like these can make us feel bad.But when we
When I walked past his window,he didn't stop ______(look) at me
Eric didn't even have __________ common sense to send for a doctor when his grandmother had _______Eric didn’t even have __________ common sense to send for a doctor when his grandmother had __________ heart attack.A.a; the B.the; a C./; the D.a; /
沼气肥料中N,P,K含量与作用的研究
When I noticed the puzzled look on his face, I realized that he didn't understand me句首的when为什么不能用until代替
抗倒伏的肥料是什么肥啊?N,P还是K?
N P K 化肥各有什么用
Everyone,_____me carefully(仔细地).I have something important to tell youA.listening B.listening to C.listen toIt's raining hard______.A.in B.out C.outsidestudents must wear————on school days.A.earrings B.watch C.school uniformsYou____
关于种间关系深海中的大胡子蠕虫是从生活在自己体内的细菌身上获得能量的.那么为什么不可以认为细菌和蠕虫是寄生关系?他们是互利共生吗?
不同种生物之间有什么关系
生物种间主要靠什么联系?但其中主要靠什么联系?
怎么样区分N P K 化肥?
生物因素中.表现同种生物之间关系的通常有
轻飞曼舞中的曼是什么意思记得哦 我问的是”曼”字在这个次中的意思别弄歪了啊
用轻飞曼舞、领袖、春华秋实、贮满选其中的三个词造句
轻飞曼舞的解释
呼朋引伴、花枝招展、轻飞曼舞、春华秋实、细滋慢长、摇摇欲坠造句.我给你磕头了
英语单词记忆速成法,怎么样?
这本书怎么样看过的,
When do your teachers ___ Beijing?(arrive arrive in get)哪个正确?