You must remember that in order to be successful, you must first explore your talents and get me kno

更多内容推荐

• “麻屋子，红帐子，里面住着个白胖子”形象的描述了花生的结构，从发育过程看，“麻屋子、白胖子”分别是由（）发育来的A．珠被、受精卵B．受精卵、受精极核C．子房壁、受精卵D．子房壁-八年级生物
• —Do you think it wise for Chinese mothers to try to do everything for their children?—No, that’s ___
• 下列植物用种子进行繁殖的一组是（）A．花生和海带B．紫菜和墙藓C．肾蕨和玉米D．菜豆和花生-生物
• Almosteveryone has his own strengths and weakness. It isothers are weak that maybe youhave a great a
• Tom was playing computer games all night.________he was late for class. [ ]A. That's becauseB.
• —Have you finished the book?—No. I’ve read up to _____the children discover the secret cave. [ ]A. w
• If you feel tired out and unable to think clearly,that is________you have to get a rest.[ ]A. whyB.
• You never know_____happiness will turn up next, so grasp every chance around you. [ ]A. whenB. where
• 有些植物如桃树、杏树在春天开花时，叶子尚未长出，开花时期植株需要的能量可能来自()A．春天植株从土壤中吸收的无机盐B．春天植株从土壤中吸收的有机物C．花瓣利用太阳能进行的-八年级生物
• Do you know _____Lily is getting on with her studies? [ ]A. how B. which C. what D. that -高三英语
• 短文改错。 Did you enjoy yourself yesterday? I suppose you did. But I'd like to tell you how a bad d
• 植物不能进行有性生殖动物才可以．______．-生物
• — Have you finished the book? — No. I've read up to _________ the children discover the secret
• His family members gave some examples of _____ his drinking and smoking had affected the family. [ ]
• It is reported in the newspaper that a man escaped from the prison last night and it was a long time
• 植物种子中的胚是由______结合成受精卵而发育来的，这种由受精卵发育成新个体的生殖方式属于______．-生物
• 我区竹镇泉水桃花岛，通过多年建设已成为了远近闻名的农业生产观光园．早期的桃树苗木是用桃种子培育而成的，实际上桃树还可以芽接或压条进行繁殖．（1）用桃的种子繁殖幼苗属于-生物
• The road is covered with snow. I can't understand ______ they insist on going by motorbike.[ ]A
• 繁殖优良品种的果树，为了保持这些品种的优良性状，在下列繁殖方法中，最好不用（）A．种子B．扦插C．压条D．嫁接-生物
• 某瓜农种的西瓜，由于管理不善，一些刚开放的花被害虫吃掉了花柱甚至子房的一部分，这种花将来的发育情况可能是()A．正常发育的西瓜B．发育为无籽西瓜C．发育为缺损西瓜D．凋落、-八年级生物
• 我们栽培玉米的生殖方式为有性生殖．______．-生物
• When you read the book, you'd better make a mark ____ you have any questions. [ ]A. at which B.
• -The parents try to do everything for their son.-That is________they are mistaken.[ ]A whereverB.whe
• Mary wrote an article on________ the team had failed to win the game.[ ]A. whyB. whatC. whoD. that-高
• The last time they had great fun was_________ they were leaving college.[ ]A. where B. how C. when D
• —Could we accomplish the task according to the schedule?—I doubt that. The problem remains _____ we
• My mother passed the driving-test at her first attempt. It was all ______ she had been practicing so
• You are saying that everyone should be equal, and this is ______ I disagree?[ ]A. whyB. whereC. what
• 图中生物的生殖现象不属于无性生殖的是（）A．秋海棠叶B．小麦种子C．果树嫁接D．组织培养-生物
• 下图是南瓜的发育过程示意图，请据图回答：（1）雄蕊的＿＿＿＿里的花粉散出后，以一定方式传送到雌蕊的柱头上，叫做传粉。传粉是受精的前提。（2）图中的[4]是由[2]中的发育来的。（3-八年级生物
• 济宁市第八届“喻屯甜瓜”节成功举行。甜瓜为一年生蔓生草本植物。甜瓜的栽培主要包括育苗、定植、田间管理等主要过程。其花的特点主要是：雄花托短，花药聚合；雌花膨大，花柱-八年级生物
• 下列植物器官中，与植物的营养无关，而与植物的生殖有关的是A．根B．茎C．叶D．花-八年级生物
• Put the books back ____ they belong after you have finished them.[ ]A. where B. to where C. to which
• — Do you think it wise for Chinese parents to try to do everything for their children? — No, that�
• The last time we had great fun was________ we were visiting the Water Park. [ ]A. whereB. how C. whe
• 下列技术属于有性生殖的是（）A．通过组织培养保持名贵花卉的优良性状B．克隆技术产生“多莉”C．嫁接繁殖无核蜜桔D．试管婴儿的培养产生-生物
• Don't answer me with a simple "yes" or "no". Explain ______ possible.[ ]A.
• _____ our eating ties in with our stress level is being studied and soon it will be clear.[ ]A. That
• 水稻的抽穗、扬花、结实过程是一个有性生殖的过程，因为在这一过程中，水稻（）A．开了花B．贮存了有机养料C．产生了精子和卵细胞D．精子和卵细胞结合成了受精卵-生物
• 下列生物的生殖现象属于有性生殖方式的是（）A．秋海棠叶B．小麦种子C．马铃薯D．水螅-生物
• 无性生殖与有性生殖的本质区别是（）A．能否由母体直接产生新个体B．能否进行细胞分裂C．是否有两性生殖细胞的结合D．有无细胞数量的增多-生物
• Unable to move because of the injury in his leg, Jack was forced to wait _____ he was, wrapped in Mi
• 进行无性生殖的植物，是不具有有性生殖能力的．______．-生物
• The world's population hit 7 billion on Monday among celebrations and concerns about_______ the
• 受精卵是植物个体发育的起点．______．-生物
• You'd better begin the preparations now and the most important thing is to check ______ the lab
• The old lady's hand shook frequently. She explained to her doctor _______this shaking had began
• -Do you think it wise for Chinese mothers to try to do everything for their children?-No，that's
• 岭南佳果荔枝要结出荔枝，必须要经过开花、传粉、______、形成______和种子的过程，这种生殖方式属于______生殖．-生物
• 植物的许多器官都能繁殖后代，用下列器官繁殖属于有性生殖的是（）A．叶B．根C．茎D．种子-生物