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

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• 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
• 下列植物的繁殖方式中，属于有性生殖的是（）A．一颗葵花籽长成一株向日葵B．紫背天葵的枝条长出了新的根系C．椒草的叶片长成新植株D．马铃薯块茎发芽生根-生物
• Our bad living habits will destroy the earth.Only by changing we live can we save the earth.[ ]A. th
• 下列生物的生殖方式中，属于有性生殖的是（）A．在环境适宜时，嫁接的桃树枝条会成活B．将秋海棠的叶子放在适宜的环境中会萌发长出新植物体C．玉米种子播种到土壤中，会萌发长出新-生物
• We haven't discussed yet____ we are going to place our new furniture.[ ]A. that B. which C. wha
• 植物可通过两性生殖细胞的结合进行______生殖，还可以通过______、______等方式进行无性生殖．-生物
• If we work with a strong will,we can overcome any difficulty, great it is. [ ]A.whatB.how C.howeverD
• -You see, I'm poor in maths, you are not good at English, and…-That's ________we should he
• — Can you describe _____ it happened? — Yes, I was riding on my bike _____ a car knocked me down fro
• [2009年莆田市学业考试]我市的荔枝素以品种多、产量高、质量优而闻名，栽培的品系或单株有20多个，其中“陈紫”更是全国著名的优良品种，上世纪初，它还远涉重洋，传入美国南部-生物
• 经过两性生殖细胞的结合的生殖方式叫做______．这是生物界最常见、最重要的生殖方式．-生物
• 下列哪一项属于有性生殖（）A．椒草的叶子长成新植株B．马铃薯的块茎发芽生根C．鸟卵孵化出小鸟D．把仙人球嫁接到仙人掌上-生物
• No matter how far you may fly, never forget _____ you come from. [ ]A. whenB. howC. where D. what-高三
• 藕的节上生出的不定芽将发育成新个体，这种生殖方式属（）A．无性生殖B．有性生殖C．以上两者都是D．以上两者都不是-生物
• 下列关于有性生殖的叙述，错误的是（）A．有性生殖一般是具有两性生殖细胞结合过程B．有性生殖后代有更强的生活力C．有性生殖是由植物的根、茎、叶等器官发育成的新个体D．有性生殖-生物
• He always thinks________he can do more for the people.[ ]A．whatB．howC．of howD．of what-高三英语
• 开花植物都能进行有性生殖．______．-生物
• The last time we had great fun was_____ we were visiting the Water Park. [ ]A. howB. whenC. why D. w
• — What clothes should we wear to attend the ball?— Dress ____ you like.[ ]A. what B. however C. what
• I love the job of selling guitars. That'smy strengths meet my passions for music. [ ]A. whatB.
• 下列植物的生殖方式是有性生殖的是（）A．椒草的叶能长成新植株B．向日葵通过种子繁殖后代C．月季可用枝条来扦插繁殖D．桃可用嫁接来繁育优良品种-生物
• 有性生殖就是由______发育新个体的生殖方式．无性生殖就是不经过______的结合，由______直接产生新个体的生殖方式．-生物
• This photo of mine was taken _____ stood the famous high tower. [ ]A. which B. where C. in which D.
• 请运用所学知识回答下列问题：（1）在下列实例中，属于有性生殖的是______．①“试管婴儿”的诞生②“脱毒土豆”的培育（2）“螳螂捕蝉，黄雀在后”这句谚语隐含的一条食物链是：______．（3）-生物
• As a new diplomat, he often thinks of_____ he can react more appropriately on such occasions.[ ]A. w
• — I rang you at about nine,but there was no reply.— Oh , that was probably ________I was seeing the
• She found her calculator ______ she lost it[ ]A. where B. when C. in which D. that -高三英语
• You are saying that everyone should be equal，and this is________I disagree.[ ]A．whyB．whereC．whatD．ho
• 如图回答下列二小题：（1）a是______过程，b是______过程，从生殖的类型来看，该生殖应属于______生殖，（选填“有性”或“无性”）．（2）发育成果实的是[①]______（选填“子房”或
• 下列属于有性生殖的是（）A．胡萝卜的组织培养B．蕨类植物的孢子生殖C．克隆羊多莉的产生D．主粮水稻和小麦的生产-生物
• 下列哪项属于植物的有性生殖（）A．桃树的开花结实B．椒草的用叶生殖C．马铃薯的用块茎生殖D．植物的组织培养-生物
• 晓华在家吃完西瓜后，将西瓜子放入花坛内，一段时间后长出了西瓜幼苗．西瓜的这种生殖方式属于（）A．有性生殖B．无性生殖C．孢子生殖D．营养生殖-生物
• 种子中的______是由两性______结合成的受精卵发育而来的，这种由受精卵发育成______的生殖方式就属于有性生殖．-生物
• I'm afraid he's more of a talker than a doer,which is ______ he never finishing anything.
• Don't answer me with a simple "yes" or "no". Explain ______ possible.[ ]A.
• If you are traveling _____ the customs are really foreign to your own, please do as the Romans do.[
• -I went to see my friends off at the airport.-Is that________you were late for the important meeting
• 植物由受精卵发育成新个体的生殖方式称为______生殖．-生物
• In peace, too, the Red Cross is expected to send help _____ there is human suffering. [ ]A. whoever
• — Iprefer shuttingmyself in and listening to music all day onSundays. — That's _____ I don'
• We haven't discussed yet_____we are going to place our newfurniture.[ ]A. thatB. whichC. what D
• Cindy shut the doorheavily and burst into tears. No one in the office knew _____ she was so angry.[
• 绿色开花植物的生殖要经过（）A．开花和传粉B．传粉和受精C．开花和受精D．开花、传粉和受精-生物