-The parents try to do everything for their son.-That is________they are mistaken.[ ]A whereverB.whe

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• 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
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• 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
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• 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
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• 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
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• Our bad living habits will destroy the earth.Only by changing we live can we save the earth.[ ]A. th
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• -You see, I'm poor in maths, you are not good at English, and…-That's ________we should he
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• [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
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• 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
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• 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
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• 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